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Dissertations / Theses on the topic 'Lorenz'

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Published: 4 June 2021
Last updated: 28 July 2024

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1

Ekola, Tommy. "A Numerical Study of the Lorenz and Lorenz-Stenflo Systems." Doctoral thesis, Stockholm, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-172.

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2

Winckler, Björn. "Renormalization of Lorenz Maps." Doctoral thesis, KTH, Matematik (Avd.), 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-34314.

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This thesis is a study of the renormalization operator on Lorenz αmaps with a critical point. Lorenz maps arise naturally as first-return maps for three-dimensional geometric Lorenz flows. Renormalization is a tool for analyzing the microscopic geometry of dynamical systems undergoing a phase transition. In the first part we develop new tools to study the limit set of renormalization for Lorenz maps whose combinatorics satisfy a long return condition. This combinatorial condition leads to the construction of a relatively compact subset of Lorenz maps which is essentially invariant under renormalization. From here we can deduce topological properties of the limit set (e.g. existence of periodic points of renormalization) as well as measure theoretic properties of infinitely renormalizable maps (e.g. existence of uniquely ergodic Cantor attractors). After this, we show how Martens’ decompositions can be used to study the differentiable structure of the limit set of renormalization. We prove that each point in the limit set has a global two-dimensional unstable manifold which is a graph and that the intersection of an unstable manifold with the domain of renormalization is a Cantor set. All results in this part are stated for arbitrary real critical exponents  α> 1. In the second part we give a computer assisted proof of the existence of a hyperbolic fixed point for the renormalization operator on Lorenz maps of the simplest possible nonunimodal combinatorial type. We then show how this can be used to deduce both universality and rigidity for maps with the same combinatorial type as the fixed point. The results in this part are only stated for critical exponenta α= 2.
QC 20110627
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3

Vidarte, José Humberto Bravo. "Smooth pertubations of Lorenz-like flows." Universidade de São Paulo, 2014. http://www.teses.usp.br/teses/disponiveis/55/55135/tde-15072014-155326/.

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Given a Geometric Lorenz Flow X on \'R POT. n+2\' of class \'C POT. k+1\'; by definition there exists a Poincaré map \'P IND. X\' of class \'C POT. k+1\'; often so-called Lorenz-type map [ABS83]. The main purpose in this dissertation is to show that under certain conditions the Lorenz-type map \'P IND.X\' can be associate to it a one-dimensional transformation \'f IND. X\' of class \'C POT. k\' (defined on an interval). This association is so-called the reduction transformation R; so we have \'RP IND. X\' = \'f IND. X\'. This association would allow us to study the dynamical properties for the original flow using techniques of one-dimensional dynamics of class \'C POT. k\'
Dado um Fluxo Geométrico de Lorenz X em \'R POT. n+2\' de classe \'C POT. k+1\'; por definição, existe uma aplicação de Poincaré \'P IND. X\'\' de classe \'C POT. k+1\'; frequentemente chamado aplicação do tipo Lorenz [ABS83]. O objetivo principal desta tese é mostrar que, sob certas condições a aplicação do tipo Lorenz \'P IND. X\' pode ser associado a ele uma transformação unidimensional \'f IND. X\' de classe \'C POT. k\' (definida em um intervalo). Esta associação é chamada de transformação de redução R; assim temos que , \'RP IND. X\' = \'f IND. X\'. Esta associação nos permitiria estudar as propriedades dinâmicas do fluxo original utilizando técnicas da dinâmica unidimensional de classe \'C POT. k\'
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4

Wendler, André [Verfasser], Lorenz [Akademischer Betreuer] [Gutachter] Engell, and Peter [Gutachter] Geimer. "Anachronismen: Historiografie und Kino / André Wendler ; Gutachter: Lorenz Engell, Peter Geimer ; Betreuer: Lorenz Engell." Weimar : Professur Medienphilosophie, 2012. http://d-nb.info/1115807145/34.

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5

Lucena, Rafael Nóbrega de Oliveira. "Propriedades ergódicas do modelo geométrico do atrator de Lorenz." Universidade Federal de Alagoas, 2011. http://repositorio.ufal.br/handle/riufal/1054.

