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Hammar, Linn, and Mårtenson Emma Ryberg. "Radhus på höjden : Ägarlägenheter- en ny ägandeform på bostadsmarknaden." Thesis, Örebro University, School of Law, Psychology and Social Work, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-7390.
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Denna uppsats syftar till att undersöka den nya bostadsformen ägarlägenhet och de befintliga ägandeformerna bostadsrätt och småhus. En komparation har gjorts mellan dessa tre ägandeformer gällande juridiska och ekonomiska frågor. Våra nordiska grannländers ägarlägenheter har också undersökts.
Ägarlägenheten är enligt lagstiftaren ett "radhus på höjden", det vill säga en lägenhet i ett flerbostadshus som betraktas så som ett småhus. För att undersöka ägarlägenheten har den rättsvetenskapliga metoden använts. Litteratur inom området har behandlats med propositionen till lagändringarna gällande ägarlägenhet (2008/09:91) som främsta grund.
Skillnaderna mellan bostadsrätten, småhuset och ägarlägenheten varierar beroende på sakfråga. De största variationerna är att bostadsrättsägaren endast innehar en del i föreningen med nyttjanderätt till sin lägenhet som är lös egendom enligt köplagen (1990:931). Småhuset och ägarlägenheten är fast egendom och faller under jordabalkens (1970:994) regler. i en bostadsrätt måste föreningen godkänna in- och utträde av medlemmar vid överlåtelse, för småhusägaren tillika ägarlägenhetsägaren krävs det inget godkännande. Andrahandsuthyrning är fritt för småhus- eller ägarlägenhetsägaren medan det krävs godkännande från bostadsrättsföreningen vid bostadsrättsinnehav.
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Hjertstrand, Brensén Carl. "Redovisning av tre bostadsprojekt: Radhus vid Ängbyplan; Studentbostäder i Sollentuna; Bostäder på Årstafältet." Thesis, KTH, Arkitektur, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-145418.
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Redovisning av 3 bostadsprojekt: Radhus vid Ängbyplan; Studentbostäder i Sollentuna; Bostäder på Årstafältet. Presentation av 3 skilda projekt med det gemensamma att de är byggnader för boende. Oberoende på vilket sätt projekten tillkommit eller vem som är beställare, hur platsen ser ut med dess fysiska förutsättningar finns det ofta något eller några arkitektoniskt teman som går att känna igen. Det finns vissa likheter i projekten som redovisas. Tillexempel bostädernas möjligheter till genomgående siktlinjer och möjlighet till ljusinsläpp från olika riktningar.0Expression of three housing projects: Townhouse at Ängbyplan; Student accommodation in Sollentuna; Housing on Årstafältet. Presentation of 3 different projects with the mutually that they are buildings for accommodation. Regardless how the projects occurred or who the client are, how the site looks with its physical conditions, there is often one or several architectural themes that are recognizable. There are some similarities in the projects presented. For example, dwellings opportunities through sight lines and the possibility of natural light from different directions.
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Rydholm, Marcus, and Rasmus Lowenfalk. "Banviksbrottet - Parkeringshus i kombination med radhus : En hållbar lösning till parkeringsbrist?" Thesis, Linnéuniversitetet, Institutionen för byggteknik (BY), 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-43957.
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Denna rapport innehåller ett utformningsförslag med illustrationer, beskrivande textoch ritningar på hur parkeringsbristen kan lösas i stadsdelen Gamlestan i Lysekilkommun med hjälp av ett parkeringshus i kombination med radhus ovanpå. Hänsyntas till val av byggmaterial, möjlig konstruktionslösning, PBL, BBR, brandsäkerhet,dagvattenhantering, och ekonomi.This report contains a design proposal of how to solve the lack of parking spaces inthe district Gamlestan in Lysekil kommun with a multistory car park in combinationwith terraced houses on top. The proposal is presented through illustrations,describing text and blueprints. Choice of building materials, possible constructionsolution, PBL, BBR, fire safety, stormwater management and economy is taken inconsideration.
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Norén, Ylva. "Byggtekniska brister i ett radhusområde Förslag på lösningar vid ombyggnad." Thesis, KTH, Byggnadsteknik, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-34839.
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Norenstedt, Tobias. "Långholmenmarinstad." Thesis, KTH, Arkitektur, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-125345.
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Sight: Långholmen, Stockhomen ”Långholmensmarinstad” består av tre delar. En båtuppställningslada ett bostadsområde och en restaurang. Båtuppställningsladan har även en dubbel funktion som teater under sommar halvåret då Stockholmstads Parkteater får en fast spelplats och båtarna ligger i vattnet. Restarangen ligger i anslutning till båt huset och har en stor glas vägg som öppnar sig in mot Båtarna/teatern som skapar ett tydligt marint tema. Bostadsområdet består av nio stycken radhus som vilar mot den befintliga Q-märkta fängelsemuren likt små japanskavillor med ljusgård. Det centralt placerade bostadshuset med sina fem våningar är lika högt som de gamla fängelsebyggnaderna. En lugn lummig innergård skapas emellan radhus och bostadshuset. Den lokala segel skolan får även husera i den nedre våningen av bostadshuset.Sight: Långholmen, Stockhomen ”Långholmensmarinstad” consists of three parts. These are a large boathouse housing complex and a restaurant. The boathouse also has a double function as theatre space during the summer months when the Stockholm Parkteatern needs its seasonal venue. The restaurant is in direct adjacent to the Boathouse/theatre with a large glass wall which gives the restaurant a natural marina vibe. The housing complex consists of nine townhouses adjacent to the old heritage labelled prison wall, with small Japanese courtyards and one housing block. The housing block rises five story’s and has the same metric height as the surrounding historical prison buildings. This creates a green peaceful inner courtyard in-between the townhouses and the housing block. The locale yachting club is given a natural haven in the ground floor space in the housing block.
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Borg, Josefin. "56 ljusa nätter : Bostäder anpassade till polarområdet." Thesis, KTH, Skolan för arkitektur och samhällsbyggnad (ABE), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-228488.
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Ovan polcirkeln har klimatet en annan cykel än på sydligare breddgrader. Somrarna är korta, mycket ljusa och fyllda av mänsklig aktivitet. Vintrarna är långa och präglas av mörker. Säsongernas skiftningar är starka och fulla av kontraster. Här återfinns också det norra polarområdets alldeles speciella attribut: norrsken, midnattssol och polarnatt. Det är detta som skapar en stark dragning till norr; de drastiska årstidsväxlingarna, naturfenomenen, en gemensam kulturell referens. Det nordliga livet präglar invånarna både socialt och kulturellt. Därför är det märkligt att den samtida bostaden, på många sätt centrum i vår tillvaro, inte präglas mer av förutsättningarna. Som att det bostadshus som ritas i Stockholm skulle kunna fungera precis lika bra i Kiruna, över 120 mil norrut? Det är trots allt så arkitekturen behandlas idag. I en värld av höga krav på effektivitet och ekonomisk försvarbarhet är det viktigt att inte glömma människans välmående i de miljöer vi skapar. Det är i byggnaden, trädgården och vägen som leder dit som människan finner sitt hem. Detta är ett projekt om nordligt belägna bostäder och om de förutsättningar och möjligheter en sådan plats ger. Jag har valt den svenska gruvstaden Kiruna som plats för mitt projekt och har skapat ett kluster av byggnader att leva i och omkring. Husens relation till varandra, mellanrummen, är en lika viktig del som insidan.
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Olsson, Simon, and Mattias Blom. "Jämförelse mellan radhus med trä- eller betongstomme : Ekonomiska och tidsmässiga skillnader för prefabricerad trästomme, prefabricerad betongstomme och platsbyggd träregelstomme." Thesis, Karlstads universitet, Fakulteten för hälsa, natur- och teknikvetenskap (from 2013), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-68973.
