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Dissertations / Theses on the topic 'Primitive elements'

Author: Grafiati

Published: 25 May 2024

Last updated: 19 July 2025

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1

Huczynska, Sophie. "Primitive free elements of Galois fields." Thesis, University of Glasgow, 2002. http://theses.gla.ac.uk/5533/.

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The key result linking the additive and multiplicative structure of a finite field is the Primitive Normal Basis Theorem; this was established by Lenstra and Schoof in 1987 in a proof which was heavily computational in nature. In this thesis, a new, theoretical proof of the theorem is given, and new estimates (in some cases, exact values) are given for the number of primitive free elements. A natural extension of the Primitive Normal Basis Theorem is to impose additional conditions on the primitive free elements; in particular, we may wish to specify the norm and trace of a primitive free elem

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2

Schiller, Carsten. "Primitive elements in free algebras and a decomposition by the planar logarithm." [S.l.] : [s.n.], 2006. http://deposit.ddb.de/cgi-bin/dokserv?idn=981155448.

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3

VILLEMINOZ, PASCAL. "Hypertension arterielle pulmonaire primitive : elements du pronostic a propos de 31 observations." Lyon 1, 1988. http://www.theses.fr/1988LYO1M022.

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4

Mlodecki, Hugo. "Décompositions des mots tassés et auto-dualité de l'algèbre des fonctions quasi-symétriques en mots." Electronic Thesis or Diss., université Paris-Saclay, 2022. http://www.theses.fr/2022UPASG088.

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Ce travail est fondé sur la théorie des bigèbres bidendriformes, développée par Foissy, qui sont des algèbres de Hopf particulières où le produit et le coproduit peuvent être scindés en deux. Son théorème principal est: Une bigèbre bidendriforme est générée librement par ``l'espace des éléments totalement primitifs'' en tant qu'algèbre dendriforme. Une conséquence est l'auto-dualité des bigèbres bidendriformes.Parmi les nombreuses algèbres de Hopf, Hivert a défini l'algèbre des fonctions quasi-symétriques en mots, notée WQSym. En prouvant que WQSym est une bigèbre bidendriforme, Novelli-Thibon

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5

Lorusso, Paolo. "Verbs in child grammar the acquisition of the primitive elements of the VP at the syntax-semantics interface." Doctoral thesis, Universitat Autònoma de Barcelona, 2014. http://hdl.handle.net/10803/283726.

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Un tema en l'estudi de l'adquisició del llenguatge que ha atret molt l'atenció és la naturalesa dels primers verbs. Als 2 anys, els nens comencen a combinar paraules i a produir els primers verbs. Els elements verbals apareixen més tard que els substantius i es refereixen als conceptes relacionals en el món que estan representats a la sintaxi a través de l'estructura argumental. Aquesta tesi té com a objectiu examinar les característiques de les primeres produccions verbals en italià. L'aparició dels verbs implica el domini d'un procediment d'assignació dels papers semàntics a les posicions si

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6

Humphrey, Christopher Wainwright. ""'There the Father is, and there is everything'" : elements of Plotinian pantheism in Augustine's thought." Thesis, McGill University, 1986. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=65979.

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7

Florin, Guillaume. "FeNi metal condensation and evolution in the Early Solar System : a study of germanium isotopes and siderophile elements in Ordinary and Bencubbinite primitive chondrites." Electronic Thesis or Diss., Université de Lorraine, 2020. http://www.theses.fr/2020LORR0084.

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La formation et l’évolution de la phase métal dans les corps primitifs et les planétésimaux sont d’une importance majeure pour comprendre les premières étapes de l’évolution du Système Solaire primitif. Malgré de nombreuses études sur le métal des chondrites, les conditions de condensation à température intermédiaire, et les processus de chauffe et d’oxydation qui l’affectent dans le disque d’accrétion et dans les planétésimaux sont toujours mal compris. En utilisant une approche combinée des mesures in situ des éléments fortement sidérophiles (HSE) et modérément sidérophiles (MSE) et volatils

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8

Bekaert, David V. "Isotopic constraints on the origin and nature of primitive material in the Solar System and on early Earth." Electronic Thesis or Diss., Université de Lorraine, 2020. http://www.theses.fr/2020LORR0002.