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This work has its motivation in the study of the ergodic properties of the Lorenz geometric model, constructed to approximate the behavior of solutions of the Lorenz equations. Simultaneously, Afraimovich in [17] and Guckenheimer and Williams [18], constructed a geometric model that mimics the dynamics of the original Lorenz equations. Here, we build ergodic physical measures for two types of applications that arise from the Lorenz geometric model. The first one is a piecewise expanding one-dimensional map and the second is a two-dimensional application wich contracts the leaves of an invariant foliation. To construct the ergodic physical measure for the one dimensional Lorenz map, we make use of an operator (transfer operator) acting in the space of bounded variation functions, while the second uses the Riesz representation theorem and some other topological properties.
Fundação de Amparo a Pesquisa do Estado de Alagoas
Este trabalho tem sua motivação no modelo geométrico construído para aproximar o comportamento das soluções das equações de Lorenz. Simultaneamente Afraimovich em [17] e Guckenheimer e Williams [18] construíram um modelo geométrico. Essencialmente ele consiste na construção de medidas físicas e ergódicas para dois tipos de aplicações, uma unidimensional que é seccionalmente expansora (piecewise expanding) e outra bidimensional que contrai as folhas de uma folheação invariante. A primeira faz uso de um operador (operador de transferência) agindo no espaço das funções de variação limitada, enquanto que a segunda utiliza o teorema de representação Riesz bem como algumas outras propriedades topológicas.
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6

El-Rifai, E. A. "Positive braids and Lorenz links." Thesis, University of Liverpool, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.384365.

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In this work a new foundation for the study of positive braids in Artin's braid groups is given. The basic braids considered are the set SBn of positive permutation braids, defined as those positive braids where each pair of arcs cross at most once. These are shown to be in 1-1 correspondence with the permutations in S . A canonical n form for positive braids as products of braids in SB is given, ton gether with an explicit algorithm for writing every positive braid in canonical form and a practical test for use in the algorithm. This is a useful approach to braid theory because permutations can be particularly easily handled. Applications of this canonical form are: (1) An easily handled approach to Garside's solution of the word problem in B . n (2) An algorithm to decide whether (/1 ) k is a factor of a positive n braid; this happens if and only if at most k canonical factors have equal to /1 n (where /1 n is the positive braid with each pair of arcs cross exactly once). (3) A proof that a positive braid is a factor of (/1 ) k if and only if n its canonical form has at most k factors. (4) An improvement of Garside's solution of the conjugacy problem, this is by reducing the summit set to a much smaller invariant class under conjugation (super summit set). This includes a necessary and sufficient condition for positive braid to contain /1 n up to conjugation. The linear generators of the Hecke algebras used by Morton. and/ Short are in 1-1 correspondence with the elements of SB. The n canonical forms above give a quick proof that the number of strands in a twist positive braid (one of the form (/1 )2mp for positive braid n P and for positive integer m) is the braid index of the closure of that braid, which was first proved by Franks and Williams. It is also shown that if the 2-variable link invariant P L (v, z) for an oriented link L has width k in the variable v, then it is the same as the polynomial of a closed k-braid, for k = 1, 2. A complete list of 3-braids of width 2, which close to knots, is given. It is also shown that twist positive 3-braids do not admit exchange moves (in the sense of Birman). Consequently the conjugacy class of a twist positive 3-braid representative is a complete link invariant, provided that Birman's conjecture about Markov's moves and exchange moves holds. Lorenz knots and links are studied as an example of positive links. It is proved that a positive permutation braid 1T is a Lorenz braid if and only if all braid words which equal 1T have the same single starting letter. A semicanonical form for a minimal braid representative of a Lorenz link is given. It is proved that every algebraic link of c components is a Lorenz link, for c = 1, 2. (The case for knots was first proved by Birman and Williams). Consequently a necessary and sufficient condition for a knot to be algebraic is given, together with a canonical form for a minimal braid representative for every algebraic knot. To some extent the relation between Lorenz knots and their companions is studied. It is shown that Lorenz knots and links of braid index 3 are determined by conjugacy classes in B 3. A complete list of 3 -braids which close to Lorenz knots and links is given and a complete list of pure 4-braids which close to Lorenz links is also given. It is shown that Lorenz knots and links of braid index 3 are determined by their Alexander polynomials. As a further analogy with the properties of algebraic links it is shown that the linking pattern of a Lorenz link L with pure braid representative and braid index t ~4, determines a unique braid representative for L and so determines L.
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7

Herrgård, Max. "Synchronization in the Lorenz system." Thesis, Uppsala universitet, Tillämpad matematik och statistik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-312814.

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8

Lorenz, Björn [Verfasser]. "Serialität der Romanhefte / Björn Lorenz." Göttingen : Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2020. http://d-nb.info/121590617X/34.

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9

Adametz, Julian [Verfasser], Lorenz-Peter [Akademischer Betreuer] Schmidt, and Lorenz-Peter [Gutachter] Schmidt. "Polarimetrische Dekompositionsverfahren für bildgebende Nahbereichsradarsysteme / Julian Adametz ; Gutachter: Lorenz-Peter Schmidt ; Betreuer: Lorenz-Peter Schmidt." Erlangen : Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 2018. http://d-nb.info/1159377413/34.