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Målet med denna studie är att jämföra kostnads- och tidsskillnader mellan fyra olika väggkonstruktioner. De olika väggkonstruktioner som jämförts är en platsbyggd trävägg, prefabricerad betongvägg, prefabricerad sandwichvägg (vidare benämnd som prefabricerad betongvägg SW) samt en prefabricerad KL-vägg. KL står då för korslimmat trä. Dessa fyra olika väggar har konstruerats för att vara likvärdiga sett ur ett energiperspektiv för att kunna göra en rättvis jämförelse. Väggarnas U-värden valdes för att indikera hur likvärdiga de är. Även fuktsäkerheten har bedömts för de olika konstruktionerna. Den frågeställning som ställts är, vilken av de tre olika prefabricerade väggstommarna får lägst totalkostnad för uppförandet av väggkonstruktionen, sett till byggtid och materialkostnad? Samt hur förhåller sig totalkostnaden och byggtid för den platsbyggda träregelväggen mot totalkostnaden och byggtid för de prefabricerade väggarna? För att besvara dessa frågor har kostnads- och tidsberäkning utförts för samtliga väggkonstruktioner. Detta har gjorts genom att jämföra de olika väggarnas byggkostnad och byggtid skikt för skikt, samt den totala byggtiden och byggkostnaden för varje enskild vägg per kvadratmeter. Indata har hämtats från Wilkells sektionsfakta® samt kontakt med sakkunniga inom branschen. Resultatet visar att den prefabricerade betongväggen SW har den lägsta totala byggtiden på 241 arbetstimmar och en total byggkostnad på drygt 570 000 kr och är därmed den prefabricerade vägg som har kortast totala byggtid samt total byggkostnad. Detta samtidigt som den platsbyggda träväggen har en total byggtid på 484 arbetstimmar samt en total byggkostnad på drygt 435 000 kr. Utifrån resultatet för de olika väggkonstruktionerna valdes att fokusera på den prefabricerade betongväggen SW samt den platsbyggda träväggen. I jämförelsen mellan dessa två väggkonstruktioner är det den totala byggkostnaden samt den totala byggtiden som blir avgörande. Den totala byggtiden för den prefabricerade betongväggen SW är ungefär 50 % av den totala byggtiden för den platsbyggda träväggen. Detta samtidigt som den totala byggkostnaden för den prefabricerade betongväggen SW är 31 % högre än för den platsbyggda träväggen. Slutsatsen som drogs var att utifrån den frågeställning som ställts så är den prefabricerade betongväggen SW den väggkonstruktion som anses vara mest fördelaktig då byggtidsreduktionen anses vara försvarbar mot den extra byggkostnad som tillkommer jämfört med den platsbyggda träväggen. Ur en hållbarhetsaspekt kan möjligtvis den prefabricerade betongväggen SW väljas bort då den miljömässiga fördel som den platsbyggda träväggen erbjuder väger upp för skillnaden i byggtid mellan den prefabricerade betongväggen SW och den platsbyggda träväggen. Detta skulle innebära att den platsbyggda träväggen är mest fördelaktiga sett utifrån total byggtid och total byggkostnad.The aim of this study is to compare cost and time differences between four different designed wall constructions. The different wall constructions that are compared are a site-built wooden wall, a prefabricated concrete wall, a prefabricated sandwich wall (further referred to as prefabricated concrete wall SW) and a prefabricated CLT (Cross Laminated Timber) wall. These four different walls have been designed to be equivalent from an energy perspective in order to make a fair comparison. The U-values of the walls were selected to indicate how equal they are. Moisture safety has also been assessed for the various constructions. The question posed is, which of the three different prefabricated wall frames get the lowest total cost for the construction of the wall structure, based on construction time and material costs? And how does the total cost and construction time of the site-based timber wall compare to the total cost and construction time of the prefabricated walls? To answer these questions, cost and time calculations have been made for all wall constructions. This has been done by comparing the building cost of the different walls and the building times layer by layer, as well as the total construction time and construction cost for each individual wall per square meter. Input has been retrieved from Wilkells sektionsfakta® and from contact with experts in the industry. The result shows that the prefabricated concrete wall SW has the lowest total construction time of 241 working hours and a total construction cost of just over 570,000 SEK, making it the prefabricated wall with the shortest total construction time and total construction cost. This at the same time as the site-built wooden wall has a total construction time of 484 hours and a total construction cost of just over 435,000 SEK. Based on the results of the different wall constructions, it was chosen to focus on the prefabricated concrete wall SW and the site-built wooden wall, as these two proved to be most relevant from the study's questions. In the comparison between these two wall constructions, it is the total construction cost and the total construction time that become decisive. The total construction time of the prefabricated concrete wall SW is approximately 50% of the total construction time of the site-built wooden wall. This at the same time as the total construction cost of the prefabricated concrete wall SW is 31% higher than for the site-built wooden wall. The conclusion drawn was that, based on the questions posed, the prefabricated concrete wall SW is the wall structure that is considered the most advantageous as the construction time reduction is considered to be justified by the additional building cost that is added compared with the site-built wooden wall. From a sustainability aspect, the prefabricated concrete wall SW may not be chosen as the environmental benefit offered by the site-based wooden wall outweighs the difference in construction time between the prefabricated concrete wall SW and the site-built wooden wall. This would mean that the site-based wooden wall is the most advantageous based on total construction time and total construction cost.
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Åhlander, Cevallos Viktor, and Henrik Åström. "Individual metering and charging of heat and hot water in row house areas - Comparing study of two row house areas in Stockholm." Thesis, KTH, Fastigheter och byggande, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-146608.
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In today’s society our residents and premises consume 38 % of the total energy use in Sweden. 2011 that number corresponded to 77,8 TWh/year. Governments and the public’s strive to lower the energy use and the European Union’s goal that all member countries should lower their energy consumption with 20 % until year 2020 creates incentives to renovations and energy efficiency measures. A possible measure that could lead to reduced energy consumption for rental apartments and smaller residences like row-houses is to install individual metering. Individual metering is a method to measure how much energy is consumed in residences. Devices are installed in homes and can measure the water and heat consumption and let the residence pay for what is actually used. In this report the consumption and the costs for heat and warm water and the attitude to individual metering between two row-house areas is investigated. Both areas are located in Stockholm, in Huddinge and Farsta, where one of the areas has installed individual metering. Our study shows difference of the consumption and costs between the two areas. The installation of individual metering has result in a higher awareness for the people living in that area which has led to a reduced consumption and cost. The attitude for individual metering is positive in both areas and unchanged after the installation of individual metering.I dagens samhälle förbrukar våra bostäder och lokaler ca 38 % av den totala energianvändningen i Sverige. 2011 motsvarade den siffran 77,8 TWh/år. Myndigheter och allmänhetens strävan att minska energiförbrukningen och EU:s målsättning att alla medlemsländer ska sänka sin energikonsumtion med 20 % fram till år 2020 skapar incitament för renoveringar och energieffektiviseringsåtgärder. En möjlig åtgärd för hyreslägenheter och mindre boenden som radhusområden är införandet av individuell mätning. Individuell mätning är en metod för att mäta energiförbrukningen i bostäder. Mätare installeras i hemmen och kan mäta vatten och värme och låter de boende betala för det de faktiskt konsumerar. I rapporten undersöks förbrukningen och kostnaderna för värme och varmvatten samt hur de boendes inställning är till individuell mätning mellan två radhusområden. Båda är belägna i Stockholm, i Huddinge respektive Farsta, där ett av områdena har infört individuell mätning. Studien visar skillnader på förbrukningen och kostnaderna mellan områdena jämfört med det andra området). Införandet av individuell mätning har medfört att de boende i området fått en högre medvetenhet vilket lett till en minskad förbrukning och kostnad. Inställningen och attityden till individuell mätning är lika positiv i båda områdena och attityden är oförändrad efter införandet i det området.