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La Terre s'est formée il y a 4,5 milliards d'années par accumulation de poussières, de roches et de gaz. La composition de ces matériaux primitifs est aujourd'hui enregistrée dans les météorites. Cependant, l'origine des éléments volatils présents dans l'atmosphère (e.g., H, C, N, O) reste incomprise. En combinant des approches expérimentales à l'étude d'échantillons naturels, je me suis intéressé aux objets célestes contenant les ingrédients nécessaires à la formation de l'atmosphère terrestre. Il s'agit principalement des éléments volatils contenus dans la matière organique des météorites et

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9

Payré, Valérie. "Contribution de l’instrument ChemCam à la compréhension de la croûte primitive martienne et des mécanismes d’altération de la surface de Mars : quantification LIBS des éléments traces Li, Rb, Sr, Ba et Cu." Thesis, Université de Lorraine, 2017. http://www.theses.fr/2017LORR0264/document.

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Jusqu’à peu, Mars était vue comme une planète à substrat crustal homogène, dominé par des basaltes à olivine. Les missions in situ ont contribué à bouleverser cette vision si simpliste. Le rover Curiosity qui sillonne le cratère d’impact de Gale formé à l’Hespérien (3.5-3.8 Ga) creusé dans des roches noachiennes (> 3.8 Ga), a ainsi découvert, grâce aux analyses LIBS (‘laser induced breakdown spectroscopy’) de l’instrument ChemCam, des roches ignées alcalines felsiques noachiennes, révélant un magmatisme primitif évolué (Sautter et al., 2016) : ce résultat est en accord avec l’identification

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10

Schmidt-Samoa, Stephan. "Primitive Elemente gezopfter Hopfalgebren und Lie-Algebren in gezopften Kategorien." Diss., lmu, 2004. http://nbn-resolving.de/urn:nbn:de:bvb:19-22698.

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11

Marin, Carbonne Johanna. "Composition isotopique de l'oxygène et du silicium des cherts Précambriens : implications Paléo-environnementales." Thesis, Vandoeuvre-les-Nancy, INPL, 2009. http://www.theses.fr/2009INPL086N/document.

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Les cherts, roches siliceuses, sont souvent considérés comme des marqueurs des conditions environnementales de la Terre primitive. Ces roches sont constituées de quartz sous différentes formes dont le quartz microcristallin ou microquartz est la forme majoritaire. Le but de cette thèse est d'étudier à l'échelle micrométrique les compositions isotopiques de l'oxygène et du silicium des différentes formes de silice dans des cherts d'âges variés, allant de 3,5 à 1,9 Ga afin de mieux comprendre l'origine et le mode de formation de ces roches et d'essayer d'améliorer les reconstructions des tempéra

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12

Bagio, Dirceu. "Sobre a existencia de elemento primitivo para extensões separaveis de aneis comutativos." [s.n.], 2004. http://repositorio.unicamp.br/jspui/handle/REPOSIP/306233.

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Orientador: Antonio Paques<br>Tese (doutorado) - Universidade Estadual de Campinas, Instituto de Matematica, Estatistica e Computação Cientifica<br>Made available in DSpace on 2018-08-03T19:13:26Z (GMT). No. of bitstreams: 1 Bagio_Dirceu_D.pdf: 448817 bytes, checksum: 160c3b2a0ae39e2870be16fd08c01a85 (MD5) Previous issue date: 2004<br>Resumo: Um dos teoremas clássicos da teoria de Galois para corpos é o teorema do elemento primitivo. Na teoria de Galois para anéis comutativos com unidade, tal teorema não é válido em geral. Nesse trabalho encontramos condições necessarias e suficientes para a

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13

Fontaine, Asmaa. "Etude des équilibres chimiques dans le contexte d'accrétion et de différenciation des planètes telluriques." Thesis, Clermont-Ferrand 2, 2014. http://www.theses.fr/2014CLF22457/document.

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Les abondances en éléments sidérophiles du manteau terrestre indiquent une ségrégation du noyau dans un océan magmatique profond. Il est néanmoins difficile de contraindre les conditions d’oxydation prévalant lors de l’accrétion planétaire, en se basant sur les traceurs géochimiques, en raison du nombre important de paramètres qui affectent leurs partages entre métal et silicate. D’autre part, l’état d’oxydation des planètes peut évoluer au cours de l’accrétion. Par conséquent, la nature des matériaux accrétés lors de la formation des planètes reste incertaine. Afin d’apporter de nouveaux élém

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14

Mello, Thiago Castilho de. "Sobre bases normais para extensões galoisianas de corpos." Universidade de São Paulo, 2008. http://www.teses.usp.br/teses/disponiveis/55/55135/tde-21052008-150202/.