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10

Chen, Kanglin [Verfasser], Dirk [Akademischer Betreuer] Lorenz, and Peter [Akademischer Betreuer] Maaß. "Optimal Control based Image Sequence Interpolation / Kanglin Chen. Gutachter: Dirk Lorenz ; Peter Maaß. Betreuer: Dirk Lorenz." Bremen : Staats- und Universitätsbibliothek Bremen, 2011. http://d-nb.info/1071898078/34.

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11

Zimmermann, Yvonne. "Bergführer Lorenz Karriere eines missglückten Films /." Marburg : Schüren, 2005. http://catalog.hathitrust.org/api/volumes/oclc/61320646.html.

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12

Lorenz, Julia [Verfasser]. "Die Abgrenzung von Marken / Julia Lorenz." Frankfurt : Peter Lang GmbH, Internationaler Verlag der Wissenschaften, 2016. http://d-nb.info/1102805378/34.

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13

Lorenz, Daniela [Verfasser]. "Finanzwirtschaftliche Entscheidungen und Steuern / Daniela Lorenz." Berlin : Freie Universität Berlin, 2011. http://d-nb.info/1025238931/34.

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14

Schlier, Lorenz [Verfasser]. "Reaktive Randschichtmodifizierung polymerabgeleiteter Keramikmaterialien / Lorenz Schlier." München : Verlag Dr. Hut, 2016. http://d-nb.info/1120763886/34.

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15

SASAKI, Nélio Martins da Silva Azevedo. "EQUAÇÕES DE LORENZ-CROSS NA FERROHIDRODINÂMICA." Universidade Federal de Goiás, 2008. http://repositorio.bc.ufg.br/tede/handle/tde/816.

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Made available in DSpace on 2014-07-29T15:07:10Z (GMT). No. of bitstreams: 1 Dissertacao nelio.pdf: 402379 bytes, checksum: 978793fda386f5ccef16f94380d52b6f (MD5) Previous issue date: 2008-04-05
In this work we investigated the problem of Rayleigh-Bénard for a magnetic binary fluid, i.e., a magnetic fluid, which consist of magnetic nanopartilces stably dispersed in a liquid carrier. The theoretical calculations were performed based on a Lorenz-like model, which transforms a system of partial differential equations into ordinary differential ones. The analysis of the magnetic binary fluid problem used the Navier-Stokes, thermal conduction and mass diffusion equations. The magnetic body force was obtained using the Cowley- Rosensweig tensor as well as the Maxwell equations. The mass flux had included the difusive contribution, associated to Fick s law, and also the thermal diffusion term, due to the Soret effect. Our model consist of a system of eight ordinary differential equations, which were shown to mantain the same mathematical form as the ones obtained earlier by Cross for a non-magnetic binary fluid. However, as expected, our coefficients depend on the magnetic field. According to our investigation on the site www.isiknowledge.com this is the first time in the literature that those equations are obtained, which we named the Lorenz-Cross equations on Ferrohydrodynamics. The validity of our system of equations were, also, checked in the limit of a simple fluid, where our model returns to the Lorenz equations. The only difference is the existence of an effective Rayleigh number, represented by the sum of the Rayleigh number and the magnetic Rayleigh one. Finally, the efect of magnetophoresis in the system of equations had also been discussed.
Neste trabalho investigamos o problema de Rayleigh-Bénard para um fluido binário magnético, ou seja, um fluido magnético, que consiste de nanopartículas magnéticas dispersas em um líqüido carreador.Os cálculos teóricos foram baseados na construção de um modelo tipo Lorenz, pelo qual transformamos um sistema de equações diferenciais parciais em equações diferenciais ordinárias. O sistema de equações para o fluido binário utilizou as equações de Navier-Stokes, condução de calor e difusão de massa.A força magnética foi obtida, usando o tensor eletromagnético de Cowley-Rosensweig, levando em conta as equações de Maxwell. O fluxo de massa considerou o termo difusivo, associado a Lei de Fick, e a contribuição termodifusiva, devido ao efeito de Soret.Nosso modelo consiste de um sistema de 8 equações diferenciais ordinárias, e manteve a mesma forma matemática daquelas obtidas anteriormente por Cross para um sistema binário não-magnético. Entretanto, possui contribuições dependentes do campo magnético. De acordo com nosso levantamento bibliográfico essa é a primeira vez na literatura que essas equações são obtidas, as quais denominamos de equações de Lorenz-Cross na Ferrohidrodinâmica.A validade do nosso sistema de equações foi verificada, também, no limite de um fluido simples, no qual nosso sistema retorna ao modelo tradicional de Lorenz com a diferença da contribuição de um número de Rayleigh efetivo, que representa a soma do número de Rayleigh tradicional com um Rayleigh magnético. A contribuição do efeito magnetoforético para o sistema de equações também foi discutida.
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Schnase, Alfons. "Evolutionäre Erkenntnistheorie und biologische Kulturtheorie : Konrad Lorenz unter Ideologieverdacht /." Würzburg : Königshausen & Neumann, 2005. http://deposit.ddb.de/cgi-bin/dokserv?id=2608502&prov=M&dok_var=1&dok_ext=htm.