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Kinde, Mathilda. "Bo och Bruka." Thesis, KTH, Arkitektur, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-289603.
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Ett bostadsområde i Gustavsberg med utgångspunkt ur tre aspekter; historia, hållbarhet och gemenskap, som svarar mot frågeställningen: Hur kan livsmedelsproduktion vara den styrande delen i bostadsplanering och hur kan det bidra till tillhörighet och gemenskap?Projektet har stark anknytning till Gustavsbergs historia och arkitektur, vilket speglas i bostadsområdet utformning stil och skala. Målet har varit att skapa ett bostadsområde som ger möjlighet för självförsörjning samt egeninflytande från de boende. Området är placerat kring ett gemensamt jordbruksområde som förvaltas av de boende utifrån deras egna preferenser och behov. Området och bostäderna är planerade utifrån olika social aspekter och några av permakulturens principer. Bostadsområdet kan närmast beskrivas som en Ekoby.Housing area in Gustavsberg (Värmdö), based on three aspekts, sustainability, history and community, and respond to the thesis question; How can agriculture/ food production be the governing aspekt in planing of housing, to create conditions for the feeling of belonging and community? The project are connected to the history and architecture of Gustavsberg, witch is reflected in the design, scale and type of the area. The goal has been to create a housing area witch enable self-sufficiency and influence for the residents. The houses are placed around a common farming area, to be developed and and managed by the residents, based on their own preferences and needs. The area are planed based on social aspects of community living and princips of permaculture. The area can closest be described as an eco-village.
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Ebersson, Alexander. "Projektering av grupphusområde : VA-installationer och röranläggning." Thesis, Högskolan i Borås, Akademin för textil, teknik och ekonomi, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-25517.
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Rapporten visar hur projekteringen av VA-installationer och röranläggningen utfördes för ett grupphusområde som planerades. Värmebehovsberäkningar för byggnaderna utfördes, uppbyggnaden av röranläggningen upprättades på ritningar samt dimensionerades enligt i branschen gällande regler och praxis. Projekteringen utfördes med datorprogram samt branschlitteratur och resulterade i fyra situationsplaner över grupphusområdet i skala 1:200 samt ett flödesschema.This report shows how the projection of water- and sewage installations and piping installations were done for a group house area being planned. Heat demand calculations for the buildings were performed, plans over the piping installation was established and dimensioned in accordance with industry rules and practices. The projection was done with computer programs and industry literature and resulted in four site layout plans over the grouphouse area in scale 1:200 and a flow chart.
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Forsberg, Ellen. "Koppla Samman - Ett kritiskt stadsplaneringsprojekt i en tid av förtätning." Thesis, KTH, Arkitektur, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-277819.
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Examensarbetet undersöker gränslandet och mellanrummet mellan två stadsdelar i Flemingsberg i Huddinge kommun, söder om centrala Stockholm. Den första stadsdelen är Visättra, ett befintligt miljonprogramsområde, och den andra är den planerade Flemingsbergsdalen. Flemingsbergsdalen är en stadsdel som idag endast finns i form av ett planprogram, gjort av Huddinge kommun. Det här examensarbetet föreslår en alternativ utformning av mellanrummet, som i större grad respekterar de sociala och fysiska förutsättningarna i området. Genom att titta på generella strukturer i staden, olika byggnadstypologier och specifika platser i landskapet, har ett stadsplaneringsförslag gestaltats. Projektet ger förslag på ett nytt sätt att se på begreppet ”blandad stad”, och föreslår en stadsplan med variationer av olika fysiska stadsrum. Frågeställningar kring svåra topografiska förhållanden och upplevd trygghet har varit centrala för arbetet. Förslaget kretsar också till stor del kring hur tre nya byggnadstypologier kan införas i området: terrängöverskridande lameller, punkthus i naturen och radhus i mindre skala.The thesis project examines the border between two neighborhoods in Flemingsberg in Huddinge municipality, south of central Stockholm. The first neighborhood is Visättra, a mass-produced housing area from the Million Programme Era in the 1960s and 70s, and the second one is the planned area of Flemingsbergsdalen. Flemingsbergsdalen is an area today only existing as a planned program done by Huddinge Municipality. This thesis project proposes an alternative urban design, which pays higher respect to the physical and social circumstances of the area. By looking at general urban structures, different building typologies and specific sites in the landscape, a city plan proposal has been designed. The project gives a different proposal of how to talk about ’the mixed city’ and suggests a city plan with variations of urban spaces. Questions about how to design in steep terrain and how to increase the perceived safety are answered. Furthermore, the proposal explains how three new building typologies can be added in the area: terrain-crossing lamellas, tower blocks in nature and row houses in a smaller scale.
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Vestergaard, Henrik, and Sebastian Sundlöf. "Förtäta för området : Förslag på förtätning i ett miljonprogramsområde." Thesis, KTH, Byggteknik och design, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-232135.
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In Stockholm today, there is a shortage in housing and one way to supply the market with new housing is through densification. This degree project investigates the possibility to improve an existing courtyard and surrounding through densification. By visiting six different courtyards a greater understanding of what factors that makes up a good courtyard was obtained. The doctoral thesis Uncommon ground written by Eva Minoura set the base for the deeper understanding of the structure of courtyards and what creates ownership within them. Based on the research a specification of requirements was developed describing how to carry out a socially sustainable densification. By locating areas with low ownership and build there, territorial boundaries can be changed. Densification with minimal effect economically and ethically on the neighborhood enables the current qualities and living to be kept and the densification is positive for the area. The importance of clear territorial ownership and respectful densification led the way for this suggestion of building densification. The purpose with the project is to highlight a densification which reshapes an existing territorial misuse. Thereby increasing the value, not only for the separate home, but the value of the area. The question is what values to follow and how to implement a densification according to them. The result is illustrated through drawings of a densification in Bärkinge, an area in the Stockholm suburb Tensta. The proposal is attached to the rapport. The proposal is a townhouse with four separate homes each 208 !". Its placement, corner to corner with existing development changes the territorial misuse by enclosing the previously open courtyard. The proposal is changeable homes, adaptable over the years. The entry level is flexible in the sense that it can be altered without large affection to the house. Each home stretches over three floors where the upper floors two and three are constructed in a typical Swedish family home layout with bedrooms on top and living and kitchen underneath. The project presents four alternative plans, one for the large family, one for multiple living, one with extra accessibility and the last with space for home office. The project is a suggestion of a building in a Swedish million dwelling area using ground territorial misused ground and making a new attractive area using studied preconditions for densification.
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Stockman, Bo. "Fem projekt och deras processer." Thesis, KTH, Arkitektur, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-121152.
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Fem projekt och deras processer Projekten är ett urval av vad jag ritat under 15 år som praktiserande arkitekt. Avsikten är att belysa en del frågeställningar: Vad har varit de styrande faktorerna? Vad och vilka styr? Vilka var projektens bärande idéer? Projekt: - Ungdomens hus i Rinkeby. Nybyggnad. - Södertälje tingshus. Om-och tillbyggnad. - Radhus i Kv Kippinge, Hjulsta. Nybyggnad. - Rival, Mariatorget, Stockholm. Hotell, biograf och konferens. Om-och tillbyggnad. - Fritidshus på Skäret, Höganäs. Nybyggnad.Five projects and their development processes The projects are a sampling of what I have designed over 15 years as a practicing architect. The intention is to highlight some questions: What has been the controlling factors? What and whom control? What were the projects supporting ideas? Projects: - Youth House (Ungdomens hus) in Rinkeby. New Construction. - Sodertalje courthouse. Reconstruction and extension. - Rowhouses in Hjulsta, Kv Kippinge. New Construction. - Rival, Stockholm. Hotels, cinema and conference. Reconstruction and extension. - Summerhouse in Höganäs. New Construction.