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Neste trabalho apresentamos várias demonstrações do Teorema da Base Normal para certos tipos de extensões galoisianas de corpos, algumas existenciais e outras construtivas, destacando as diferenças e dificuldades de cada situação. Apresentamos também generalizações de tal teorema e mostramos que toda extensão galoisiana de grau ímpar de corpos admite uma base normal autodual com respeito µa forma bilinear traço<br>In this work we present several demonstrations of The Normal Basis Theorem for certain kinds of galoisian extensions of fields, some of them existential and others constructive, poin

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15

Magossi, Priscila Gonçalves. "Ritual da mídia: os elementos rituais e sua aplicação pelos meios de comunicação de massa." Pontifícia Universidade Católica de São Paulo, 2008. https://tede2.pucsp.br/handle/handle/5067.

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Made available in DSpace on 2016-04-26T18:17:11Z (GMT). No. of bitstreams: 1 Priscila Goncalves Magossi.pdf: 313138 bytes, checksum: 6a4f37f763065065bd4ccaf83514dec0 (MD5) Previous issue date: 2008-05-08<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>The research is dedicated to the study and applications of some ritual elements in the mass media, as an attempt to fulfill the emptiness of existence, occasioned by the arrival of consciousness in the primordial man. Justification for this topic is based on the perception that the primitive man, with his mythic thoughts, an

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16

Jacquet, Emmanuel. "Les solides du système solaire primitif : géochimie et dynamique." Phd thesis, Museum national d'histoire naturelle - MNHN PARIS, 2012. http://tel.archives-ouvertes.fr/tel-00761687.

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Cette thèse est consacrée à l'histoire des solides du système solaire primitif. Nous étudions la dynamique des composants chondritiques et trouvons que leur préservation pendant plusieurs Ma dans le disque protoplanétaire nécessite une zone morte. Cette dynamique est essentiellement gouvernée par un paramètre de découplage gaz-solide S que nous conjecturons avoir été <1 et >1 lors de l'accrétion des chondrites carbonées et non carbonées, respectivement. Nous étudions aussi des modèles réduits pour l'interaction entre la turbulence magnétohydrodynamique et la sédimentation de la poussière ainsi

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17

Platte, Rodrigo Barcelos. "Simulação em variáveis primitivas de escoamento incompressíveis com atualizacao direta e explícita para pressão." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 1998. http://hdl.handle.net/10183/127336.

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No presente trabalho estudam-se diferentes técnicas explícitas, em diferenças finitas, no emprego de algoritmos do tipo velocidade-pressão para simulação de escoamentos incompressíveis. O método de resolução da pressão de maneira direta e explícita, introduzido por Bravo e Claeyssen [BRA 97a], é analisado. Faz-se uma aproximação para o erro causado por esta técnica, e verifica-se como isto afeta a equação da continuidade. As simulações são realizadas na cavidade quadrada, comparando-se os diferentes métodos e validando as aproximações realizadas no estudo do método de resolução da pressão. Alé

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18

Wang, Haiyang. "Devolatilization During the Formation of Rocky Planets: Bulk Elemental Composition." Phd thesis, Canberra, ACT : The Australian National University, 2018. http://hdl.handle.net/1885/153341.

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As the solar nebula condensed, evaporated and fractionated to form the nascent Earth, the bulk elemental composition of the Earth was established. To first order, the Earth is a devolatilized sample of the solar nebula. Similarly, rocky exoplanets are also likely devolatilized samples of the stellar nebulae out of which they and their host stars formed. If this assumption holds, we can estimate the chemical composition of rocky exoplanets by applying a devolatilization algorithm based on the elemental abundances of their host stars. This thesis is a

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19

Gasparri, Roberto <1968&gt. "Tumori primitivi multipli del polmone. Profilo clinico e biologico in pazienti affetti da neoplasie polmonari multiple. Analisi di elementi clinici e marcatori biologici come possibili fattori di differenziazione dei tumori polmonari multipli." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2011. http://amsdottorato.unibo.it/3655/1/Gasparri-roberto-Tesi.pdf.

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Background: MPLC represents a diagnostic challenge. Topic of the discussion is how to distinguish these patients as a metastatic or a multifocal disease. While in case of the different histology there are less doubt on the opposite in case of same histology is mandatory to investigate on other clinical features to rule out this question. Matherials and Methods: A retrospective review identified all patients treated surgically for a presumed diagnosis of SPLC. Pre-operative staging was obtained with Total CT scan and fluoro-deoxy positron emission tomography and mediastinoscopy. Patients with

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20

Gasparri, Roberto <1968&gt. "Tumori primitivi multipli del polmone. Profilo clinico e biologico in pazienti affetti da neoplasie polmonari multiple. Analisi di elementi clinici e marcatori biologici come possibili fattori di differenziazione dei tumori polmonari multipli." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2011. http://amsdottorato.unibo.it/3655/.