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Pranckevičiūtė, Milda. "Apibendrintų Gini indeksų taikymas reitingavimo modeliuose." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2014. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2006~D_20140702_191007-26483.

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Tarptautinių atsiskaitymų banko (BIS) Bazelio II susitarimo nuostatos dėl bankų minimalaus kapitalo apibrėžia reikalavimus kredito rizikos skaičiavimui. Kredito rizikos vertinimo metodai leidžia naudoti vidines įmonių reitingavimo sistemas. Vienas svarbiausių reitingavimo modelio uždavinių – į modelį parinkti tokius finansinius ar nefinansinius rodiklius, kurie geriausiai klasifikuotų įmones pagal jų finansinio pajėgumo lygį. Populiariausias statistinis atrankos rodiklis yra tikslumo koeficientas dar vadinamas Gini indeksu. Tradicinis Gini indeksas buvo apibrėžtas 1914 m. ir iki šiol yra naudojamas pajamų nelygybei populiacijoje apskaičiuoti. 1995 m. Mosleris ir Koševojus pristatė k-matį Gini indekso analogą kaip zonoido tūrį. Šio darbo tikslas – naudojantis zonoidų teorijos idėjomis sukonstruoti apibendrintą reitingavimo modelių Gini indeksą. Pirmoje darbo dalyje pateiktos tradicinės Lorenco kreivės bei Gini indekso sąvokos ir Gini indekso apibendrinimai. Antroje darbo dalyje pagal BIS naudojamas reitingavimo modelio galios sąvokas, apibrėžtas reitingavimo modelio Gini indeksas. Be to, apibrėžti Lorenco kreivės apatinės ir viršutinės aproksimacijų Gini indeksai bei sudaryti šių indeksų apibendrinimai – normos bei tūrio daugiamačiai Gini indeksai. Pabaigoje analizuojamas atskirų finansinių rodiklių Gini indeksų stabilumas bei bendras Gini indeksų – vienamčio, normos ir tūrio – stabilumas ir pateikiamos išvados.
Bank for International Settlements (BIS) Basel II resolutions on banks regulatory capital include requirements for credit risk calculation. Credit risk evaluation methods define the possibility of using the internal rating system. One of the main tasks to build the powerful scoring model is to select financial and non-financial factors that appropriately classify companies according to their financial situation. The most popular statistical measure used for discriminatory analysis is the accuracy ratio or Gini index. General Gini index presented in 1914 is still widely applied to measure income inequality in the population. The k-dimensional analogue of Gini index as volume of zonoid was defined only in 1995 by Mosler and Koshevoy. The main purpose of this paper is to build the generalized Gini index of scoring model following the theory of zonoids. In the first part of the paper the usual Lorenz curve, traditional Gini index and its summary measures are presented. The second part presents the definition of the scoring models Gini index according to scoring model power measures applied in BIS resolutions. Furthermore the Gini indexes of Lorenz curve bottom and top approximations are defined and two its summary measures – norm and volume Gini indexes are constructed. Finally the stability of separate financial ratios Gini indexes and the general stability of univariate, norm and volume Gini indexes are analysed and final conclusions are presented.
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18

Lorenz, Christin [Verfasser]. "Seed biology : a proteomics view / Christin Lorenz." Hannover : Technische Informationsbibliothek (TIB), 2016. http://d-nb.info/1084240076/34.

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19

Schwartzkopff-Lorenz, Ulrike [Verfasser]. "Kurt Mühlenhaupt - eine Künstlermonographie / Ulrike Schwartzkopff-Lorenz." Berlin : Freie Universität Berlin, 2008. http://d-nb.info/1023363712/34.

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20

Siclovan, Diana. "Lorenz Stein and German socialism, 1835-1872." Thesis, University of Cambridge, 2015. https://www.repository.cam.ac.uk/handle/1810/283220.

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This thesis traces the intellectual trajectory of Lorenz Stein (1815-1890), a German legal scholar and political thinker who, despite being a significant theorist during his lifetime, is an obscure figure today, especially in Anglophone scholarship. It focuses on Stein's writings on socialism and argues that they provide crucial insights into the changing nature of socialist thought in the mid-nineteenth century. It contributes to the project of departing from a Marxist interpretation of the history of socialism that has long been predominant, and uses Stein's intellectual biography to illustrate how contingent political, cultural and personal factors have shaped both the creation and reception of socialist ideas.
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Petersen, Tilman Lorenz [Verfasser]. "Jahresabschlussprüfung in der Insolvenz / Tilman Lorenz Petersen." Baden-Baden : Nomos Verlagsgesellschaft mbH & Co. KG, 2018. http://d-nb.info/1175743283/34.