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Roelke, Jean Marie. "Radius." Thesis, University of North Texas, 2003. https://digital.library.unt.edu/ark:/67531/metadc4184/.
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Akatvipat, Areerath [Verfasser]. "Radius-Ulna Fracture and Post-Traumatic Radius-Ulna Synostosis in Dogs / Areerath Akatvipat." Berlin : Freie Universität Berlin, 2013. http://d-nb.info/1043687572/34.
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Huang, Peng. "Spectral radius and signless Laplacian spectral radius of k-connected graphs /Huang Peng." HKBU Institutional Repository, 2016. https://repository.hkbu.edu.hk/etd_oa/373.
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The adjacency matrix of a graph is a (0, 1)-matrix indexed by the vertex set of the graph. And the signless Laplacian matrix of a graph is the sum of its adjacency matrix and its diagonal matrix of vertex degrees. The eigenvalues and the signless Laplacian eigenvalues of a graph are the eigenvalues of the adjacency matrix and the signless Laplacian matrix, respectively. These two matrices of a graph have been studied for several decades since they have been applied to many research field, such as computer science, communication network, information science and so on. In this thesis, we study k-connected graphs and focus on their spectral radius and signless Laplacian spectral radius. Firstly, we determine the graphs with maximum spectral radius among all k-connected graphs of fixed order with given diameter. As we know, when a graph is regular, its spectral radius and signless Laplacian spectral radius can easily be found. We obtain an upper bound on the signless Laplacian spectral radius of k-connected irregular graphs. Finally, we give some other results mainly related to the signless Laplacian matrix.
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Nelson, McKenzie Louise. "Predictions of Radius Bending Strength by Radius Stiffness, Mineral, and Ulna Mechanical Properties." Ohio University Art and Sciences Honors Theses / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=ouashonors1492615282195033.
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Tchoumou, Jean-Thierry. "Traitement des fractures à bascule postérieure de l'extrémité inférieure du radius selon les méthodes d'embrochage percutané : à propos de 47 cas chez la personne de 50 ans et plus." Montpellier 1, 1999. http://www.theses.fr/1999MON11048.
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Albanus, Julie C. "An Analysis of Stability Margins for Continuous Systems." Thesis, Virginia Tech, 1999. http://hdl.handle.net/10919/33516.
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When designing or reviewing control systems, it is important to understand the limitations of the system's design. Many systems today are designed using numerical methods. Although the numerical model may be controllable, stabilizable, or stable, small perturbations of the system parameters can result in the loss of these properties. In this thesis, we investigate these issues for finite element approximations of a thermal convection loop.Master of Science
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Singh, Prashant. "MATHEMATICAL DESIGN OF THE VOLAR SURFACE OF THE RADIUS." University of Akron / OhioLINK, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=akron1154719475.
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Scheer, Johan. "Periulnar Injuries Associated with Distal Radius Fractures." Doctoral thesis, Linköpings universitet, Ortopedi och idrottsmedicin, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-67998.
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Residual dysfunction after a fracture of the distal radius is most often mild but may give rise to significant impairment especially in the younger active population. The symptoms often manifest around the distal ulna when loading the hand or rotating the forearm. In this region are found articular and soft tissue connections running from the distal ulna to the distal radius as well as to the ulnar side of the carpus. The aims of this thesis were to investigate the effects of distal radius fractures on the structures about the distal ulna and to what extent malunion and ulnar soft tissue lesions affect function. Both patients and cadaver specimens were used in the five different studies. In a retrospective study of 17 malunited distal radius fractures supination impairment improved significantly by correction of the skeletal malunion. This highlights the importance of distal radioulnar joint congruity for forearm rotation in a subset of cases. The pathomechanisms of injury to the triangular fibrocartilage complex (TFCC) were studied. In a cadaveric distal radius fracture model different restraining properties and injury patterns were investigated. Similar patterns of injury were then observed in 20 patients with a displaced distal radius fracture. It was found that a TFCC injury can be expected with dorsal displacement of the distal radius fragment of 32o or more from the anatomically correct position. The distribution of a TFCC injury apparently differs depending on the size of an associated ulnar styloid fracture. In cases of an intact ulnar styloid or a concomitant tip fracture (Type 1) the first stage of injury seems to be extensor carpi ulnaris subsheath separation from the distal ulna and the dorsal radioulnar ligament. Thereafter follows a disruption of the deep insertions into the fovea of the ulna starting from the palmar and extending dorsally and radially. An extensive injury can be detected with a novel non-invasive test called the ‘bald ulnar head test’, which is performed under anaesthesia. Diagnosis of an acute TFCC injury is difficult using non-invasive methods. In a prospective study of 48 patients, CT scanning to detect pathologic subluxation was found to be of little use in both acute and chronic cases, and is therefore not endorsed on this indication. A radioulnar stress test, which in previous studies has correlated well to a deep TFCC injury, was found to be highly reliable but not to correspond with significant disability in self-administered questionnaires of functional outcome two years or more after injury. This indicates that the subset of patients possibly benefiting from acute repair must be identified by other means.
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Duda, Kevin R. 1979. "Squat exercise biomechanics during short-radius centrifugation." Thesis, Massachusetts Institute of Technology, 2007. http://hdl.handle.net/1721.1/38525.
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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 2007.This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.
Vita.
Includes bibliographical references (p. 178-187).
Artificial gravity (AG) created by short-radius centrifugation is a promising countermeasure to the physiological de-conditioning that results from long-duration spaceflight. However, as on Earth, gravity alone does not ensure fitness. We will need to supplement passive exposure to AG with physical exercise to achieve a comprehensive countermeasure. Before AG exercise can be deemed safe and effective, we must understand how Coriolis accelerations and a gravity gradient affect our biomechanics and how centrifuge-based exercises differ from Earth-upright ones. Two experiments were designed to investigate the squat biomechanics while upright in the laboratory and while lying supine on a horizontal, clockwise-rotating short-radius centrifuge at speeds up to 30 revolutions per minute. Constant force springs provided additional resistive force up to 25% of body weight. Dependent measure included the three-dimensional position of the left and right knee, left and right foot reaction forces, and muscle activity. We investigated the Coriolis-induced mediolateral knee perturbations and the sensory-motor after-effects from a multiple repetition protocol. The upright and centrifuge biomechanics were compared for similarities and differences between them. In addition, a two-dimensional kinematic model was developed to predict foot reaction forces, Coriolis accelerations, and joint torques.
(cont.) Our results show that mediolateral knee travel during the AG squats was 1.0 to 2.0 centimeters greater than Earth-upright squats. Increasing the rotation rate or adding resistive force did not affect the results. The peak foot forces increased with rotation rate, but rarely exceeded 200% body weight. The ratio of left-to-right foot force during centrifugation was non-constant and approximately sinusoidal, suggesting a postural correction for the Coriolis accelerations. There was a qualitative difference in the foot force vs. knee angle profile between upright and centrifuge-supine because of the centripetal acceleration. Muscle activity, however, was qualitatively similar between the conditions. The kinematic model was used to evaluate the exercise safety and extend the results to larger-radius centrifuges. We conclude that centrifugation provides a unique and challenging environment for exercise and that a brief artificial gravity squat can be carried out safely. The results are extended to cycle ergometry, when possible, and recommendations are made for future AG squat protocols. Supported by NASA Grant NNJ04HD64G and the MIT-Italy Program Progetto Roberto Rocca.
by Kevin Ronald Duda.
Ph.D.
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Biyikoglu, Türker, and Josef Leydold. "Semiregular Trees with Minimal Laplacian Spectral Radius." Department of Statistics and Mathematics, WU Vienna University of Economics and Business, 2009. http://epub.wu.ac.at/986/1/document.pdf.