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Background: MPLC represents a diagnostic challenge. Topic of the discussion is how to distinguish these patients as a metastatic or a multifocal disease. While in case of the different histology there are less doubt on the opposite in case of same histology is mandatory to investigate on other clinical features to rule out this question. Matherials and Methods: A retrospective review identified all patients treated surgically for a presumed diagnosis of SPLC. Pre-operative staging was obtained with Total CT scan and fluoro-deoxy positron emission tomography and mediastinoscopy. Patients with

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21

Bodnarova, Adriana. "Texture analysis for automatic visual inspection and flaw detection in textiles." Thesis, Queensland University of Technology, 2000.

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22

Awasthi, Ambrish. "Primitive transformation shift registers and primitive elements over finite fields." Thesis, 2018. http://localhost:8080/xmlui/handle/12345678/7720.

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23

Anju. "Primitive normal elements over finite fields." Thesis, 2017. http://localhost:8080/xmlui/handle/12345678/7506.

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24

"Generation of Tolerance Maps for Line Profile by Primitive T-Map Elements." Master's thesis, 2013. http://hdl.handle.net/2286/R.I.18013.

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abstract: The objective of this research is to develop methods for generating the Tolerance-Map for a line-profile that is specified by a designer to control the geometric profile shape of a surface. After development, the aim is to find one that can be easily implemented in computer software using existing libraries. Two methods were explored: the parametric modeling method and the decomposed modeling method. The Tolerance-Map (T-Map) is a hypothetical point-space, each point of which represents one geometric variation of a feature in its tolerance-zone. T-Maps have been produced for most of

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25

Schiller, Carsten [Verfasser]. "Primitive elements in free algebras and a decomposition by the planar logarithm / vorgelegt von Carsten Schiller." 2006. http://d-nb.info/981155448/34.

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26

Kovács, Andrea. "Geochemie hornin svrchního pláště lokality Mohelno-Biskoupky." Master's thesis, 2010. http://www.nusl.cz/ntk/nusl-295840.

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Peridotites occuring in orogenic massifs provide important insights into geochemical processes of the Earth's upper mantle by providing direct evidence of mantle evolution throughout Earth history. It has been previously demostrated (e.g. Medaris et al., 1990, 2005) that the uppermost tectonic unit of the Bohemian Massif - the Gföhl Nappe hosts a variety of peridotites that originated from different sources, including subcontinental lithosphere, suboceanic asthenosphere, and possible ultramafic layered intrusive complex. The Czech peridotites of the Gföhl Nappe has been divided into three grou

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27

Baruzzi, Guido S. "Finite element solutions of the Euler equations in primitive variables form." Thesis, 1989. http://spectrum.library.concordia.ca/3284/1/ML51400.pdf.

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28

Schmidt-Samoa, Stephan [Verfasser]. "Primitive Elemente gezopfter Hopfalgebren und Lie-Algebren in gezopften Kategorien / vorgelegt von Stephan Schmidt-Samoa." 2004. http://d-nb.info/971993564/34.

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29

BONECHI, BARBARA. "High pressure experiments on kinetic and rheological properties of primitive alkaline magmas: constraints on deep magmatic processes at the Campi Flegrei Volcanic District." Doctoral thesis, 2021. http://hdl.handle.net/11573/1515460.

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Defining the timescales of magma storage and ascent beneath active volcanoes is a fundamental tool in volcanological investigation of the last decade to constrain pre-eruptive magmatic processes and magma chamber dynamics, since it is able to provide the basis for volcanic hazard assessment. This Ph.D. project focuses on the investigation of the deep portion of the Campi Flegrei Volcanic District plumbing system (crustal-mantle boundary; ~25 km of depth), in correspondence of which the presence of a possible crystallization zone has been hypothesized on the basis of melt inclusion studies, sei

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30

Souza, Elizângela Loureiro de 1979. "Ressignificação dos elementos de pesca : Comunidade Iri (Baixo Amazonas/Brasil)." Doctoral thesis, 2018. http://hdl.handle.net/10451/35081.

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The traditional riverside communities of Amazonia are human groups that live mostly from subsistence fishing and populate the Amazon River banks and its tributaries. Such communities use simple and primitive fishing elements in everyday life and they experience deficiencies at various levels since they lack infrastructures. The fishing elements are responsible for the survival of the community and to the fishermen mean their intimacy, their home, the positive energies and life, something that is the extension of the community and without which they do not exist. Thus, the general objective of

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