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Lorenz, Sebastian [Verfasser]. "Die akustische Architektur des Computerspiels / Sebastian Lorenz." Bonn : Universitäts- und Landesbibliothek Bonn, 2014. http://d-nb.info/105463727X/34.

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Petersen, Tilman [Verfasser]. "Jahresabschlussprüfung in der Insolvenz / Tilman Lorenz Petersen." Baden-Baden : Nomos Verlagsgesellschaft mbH & Co. KG, 2018. http://d-nb.info/1175743283/34.

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24

Deutschenbaur, Lorenz Konstantin [Verfasser], and Stefan [Akademischer Betreuer] Lorenzl. "Bildgebende und neurophysiologische Untersuchungen zur Lokomotion bei PSP-Patienten und Anwendungsbeobachtung von Rasagilin / Lorenz Deutschenbaur. Betreuer: Stefan Lorenzl." München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2012. http://d-nb.info/1019291516/34.

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Belinga-Hill, Nelly E. "Empirical Likelihood Confidence Intervals for Generalized Lorenz Curve." Digital Archive @ GSU, 2007. http://digitalarchive.gsu.edu/math_theses/38.

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Lorenz curves are extensively used in economics to analyze income inequality metrics. In this thesis, we discuss confidence interval estimation methods for generalized Lorenz curve. We first obtain normal approximation (NA) and empirical likelihood (EL) based confidence intervals for generalized Lorenz curves. Then we perform simulation studies to compare coverage probabilities and lengths of the proposed EL-based confidence interval with the NA-based confidence interval for generalized Lorenz curve. Simulation results show that the EL-based confidence intervals have better coverage probabilities and shorter lengths than the NA-based intervals at 100p-th percentiles when p is greater than 0.50. Finally, two real examples on income are used to evaluate the applicability of these methods: the first example is the 2001 income data from the Panel Study of Income Dynamics (PSID) and the second example makes use of households’ median income for the USA by counties for the years 1999 and 2006
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Budhraja, Rohit [Verfasser], Adrian [Akademischer Betreuer] Lorenz, Adrian [Gutachter] Lorenz, Juri [Gutachter] Rappsilber, and Silke [Gutachter] Leimkühler. "Comparative metalloproteomic study in anaerobically respiring microorganisms / Rohit Budhraja ; Gutachter: Adrian Lorenz, Juri Rappsilber, Silke Leimkühler ; Betreuer: Adrian Lorenz." Berlin : Technische Universität Berlin, 2021. http://d-nb.info/1225397170/34.

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Bolesch, Susanne [Verfasser], Matthias W. [Akademischer Betreuer] Lorenz, Matthias W. [Gutachter] Lorenz, and Volker [Gutachter] Seifert. "Evaluation ultraschallgestützter Verfahren zur Messung des intrakraniellen Drucks / Susanne Bolesch ; Gutachter: Matthias W. Lorenz, Volker Seifert ; Betreuer: Matthias W. Lorenz." Frankfurt am Main : Universitätsbibliothek Johann Christian Senckenberg, 2020. http://d-nb.info/1204129991/34.

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Lorenz, Susanne [Verfasser]. "Architektursprache von Luxushotels in Dubai, VAE / Susanne Lorenz." Berlin : Freie Universität Berlin, 2008. http://d-nb.info/1023098679/34.

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Forward, Michael. "The complex Lorenz equations and orbit following methods." Thesis, Imperial College London, 1989. http://hdl.handle.net/10044/1/47438.

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Domínguez, Rodríguez Jorge Luis. "Variedades inerciais em um modelo atmosférico de Lorenz." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2006. http://hdl.handle.net/10183/7928.

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Estimativas de erro são estabelecidas em termos do número de Rossby para a aproximação de Galerkin não linear nas soluções do modelo atmosférico balanceado de Lorenz com massa forçante. Desse modo a aproximação espectral da aproximação de Galerkin não linear é ligada ao número de Rossby.
Error estimates are established in terms of the Rossby number for a nonlinear Galerkin approximation to the solutions of the balanced atmosphere model of Lorenz with mass forcing. Thereby, the approximation spectral dimension of the nonlinear Galerkin approximation is linked to the Rossby number.
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Schoder, Lorenz [Verfasser]. "Die perisakkadische Misslokalisation bei verlangsamten Sakkaden / Lorenz Schoder." Berlin : Medizinische Fakultät Charité - Universitätsmedizin Berlin, 2015. http://d-nb.info/1079841369/34.