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A semiregular tree is a tree where all non-pendant vertices have the same degree. Among all semiregular trees with fixed order and degree, a graph with minimal (adjacency / Laplacian) spectral radius is a caterpillar. Counter examples show that the result cannot be generalized to the class of trees with a given (non-constant) degree sequence.Series: Research Report Series / Department of Statistics and Mathematics
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Roberts, James. "Theoretical study of small-radius carbon nanotubes." Thesis, Imperial College London, 2006. http://hdl.handle.net/10044/1/1274.
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carbon nanotubes. The energy band structure of a carbon nanotube may ordinarily be obtained by “zone-folding” the nearest neighbour tight-binding approximation of a flat graphite sheet. Due to the large curvature of a small-radius tube, however, this procedure fails to accurately predict the metallic character of any zigzag nanotube whose diameter is less than 5˚A. To this end, a third-nearest neighbour tight-binding approximation sensitive to the curvature of the tube is presented and an analytic expression for the energy bands is derived valid for all carbon nanotubes. Electron-electron interactions in small-radius zigzag carbon nanotubes are then considered by including a weak on-site Hubbard term in the tight-binding Hamilton operator. At half-filling, the system is mapped onto a set of three one-dimensional chains with alternating hopping coefficients and the low-energy physics are studied. A controlled renormalization-group analysis shows that the system flows to a strong-coupling fixed point where 1 charge mode and 2 spin modes are gapped. This fixed point also exists in the two-chain Hubbard ladder and superconducting fluctuations have previously been found to be dominant. These results support previous experimental evidence of intrinsic superconductivity in a 4˚A-diameter nanotube and suggest that both the (5, 0) and the larger (6, 0) nanotubes should be superconducting.
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Mertz, Andrew Eugene. "ON THE PROPERTIES AND COMPLEXITY OF MULTICOVERING RADII." UKnowledge, 2005. http://uknowledge.uky.edu/gradschool_diss/328.
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People rely on the ability to transmit information over channels of communication that aresubject to noise and interference. This makes the ability to detect and recover from errorsextremely important. Coding theory addresses this need for reliability. A fundamentalquestion of coding theory is whether and how we can correct the errors in a message thathas been subjected to interference. One answer comes from structures known as errorcorrecting codes.A well studied parameter associated with a code is its covering radius. The coveringradius of a code is the smallest radius such that every vector in the Hamming space of thecode is contained in a ball of that radius centered around some codeword. Covering radiusrelates to an important decoding strategy known as nearest neighbor decoding.The multicovering radius is a generalization of the covering radius that was proposed byKlapper [11] in the course of studying stream ciphers. In this work we develop techniques forfinding the multicovering radius of specific codes. In particular, we study the even weightcode, the 2-error correcting BCH code, and linear codes with covering radius one.We also study questions involving the complexity of finding the multicovering radius ofcodes. We show: Lower bounding the m-covering radius of an arbitrary binary code is NPcompletewhen m is polynomial in the length of the code. Lower bounding the m-coveringradius of a linear code is Σp2-complete when m is polynomial in the length of the code. IfP is not equal to NP, then the m-covering radius of an arbitrary binary code cannot beapproximated within a constant factor or within a factor nϵ, where n is the length of thecode and ϵ andlt; 1, in polynomial time. Note that the case when m = 1 was also previouslyunknown. If NP is not equal to Σp2, then the m-covering radius of a linear code cannot beapproximated within a constant factor or within a factor nϵ, where n is the length of thecode and ϵ andlt; 1, in polynomial time.
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Walter, David Porter III. "Efficient fixed-radius near neighbors for machine learning." Thesis, Massachusetts Institute of Technology, 2019. https://hdl.handle.net/1721.1/123119.
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This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.Thesis: M. Eng., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, 2019
Cataloged from student-submitted PDF version of thesis.
Includes bibliographical references (pages 61-63).
Deep learning has enabled artificial intelligence systems to move away from manual feature engineering and toward feature learning and better performance. Convolutional neural networks (CNNs) have especially demonstrated super-human performance in many vision tasks. One big reason for the success of CNNs is due to the use of parallelizable software and hardware to run these models, making their use computationally practical. This work is focused in the design and implementation of an efficient and parallel fixed-radius near neighbors program (FRNN). FRNN is a core component in a new type of machine learning model, object oriented deep learning (OODL), serving as a replacement for CNNs with goals of invariance, equivariance, interpretability, and computational efficiency that improve upon the abilities of CNNs. This efficient implementation of FRNN is a critical step in making OODL computationally efficient and practical.
by David Porter Walter, III.
M. Eng.
M.Eng. Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science
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Collard-Meynaud, Patricia. "Etude des déformations angulaires expérimentales du radius chez l'agneau." Toulouse 3, 2001. http://www.theses.fr/2001TOU30148.
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ANTOUN, PIERRE. "Fractures de la tete radiale chez l'adulte : a propos de 40 cas." Angers, 1988. http://www.theses.fr/1988ANGE1047.
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KARROUM, TOUFIC. "Thrombopenie amegaryocytaire avec aplasie radiale (syndrome de t. A. R. ) : a propos de deux observations." Toulouse 3, 1994. http://www.theses.fr/1994TOU31113.
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Hacini, Sohria. "Le Traitement palliatif de la paralysie radiale : analyse comparative des résultats de 14 cas opérés." Montpellier 1, 1999. http://www.theses.fr/1999MON11101.
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Menychtas, Charalampos. "Netted LPI radars." Thesis, Monterey, California. Naval Postgraduate School, 2011. http://hdl.handle.net/10945/5601.
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Approved for public release; distribution is unlimited.A significant number of Low Probability of Intercept (LPI) radars are used in various military applications, from guided weapons (such anti-ship missile), to large platforms (aircrafts, ships), to large systems (Integrated Air Defense Systems - IADS). The purpose of this thesis is to evaluate the performance of netted LPI radar systems. To do so, it commences with establishing the theoretical background for the LPI radar techniques and detection methods. Additionally, it presents existing LPI assets along with their operational characteristics to provide the reader with a useful tool for comparative analysis of the LPI radar market. As this work focuses on LPI radar networks, specific emphasis is given to clarifying the notion of a netted system; the conceptual and mathematical background for such are presented in a separate chapter.
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Fredin, Patrik. "Correlation between Corneal Radius of Curvature and Corneal Eccentricity." Thesis, Linnéuniversitetet, Institutionen för medicin och optometri (MEO), 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-26486.
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Aim: The primary aim of this study was to find if there is any correlation between the corneal radius of curvature and its eccentricity. Method: 45 subjects participated in this study, 24 emmetropes, 18 myopes and three hyperopes. All subjects were free of ocular abnormalities and had no media opacities. All the subjects had normal ocular health and good visual acuity of 1.0 or better for both distance and near. The values for eccentricity and corneal radius of curvature were obtained by using a Topcon CA-100F Corneal Analyzer. Results: For the 4.5 mm zone the only significant correlation between corneal radius of curvature and eccentricity was obtained for the mean of the meridian (p = 0.007). On the other hand, we found no significant correlation for the average of two meridians or for meridian 1 and meridian 2 separately in the 8.0 mm zone. Conclusions: We found no correlation between the corneal radius of curvature and the eccentricity for both zones. In addition, no correlation could be found between the spherical equivalent of the refractive errors and the corneal eccentricity. The reason for not finding any significant correlation between the two entities could be due to factors such as smaller sample size and poor distribution of refractive errors in the sample. Moreover, there may be other factors that could influence the overall corneal shape like eye shape, axial length and corneal diameter, which was not evaluated in this study.
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Svensson, Tommy. "AAA-protokoll : En jämförelse mellan protokollen RADIUS och Diameter." Thesis, University of Skövde, School of Humanities and Informatics, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-4280.
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AAA-protokoll är ett protokoll som hanterar uppkopplingsförfrågningar och bokför använda resurser hos användare för att senare kunna ta betalt. Det kan användas för mer än detta så som att erbjuda uppkoppling till trådlösa nätverk. AAA-protokoll erbjuder en centraliserad punkt för administration av uppkopplingshantering och nätverksåtkomst.RADIUS-protokollet är det mest använda AAA-protokollet i världen på grund av sin flexibilitet och öppna standarder. Protokollet innehåller dock en del brister mot funktionalitet och säkerhet, så som att protokollet är svagt mot man-i-mitten-attacker. Diameter är uppföljaren till RADIUS och är det bättre av dem båda. Arbetet går igenom, med fokus på säkerhet och funktionalitet, ifall Diameter rättar till de brister som finns i RADIUS och samtidigt om Diameter är ett protokoll för framtiden.Resultatet som presenteras är att Diameter förbättrar nästan alla de brister som uppdagats mot säkerhet och funktionalitet i RADIUS. De mest kritiska bristerna med RADIUS är dess skalbarhet och dess brist på trafikstockningskontroll i större organisationers nätverk. RADIUS-protokollet lämpar sig inte för större organisationer.Framtiden för Diameter är att anses som ljus. Diameter har rätt uppbackning från organisationer och marknaden i helhet för att bli det nästa stora AAA-protokollet. Diameter har även fått protokollet IMS anpassat efter sig och på så sett visar marknaden stort förtroende för Diameter-protokollet.
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Croitoru, Haniel. "3D computer-assisted preoperative planning for distal radius osteotomies." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape7/PQDD_0005/MQ42603.pdf.
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Shareef, Fuad Mawlood. "Covering radius of codes and its relation to designs." Thesis, Queen Mary, University of London, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.271168.
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Russel, Peter George Fisher. "Stability of the collisionless, large larmor radius Z pinch." Thesis, Imperial College London, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.338850.
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Biyikoglu, Türker, and Josef Leydold. "Graphs with given degree sequence and maximal spectral radius." Department of Statistics and Mathematics, WU Vienna University of Economics and Business, 2008. http://epub.wu.ac.at/1160/1/document.pdf.
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We describe the structure of those graphs that have largest spectral radius in the class of all connected graphs with a given degree sequence. We show that in such a graph the degree sequence is non-increasing with respect to an ordering of the vertices induced by breadth-first search. For trees the resulting structure is uniquely determined up to isomorphism. We also show that the largest spectral radius in such classes of trees is strictly monotone with respect to majorization. This paper is the revised final version of the preprint no. 35 of this research report series. (author´s abstract)Series: Research Report Series / Department of Statistics and Mathematics
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Mackenney, P. J. "Distal radius fracture : epidemiology, outcome, and prediction of instability." Thesis, University of Edinburgh, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.654287.
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The studies in the thesis are divided into two broad sections. The first section is descriptive. Data were collected prospectively over a five-and-one-half year period for approximately 4000 fractures. Validation of the data is performed. The data are used to describe the epidemiology of the fracture in the Lothian Region, and the anatomical outcome of the fracture. Multiple logistic regression analysis of the data is performed to identify those factors (recordable at patient presentation) that are prognostic of outcome. The statistical method used provides weighted significance for each of these factors, and thus mathematical formulae predictive of outcomes are constructable. A number of formulae are produced, depending on the displacement of the fracture at presentation (minimally displaced or displaced), and on the outcome measure (early and late instability, the risk of malunion, and carpal malalignment). The second section is validative. The studies in this section are an assessment of the performance of the mathematical formulae in the clinical setting. In the first study, data are collected prospectively for 139 patients, and outcomes recorded. In the second study, a group of clinicians involved in fracture management are asked to predict fracture outcome using first clinical experience and then the predictive formula. Results. The distal radius fracture occurred predominately in the older female patient following a simple fall. The fracture in this typical patient was usually unstable. The most consistently important predictors of fracture outcome were patient age, fracture displacement, comminution and ulnar variance. The mathematical formulae were able to correctly predict anatomical outcome in approximately 7/10 patients in the validative study. This was a significant improvement upon the predictive accuracy of the clinicians using experience alone. Use of the predictive formula also significantly reduced inter-observer variation in the assessment of fracture stability. Conclusion. Use of the predictive formula in the Accident and Emergency setting could improve decision-making in fracture management. By promoting an assessment of fracture stability rather than fracture displacement, appropriate management choices are facilitated. The unstable fracture can be referred for operative management, an ineffective closed reduction avoided. The thesis also demonstrates the potential value of the method employed. Multiple logistic regression analysis may provide a guide to treatment where the management of the condition is dependent upon the natural history.
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Umuolo, Henry, Habtamu Betelle, and Solomon Thang. "Evaluation of Effect of CMA Radius on SOQPSK Equalization." International Foundation for Telemetering, 2014. http://hdl.handle.net/10150/577420.
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ITC/USA 2014 Conference Proceedings / The Fiftieth Annual International Telemetering Conference and Technical Exhibition / October 20-23, 2014 / Town and Country Resort & Convention Center, San Diego, CAIn this work we investigate the effect of using different values of the radius in a constant modulus algorithm (CMA) equalizer for shaped offset quadrature-phase shift keying (SOQPSK), which is transmitted using the iNET data packet structure. The iNET packet structure contains known data bits (the preamble and asynchronous marker (ASM) bits) within each data packet, and these are used to initialize a block processing CMA algorithm. Two real-time processing methods are investigated here, which are referred to as the 'Single block processing' and the 'Block-by-block processing' methods. Both processing methods require that a number of data packets be discarded while the CMA equalizer converges. In this work we will investigate the effect on the performance of the CMA equalizer of changing its equalizing radius, and also the effect of processing different numbers of data packets based on the same initialization. Based on the results of these tests, a final choice of parameters will be made and we will produce a bit error rate curve for a single telemetry channel.
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Nilawar, R. S. "Effects of finite Rossby radius on vortex-boundary interactions." Thesis, University College London (University of London), 2012. http://discovery.ucl.ac.uk/1348497/.
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The effect of the finite Rossby radius on vortex motion is examined in a two-dimensional inviscid incompressible fluid, assuming quasigeostrophic dynamics in a single layer of fluid with reduced gravity for two geophysically significant problems: a vortex near a gap in a wall and a pair of steady translating vortices. For the motion of a point vortex near a gap in an infinite barrier, a key parameter determining the behaviour of the vortex is a, the ratio of the Rossby radius of deformation and the half-width of the gap. For large a, depending on the location of the vortex, a vortex sheet is placed either over the gap (gap method) or over the two semi-infinite barriers (barrier method). When the vortex sheet is over the gap, numerical inaccuracies are encountered when the vortex is close to the gap, therefore the conjugate (barrier) method is used. Both integral equations contain singularities which can be de-singularised and solved iteratively using the known exact solution in rigid-lid limit, i.e. a → ∞. For large a, there is only slight deviation from the analytical (a → ∞) trajectories. For smaller a, the integral equation from the conjugate method is solved by numerically approximating the integral equation into a system of linear equations and solving using matrix inversion. The integral equation is further simplified by splitting into even and odd parts, thus reducing the problem to the half plane. It is also found that decreasing a, increases the tendency for vortices to pass through the gap. Background flows influence vortex trajectories and are incorporated by modifying the conjugate method integral equation. These equations are solved using the matrix method. Streamlines for uniform symmetric and anti-symmetric (which has no analogy in the rigid-lid limit) flow through the gap are computed and their effect on the vortex trajectories are found. The motion of finite area patches of constant vorticity near a gap in a wall is computed using the matrix method in conjunction with contour dynamics. For fixed a, vortex patches are normalised to travel at the same speed as a point vortex. The normalisation is non-trivial and depends nonlinearly on the patch area and a. In the rigid-lid limit, it reduces to the ‘usual’ normalisation based on the patch circulation. For near circular patches, the trajectory of the centroid of the patches also follows the trajectory of the point vortices. When the patch becomes distorted the agreement is not so close. The splitting and joining of contours is also computed using contour surgery and some examples showing this sudden change of behaviour is presented. The next problem determines the effect of the Rossby radius of deformation, on steady translating vortex pairs or, equivalently, a patch in steady translation near a wall. The velocities for the normalised vortex patch are compared to the velocity of a point vortex located at the centroid of the patch. It is found there is good agreement for a range of patch sizes. When the patches are sufficiently far from the wall, decreasing the Rossby radius makes the steadily translating shapes more circular. However, when close to the wall, the effect of the Rossby radii results in patches deforming greatly, forming long slug-like shapes. These are shown to be stable using a time dependent contour dynamics code. Background flows are also incorporated and give different vortical shapes for finite Rossby radii flows, ranging from slug-like to tear-drop in shape.