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32

Bock, Lorenz [Verfasser]. "Nanostructured Catalysts Based on Mesoporous Silica / Lorenz Bock." Tübingen : Universitätsbibliothek Tübingen, 2020. http://d-nb.info/1218073616/34.

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33

COLICINO, ELENA. "Dependence: from subgroup analyses to generalized Lorenz curve." Doctoral thesis, Università Bocconi, 2012. https://hdl.handle.net/11565/4054284.

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34

DEBERNARDI, MASSIMO. "Le radici dell'epistemologia evoluzionistica: Popper, Campbell e Lorenz." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2015. http://hdl.handle.net/10281/77475.

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Il presente lavoro intende tracciare un’analisi storico-critica dell’epistemologia evoluzionistica, prendendo in esame le opere di Konrad Lorenz, Karl Raimund Popper e Donald T. Campbell, dopo averle inserite all’interno di una linea storica che risale al pensiero ed all’opera di Charles Darwin. L’epistemologia evoluzionistica, secondo la quale la conoscenza deve essere intesa primariamente come un prodotto dell’evoluzione biologica e considera quindi l’evoluzione biologica come la precondizione del comportamento cognitivo, culturale e sociale che un organismo, un gruppo o una specie può esprimere, ha le sue origini appunto già nei lavori di Charles Darwin. Il quadro esplicativo proposto da Darwin portava a considerare la vita, in modo totalmente “laico”, non più come il culmine di un processo attuato da una mente sovrannaturale, ma come l’esito conclusivo, ma contingente, di uno sviluppo evolutivo segnato da eventi inaspettati. Darwin poneva le premesse per una naturalizzazione della mente, ricollocandola nel contesto di una natura in evoluzione, senza alcuna finalità. Darwin rigettò ogni tentativo di rinunciare al naturalismo metodologico e di escludere a-priori l’applicazione del principio di selezione naturale alla mente umana e non arrivò mai a sostenere una posizione discontinuista. Dopo Darwin fu un filosofo, Herbert Spencer, che abbracciò entusiasticamente la teoria dell’evoluzione arrivando a considerare tutto come una manifestazione di una spinta evolutiva tesa verso il progresso. Fu però soprattutto negli Stati Uniti che la rivoluzione darwiniana impattò sulla filosofia. E’ noto che fin dalla sua apparizione L’origine delle specie venne accolta con grande interesse. E’ importante sottolineare che l’Epistemologia Evoluzionistica è strettamente connessa da una parte alla sintesi moderna, nel campo degli studi di biologia evoluzionistica e dall’altra all’ epistemologia naturalizzata di Willard van Orman Quine. D. T. Campbell fu, insieme a Karl Raimund Popper e Konrad Lorenz, protagonista, attorno agli anni ‘Settanta’ del secolo scorso, di una stagione molto importante per quanto concerne la ricezione della rivoluzione darwiniana all’interno dell’ambiente filosofico e più latamente intellettuale. In Popper l’epistemologia evoluzionistica fu interpretata in chiave più propriamente filosofica e lamarckiana, perché tutto il processo evolutivo viene letto come un processo creativo, che tende alla conoscenza. Konrad Lorenz ritiene che il progressivo processo di un sempre miglior adattamento degli organismi all’ambiente sia leggibile come una crescita di informazione sull’ambiente, che viene definito, in modo analogico, come “sapere”. ambpell non fu né un filosofo né uno storico della filosofia quanto a status accademico, ma uno psicologo. Questo fatto non è casuale: l’epistemologia evoluzionistica occupa uno spazio “extraterritoriale” all’interno della geografia accademica attuale ed è anche per questo motivo che non ha mai assunto un’identità ben definita, trovandosi ad occupare un territorio di confine fra la filosofia, la biologia evoluzionistica, la psicologia e la sociologia. Si tratta di un aspetto essenziale che va rimarcato in modo nettissimo, perché ha rappresentato una notevole difficoltà nella ricostruzione che è stata fatta del dibattito, rendendo quanto mai arduo definire i contorni e i limiti di questo ambito di ricerca. D.T. Campell adottò una prospettiva totalmente selezionista, applicandola a partire dal mondo del vivente su su fino alla scienza.
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35

Jütte, Daniel. "Johann Lorenz Schmidlin, Pictura Docens / [rezensiert von] Daniel Jütte." Universität Potsdam, 2007. http://opus.kobv.de/ubp/volltexte/2008/2238/.

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Rezensiertes Werk: Schmidlin, Johann Lorenz: Pictura docens / Johann Lorenz Schmidlin. Hrsg. und übers. von Fritz Felgentreu und Widu-Wolfgang Ehlers. - Stuttgart- Bad Cannstatt : Frommann-Holzboog, 2007. - XCVI, 227 S. : Ill. - (Clavis pansophiae ; 4) ISBN-10 3-7728-2428-5 ISBN-13 978-3-7728-2428-9
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36

Lorenz, Sven [Verfasser]. "Adaptive Regelung zur Flugbereichserweiterung des Technologiedemonstrators ARTIS / Sven Lorenz." Aachen : Shaker, 2010. http://d-nb.info/1084536293/34.