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Alexopoulos, Argyrios. "Fast generation and covering radius of Reed-Muller Codes." Thesis, Monterey, California. Naval Postgraduate School, 2009. http://hdl.handle.net/10945/4471.
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Reed-Muller codes are known to be some of the oldest, simplest and most elegant error correcting codes. Reed-Muller codes were invented in 1954 by D. E. Muller and I. S. Reed, and were an important extension of the Hamming and Golay codes because they gave more flexibility in the size of the codeword and the number of errors that could be correct. The covering radius of these codes, as well as the fast construction of covering codes, is the main subject of this thesis. The covering radius problem is important because of the problem of constructing codes having a specified length and dimension. Codes with a reasonably small covering radius are highly desired in digital communication environments. In addition, a new algorithm is presented that allows the use of a compact way to represent Reed-Muller codes. Using this algorithm, a new method for fast, less complex, and memory efficient generation of 1st and 2nd order Reed - Muller codes and their hardware implementation is possible. It is also allows the fast construction of a new subcode class of 2nd order Reed-Muller codes with good properties. Finally, by reversing this algorithm, we introduce a code compression method, and at the same time a fast, efficient, and promising error-correction process.
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Franken, Ralf. "The covering radius of long primitive ternary BCH codes." Thesis, University of Glasgow, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.419171.
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Goudie, Stuart Thomas. "Distal radius fracture : relationships between psychological factors and recovery." Thesis, University of Edinburgh, 2018. http://hdl.handle.net/1842/33253.
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Distal radius fracture is a common injury. The majority of people recover well but a proportion have ongoing pain, stiffness, deformity and functional limitation. Associations between these outcomes, injury characteristics and treatment methods are inconsistent, for example a deformed wrist is not always painful, stiff and functionally limiting. The psychological response to fracture and the role that psychological factors play in recovery are complex and poorly understood. Identification and treatment of those psychological factors that might influence disability and symptom intensity could improve outcomes in this large group of patients. The aim of this thesis is to explore the influence of psychological factors on outcome following fracture of the distal radius. To investigate these relationships further a literature review was carried out looking at the association between psychological factors and outcomes in distal radius fracture patients. Prospective studies were then performed in order to identify associations between demographic factors, injury severity, treatment and psychosocial factors and symptom intensity and disability after fracture and to identify predictors of psychological response to injury. A prospective randomised controlled trail (RCT) was then carried out to compare the impact of an additional psychological workbook intervention versus an information workbook in the otherwise routine management of distal radius fracture. The literature review identified evidence to support the association between psychological factors and outcome after acute injury in general but limited evidence specifically pertaining to distal radius fracture. The first prospective study of 216 patients found psychosocial factors to be more strongly associated with disability (Disability of Arm Shoulder and Hand score, DASH) and pain intensity after distal radius fracture than any injury or treatment factor. The second prospective study of 153 patients found that psychological traits are relatively stable in this cohort and that no demographic, injury or treatment factors were associated with the small changes in psychological scores up to 10 weeks following injury. The RCT demonstrated that use of a psychological workbook did not significantly improve disability six weeks after injury compared to an information workbook in a cohort of patients with distal radius fracture (DASH 38 vs 35, p = 0.949). The importance of psychosocial factors in recovery from distal radius fracture has been demonstrated. Following this injury, psychological factors remain stable over time or fluctuate to a small degree with distinct trends. In cohorts with stable psychological responses to fracture, the individual psychological response cannot be reliably predicted by demographic, injury or treatment factors. Use of a psychological workbook intervention does not improve outcomes in patients with a good initial psychological response to injury. Future work should investigate less psychologically stable and well adapted cohorts, establish how best to identify patients at risk of poor outcome and whether, indeed, these specific groups are amenable to treatment and if so what form this intervention should take. It should address limitations identified in this work, primarily, reduce questionnaire fatigue with more focused psychological questionnaires. Ultimately, it should work towards creating a structure where patients can be screened with a recognised psychological scoring system at initial presentation to fracture clinic and allow a sub-group of psychologically mal-adpted patients to be referred on to a dedicated psychology service, that would work to optimise the psychological conditions for recovery.
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FERREIRA, GISELLE MARTINS DOS SANTOS. "ON SPECTRAL RADIUS OF A CLASS OF OPERATORS TRANSFORMATIONS." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 1993. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=8592@1.
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COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIORAs transformações F e F(diferente) surgiram associados ao problema de estabilidade em média-quadrática de sistemas bilineares discretos de dimensão infinita evoluindo em espaços de Hilbert separáveis, tendo sido originariamente definidas através de séries infinitas na álgebra de Banach dos operadores lineares e limitados no espaço de Hilbert em que o sistema evolui. O presente trabalho parte de uma condição suficiente para a estabilidade, condição esta anteriormente determinada, que se traduz imposições sobre os raios espectrais das transformações mencionadas ambos estritamente menores que um- e do fato já conhecido de que, a condição sendo parcialmente satisfeita, isto é, um dos raios espectrais menor que um, não implica que ela o seja por completo. Deste modo, coloca-se uma primeira questão: em que casos tal implicação existe? O estudo é então desenvolvido sobre a simplificação das condições que originaram: as transformações F e F (diferente) são tomadas simplificadamente como somas de apenas dois termos, e a questão inicial se converte na pesquisa de casos em que a igualdade entre raios espectrais de F e F(diferente) ocorre. Mais precisamente, os termos que compõem F e F(diferente) se constitui em produtos de operadores pertencentes à álgebra de Banach inicialmente referida, de modo que é feita uma análise do comportamento dos raios espectrais de F e F(diferente) situando-se esses operadores em classes específicas nessa álgebra. Sob estas condições são apresentados resultados relativos às classes dos operadores auto-adjuntos, unitários, normais, isometrias e subnormais, assim como um resultado referente aos shifts ponderados. Além disto, é apresentado um resultado geral para o caso de espaços de dimensão finita.
The transformations f and F(different) appeared associated to the mean-square stability problem for infinite dimensional discrete bilinear systems evolving in a separable Hilbert space, being originally defined as infinite series in the Banach algebra of bounded linear operators on the Hilbert space where the system evolves. The present work starts with a previously defined sufficient stability condition, expressed by assumptions on the spectral radiuses of the mentioned transformations - both strictly less than one- and from the already known fact that the condition being partially fulfilled, that is, one of the spectral radiuses less than one, does not imply that it be so completely. Thus one poses a first question: in which cases does one have such an implication? The study is then developed on a simplification of the conditions from which it arose: both F and F(different) are taken as sums of only terms, and the initial question becomes the search for cases in which the equality betweem the spectral radiuses of F and F(different) occurs. More precisely, the terms that compose F and F(different) are products of operators in the above mentioned algebra, so that the behaviour of the spectral radiuses of F and F (different) is analysed by placing those operators in specific classes in that algebra. Under these assumptions, results related to the classes of self-adjoint, unitary, normal, isometries and subnormal operators are presented, as well as result referring to weighted shifts. Besides, a general result related to finite-dimensional spaces is also presented.
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Edmonds, Jessica Leigh. "Exercise protocols during short-radius centrifugation for artificial gravity." Thesis, Massachusetts Institute of Technology, 2008. http://hdl.handle.net/1721.1/45273.
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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 2008."June 2008."
Includes bibliographical references (p. 125-133).
Long-duration spaceflight results in severe physiological deconditioning, threatening the success of interplanetary travel. Exercise combined with artificial gravity provided by centrifugation may be the comprehensive countermeasure needed to prevent such deconditioning. The aims of this study were (1) to characterize the physiological responses to longitudinal g-gradient and high g-levels during short-radius centrifugation, and (2) to quantify the fitness benefits of an eight-week exercise program on a short-radius centrifuge. In the first experiment, we utilized a tilting short-radius centrifuge to investigate heart rate, blood pressure, and calf volume responses to high g-level and g-gradient centrifugation with and without light exercise (stepping in place). All measures increased significantly with increasing g-level and increasing g-gradient, but these effects were reduced significantly when the subject stepped in place. In the second experiment, we quantified the effectiveness of an eight-week exercise program using a stair-stepper and resistive arm bands on a horizontally-rotating short radius centrifuge. Healthy, previously sedentary subjects exercised at a constant heart rate three times per week for eight weeks, and underwent measurements to test aerobic capacity and endurance, strength, and body composition at weeks 0, 4, and 8. Eight subjects successfully completed 24 exercise sessions with little or no discomfort. After eight weeks of exercise, we found significant improvements in aerobic capacity (increased work rate for a given heart rate, increased stepping endurance), muscular strength (increased number of push-ups), and body composition (decreased leg fat percentage, increased pelvic bone mineral content).
(cont.) Stepping in place significantly reduced the physiological responses to increasing g-level and g-gradient, suggesting that subjects may be able to better tolerate exposure to high-g centrifugation if they exercise. Further, an eight-week exercise program using a stair-stepper on a short-radius centrifuge resulted in improvements to aerobic capacity, strength, and body composition. These two studies demonstrate the feasibility and benefits of exercise in an artificial gravity environment.
by Jessica Leigh Edmonds.
Ph.D.
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Azimi, Roushan Tahere. "Inequalities related to norm and numerical radius of operators." Thesis, Pau, 2020. http://www.theses.fr/2020PAUU3002.
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Dans cette thèse, après la présentation des notions et des introductions nécessaires, nous étudionslinégalité Hermite-Hadamard pour les fonctions convexes géométriques. Après, nousdéveloppons les résultats en introduisant la fonction convexe géométrique opérationnelle etnous confirmons linégalité Hermite-Hadamard pour ces sortes de fonctions. Ensuite, nousmontrons certaines améliorations du cas normatif de certaines inégalités opérationnelles célèbres,en montrant le rôle convexe logarithmique de quelques fonctions classées selon lanorme stable et aussi en considérant le lien entre les fonctions convexes géométriques et lesfonctions logarithmiques. De plus, nous confirmons les résultats numériques obtenus pourapprocher une catégorie des fonctions convexes pour leur version opérationnelle et nousaméliorons linégalitéHermite-Hadamard pour certaines fonctions convexes opérationnellesen tant quune utilisation des résultats obtenus. Enfin, nous discutons à propos du rayon numériquedun opérateur qui est équivalent de sa norme opérationnelle et nous présentonsdes résultats concernés. Nous terminons cette thèse en obtenant les bornes supérieures dunombre Berezin dun opérateurIn this thesis, after expressing concepts and necessary preconditions, we investigate Hermite-Hadamard inequality for geometrically convex functions. Then, by introducing operator geometricallyconvex functions, we extend the results and prove Hermite-Hadamard type inequalityfor these kind of functions. In the following, by proving the log-convexity of somefunctions which are based on the unitarily invariant norm and considering the relation betweengeometrically convex functions and log-convex functions, we present several refinementsfor some well-known operator norm inequalities. Also, we prove operator version ofsome numerical results, which were obtained for approximating a class of convex functions,as an application,we refine Hermite-Hadamard inequality for a class of operator convex functions.Finally, we discuss about the numerical radius of an operator which is equivalent withthe operator norm and we state some related results, and by obtaining some upper boundsfor the Berezin number of an operator which is contained in the numerical range of that operator, we finish the thesis
در این رساله، پس از بیان مفاهیم و مقدمات لازم به بررسی نامساوی هرمیت-هادامار برای توابع محدب هندسی پرداخته سپس با معرفی تابع محدب هندسی عملگری، نتایج را توسیع داده و نامساوی هرمیت-هادامار گونه را برای این دست توابع اثبات می کنیم. در ادامه با نشان دادن محدب لگاریتمی بودن چند تابع که براساس نرم پایای یکانی تعریف شده اند، و با در نظر گرفتن ارتباط بین توابع محدب هندسی و توابع محدب لگاریتمی بهبودهایی از حالت نرمی چند نامساوی عملگری معروف ارائه می دهیم. هم چنین نتایج عددی بدست آمده جهت تقریب رده ای از توابع محدب را برای نسخه عملگری آن ها اثبات نموده و به عنوان کاربردی از نتایج حاصل، نامساوی هرمیت-هادامار را برای برخی توابع محدب عملگری بهبود می بخشیم. در نهایت، در مورد شعاع عددی یک عملگر، که معادل با نرم عملگری آن می باشد بحث نموده و به بیان برخی از نتایج مرتبط پرداخته، و با بدست آوردن کران های بالایی از عدد برزین یک عملگر که زیر مجموعه ای از برد عددی آن عملگر می باشد، رساله را به پایان می بریم
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FOURY, CATHERINE. "Fractures de l'extremite inferieure du radius : etude anatomo-clinique." Amiens, 1994. http://www.theses.fr/1994AMIEM043.
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Haynie, Charles Dean. "Development of a Novel Zero-Turn-Radius Autonomous Vehicle." Thesis, Virginia Tech, 1998. http://hdl.handle.net/10919/36961.
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This thesis describes the development of a new zero-turn-radius (ZTR) differentially driven robotic vehicle hereinafter referred to as NEVEL. The primary objective of this work was to develop a device that could be used as a test-bed for continued autonomous vehicle research at Virginia Tech while meeting the entry requirements of the Annual International Unmanned Ground Robotics Competition. In developing NEVEL, consideration was given to the vehicle's mechanical and electrical design, sensing and computing systems, and navigation strategy. Each of these areas was addressed individually, but always within the context of optimal integration to produce the best overall vehicle system. A constraint that directed much of the design process was the desire to integrate industrially available and proven components rather than creating custom designed systems. This thesis also includes a review of the relevant literature as it pertains to both subsystem and overall vehicle design.
NEVEL, the vehicle that was created from this research effort, is novel in several respects. It is one of the few true embodiments of a fully functioning, three-wheel, differential drive autonomous vehicle. Several previous studies have developed this concept for indoor applications, but none has resulted in a working test-bed that can be applied to an unstructured, outdoor environment. NEVEL also appears to be one of the few autonomous vehicle systems to fully incorporate a commercially available laser range finder. These features alone would make NEVEL a useful platform for continued research. In addition, however, by using common, off-the-shelf components and a personal computer platform for all computation and control, NEVEL has been created to facilitate testing of new navigation and control strategies. As testimony to the success of this design, NEVEL was recognized at the Sixth Annual International Unmanned Ground Robotics Competition as the best overall design.
Master of Science
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Harfensteller, Mark. "Eine Methodik zur Entwicklung und Herstellung von Radiumtargets." München Utz, 2006. http://d-nb.info/990678385/04.
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BOULVARD, YVES. "Place de la resection de la tete radiale dans le traitement chirurgical des epicondylalgies." Reims, 1990. http://www.theses.fr/1990REIMM008.
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