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37

Mitterer, Lorenz Sylvester [Verfasser]. "AGB-Korrektur in Dauer- und Langzeitschuldverhältnissen / Lorenz Sylvester Mitterer." Frankfurt : Peter Lang GmbH, Internationaler Verlag der Wissenschaften, 2014. http://d-nb.info/1049882792/34.

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Coblenz, Joshua S. "Sensitivity of model output statistics on the Lorenz system." Thesis, Massachusetts Institute of Technology, 2009. http://hdl.handle.net/1721.1/55167.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, 2009.
Cataloged from PDF version of thesis.
Includes bibliographical references (p. 23).
This project studies the sensitivity of model output statistics (or MOS) in numerical weather prediction to lead times and parameters. In order to study MOS in an idealized setting, I use the simplified Lorenz system of differential equations as the physical model to explore the sensitivity of linear MOS in this non-linear system. MOS finds a statistical relationship between imperfect model variables and true variables using linear regression. The effect on the forecast error of lead time and parameter perturbation are investigated.
by Joshua S. Coblenz.
S.M.
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39

Völker, Clara Verfasser], and Lorenz [Akademischer Betreuer] [Engell. "Virtualität und mobile Medientechnologien / Clara Völker ; Betreuer: Lorenz Engell." Weimar : Professur Medienphilosophie, 2009. http://d-nb.info/1115730568/34.

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40

Delgado, Aguilera Efredy. "Sincronización adaptable de sistemas tipo Lorenz de orden fraccionario." Tesis, Universidad de Chile, 2012. http://www.repositorio.uchile.cl/handle/2250/112069.

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La sincronización de sistemas dinámicos consiste en lograr que dos o más sistemas, que evolucionan en forma independiente, converjan hacia una trayectoria común, mediante la aplicación de señales externas adecuadas sobre uno de los sistemas. Como ejemplos de aplicaciones reales, donde la sincronización juega un rol importante, podemos citar el proceso de modificación del ciclo respiratorio de pacientes sometidos a anestesia general por medio de ventiladores mecánicos y la emisión de luz de manera coordinada de las luciérnagas en los periodos de apareamiento. En sistemas complejos de ingeniería, la sincronización se manifiesta en problemas donde se busca unificar el comportamiento de muchos sistemas individuales (sistemas multiagente), mediante la modificación del comportamiento de cada agente. En el estudio de la sincronización de sistemas dinámicos, es posible afirmar que los mayores aportes realizados por los investigadores corresponden a problemas de sincronización de sistemas de orden entero (sistemas con derivadas de orden entero), tanto para el caso de parámetros conocidos (sincronización no adaptable) como para el caso en que dichos parámetros no se conocen (sincronización adaptable). Menos abundantes son los trabajos relacionados con la sincronización no adaptable de sistemas de orden fraccionario (sistemas con derivadas de orden fraccionario) y prácticamente no existen, hasta el momento, soluciones teóricas completas para el caso de la sincronización adaptable de sistemas de orden fraccionario. En este último caso, sólo se pueden encontrar intentos aislados basados en simulaciones que buscan entender esta problemática. La presente Tesis, tiene por objetivo justamente plantear, diseñar y estudiar nuevas metodologías que permitan llevar a cabo la sincronización de dos sistemas no lineales del tipo Lorenz, de orden fraccionario y de parámetros desconocidos, que evolucionan en forma separada. La hipótesis de trabajo que se desea demostrar en esta investigación, postula que es posible realizar la sincronización de esta clase de sistemas, a pesar del desconocimiento que se tenga de sus parámetros. Este proceso de sincronización será llevado a cabo mediante el empleo de controladores basados en parámetros, empleando un proceso de identificación paramétrica del sistema (técnica indirecta) o bien sin un esquema de identificación paramétrica (técnica directa). La solución propuesta para el problema de sincronización se enfoca desde la perspectiva del control adaptable y del diseño de observadores adaptables (estado y parámetros). Esto permite diseñar leyes de control adecuadas, que sincronizan ambos sistemas, incluso empleando una sola señal de control. Para ello, se utilizarán técnicas de cálculo fraccionario y metodologías para el análisis de estabilidad de sistemas enteros y fraccionarios, entre otras. Las estrategias de sincronización desarrolladas en este trabajo y validadas mediante simulaciones, muestran ventajas con respecto a esquemas de sincronización actualmente utilizados (fraccionarios o no fraccionarios). Para ello, se ha realizado un estudio comparativo, a nivel de simulaciones, de los métodos de sincronización propuestos, con aquellos más relevantes existentes en la literatura técnica.
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41

Maheu, Bruno. "Généralisation de la théorie de Lorenz-Mie et applications." Rouen, 1987. http://www.theses.fr/1987ROUES025.

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Théorie de la diffusion d'un faisceau gaussien par un diffuseur sphérique homogène et isotrope. Les résultats ouvrent sur des applications à la granulométrie optique. On expose par la suite un modèle à quatre flux pour décrire la diffusion multiple d'une onde électromagnétique par un nuage dense de diffuseurs
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Maheu, Bruno. "Généralisation de la théorie de Lorenz-Mie et applications." Grenoble 2 : ANRT, 1987. http://catalogue.bnf.fr/ark:/12148/cb37607536f.

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43

Bode, Lorenz [Verfasser]. "Internetzugang für Strafgefangene zwischen Resozialisierung und Sicherheit / Lorenz Bode." Frankfurt a.M. : Peter Lang GmbH, Internationaler Verlag der Wissenschaften, 2019. http://d-nb.info/1202695442/34.

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RAFFINETTI, EMANUELA. "Multivariate dependence measures through Lorenz curves and their generalization." Doctoral thesis, Università Bocconi, 2011. https://hdl.handle.net/11565/4054121.

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Panitz, Florian Maximilian [Verfasser], Lorenz [Akademischer Betreuer] Schwark, Lorenz [Gutachter] Schwark, and Michael [Gutachter] Erdmann. "Alteration of organic geochemical molecular composition by the process of petroleum expulsion / Florian Maximilian Panitz ; Gutachter: Lorenz Schwark, Michael Erdmann ; Betreuer: Lorenz Schwark." Kiel : Universitätsbibliothek Kiel, 2019. http://d-nb.info/1202630081/34.

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Algora, Camelia [Verfasser], Lorenz [Akademischer Betreuer] Adrian, Peter [Gutachter] Neubauer, Lorenz [Gutachter] Adrian, and Ricardo [Gutachter] Amils. "Distribution of Dehalococcoidia in marine sediments and strategies for their enrichment / Camelia Algora ; Gutachter: Peter Neubauer, Lorenz Adrian, Ricardo Amils ; Betreuer: Lorenz Adrian." Berlin : Technische Universität Berlin, 2016. http://d-nb.info/1156010217/34.

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Benad, Peggy [Verfasser], Günter [Akademischer Betreuer] Vollmer, and Lorenz C. [Akademischer Betreuer] Hofbauer. "Hormonelle Regulation von WNT1 und SDC1 in humanen Mammakarzinomzellen / Peggy Benad. Gutachter: Günter Vollmer ; Lorenz C. Hofbauer. Betreuer: Günter Vollmer ; Lorenz C. Hofbauer." Dresden : Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2012. http://d-nb.info/1068443340/34.

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Panitz, Florian Maximilian Verfasser], Lorenz [Akademischer Betreuer] [Schwark, Lorenz [Gutachter] Schwark, and Michael [Gutachter] Erdmann. "Alteration of organic geochemical molecular composition by the process of petroleum expulsion / Florian Maximilian Panitz ; Gutachter: Lorenz Schwark, Michael Erdmann ; Betreuer: Lorenz Schwark." Kiel : Universitätsbibliothek Kiel, 2019. http://d-nb.info/1202630081/34.

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Yang, Chao [Verfasser], Peter [Akademischer Betreuer] Neubauer, Lorenz [Akademischer Betreuer] Adrian, Peter [Gutachter] Neubauer, Lorenz [Gutachter] Adrian, and Ute [Gutachter] Lechner. "Anaerobic transformation of brominated aromatic compounds by Dehalococcoides mccartyi strain CBDB1 / Chao Yang ; Gutachter: Peter Neubauer, Lorenz Adrian, Ute Lechner ; Peter Neubauer, Lorenz Adrian." Berlin : Technische Universität Berlin, 2017. http://d-nb.info/1156015790/34.

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Hahn, Sönke Verfasser], Lorenz [Akademischer Betreuer] [Engell, Wolfgang [Akademischer Betreuer] Kissel, Lorenz [Gutachter] Engell, and Björn [Gutachter] Bartholdy. "Bunker—TV, TV—Bunker: Heterotope Mechanismen am Beispiel von Schutzbauwerken und (Fernseh-)Serien / Sönke Hahn ; Gutachter: Lorenz Engell, Björn Bartholdy ; Lorenz Engell, Wolfgang Kissel." Weimar : Fakultät Kunst und Gestaltung / Promotionsstudiengang Kunst und Design/Freie Kunst/Medienkunst (Ph.D), 2017. http://d-nb.info/114909110X/34.

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