Relevant bibliographies by topics / Local topology / Dissertations / Theses
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Dissertations / Theses on the topic 'Local topology'

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Published: 3 June 2025
Last updated: 31 July 2025

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1

Houston, Kevin. "Local topology of finite complex analytic maps." Thesis, University of Warwick, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.337157.

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2

Stein, Michael [Verfasser]. "Local Algorithms for Distributed Topology Adaptation / Michael Stein." München : Verlag Dr. Hut, 2018. http://d-nb.info/1153254387/34.

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3

Millar, Iain. "Topology independent fault tolerant protocols for local area networks." Thesis, University of Aberdeen, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.262157.

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This thesis will present a new topology independent network architecture for highly fault tolerant, mesh interconnected Local Area Networks(LAN). This architecture was developed within the IEEE 802 Local Computer Reference Model framework and a LAN utilising this architecture will act as a direct replacement for the Media Access Control (MAC) and Physical (PHY) layers of that reference model. The only current MAC protocol that provides a high level of fault tolerance and topological independence is the flooding protocol. The problems with this protocol are highlighted and as a result, a new pr
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4

Lo, Tsz-Wai Rachel. "Feature extraction for range image interpretation using local topology statistics." Thesis, University of Glasgow, 2009. http://theses.gla.ac.uk/557/.

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This thesis presents an approach for interpreting range images of known subject matter, such as the human face, based on the extraction and matching of local features from the images. In recent years, approaches to interpret two-dimensional (2D) images based on local feature extraction have advanced greatly, for example, systems such as Scale Invariant Feature Transform (SIFT) can detect and describe the local features in the 2D images effectively. With the aid of rapidly advancing three-dimensional (3D) imaging technology, in particular, the advent of commercially available surface scanning s
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5

Emmendoerfer, Junior Hélio. "A level set approach for topology optimization with local stress constraints." reponame:Repositório Institucional da UFSC, 2015. https://repositorio.ufsc.br/xmlui/handle/123456789/162563.

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Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Engenharia Mecânica, Florianópolis, 2015.<br>Made available in DSpace on 2016-05-24T17:21:36Z (GMT). No. of bitstreams: 1 338913.pdf: 15783641 bytes, checksum: e4e5e30a9fc572b02430ff4164172aea (MD5) Previous issue date: 2015<br>Este trabalho tem como foco o problema de otimização topológica para minimização de massa com restrições locais sobre o campo de tensões de von Mises. Usando conceitos de curvas de nível (ou level sets) para o controle do domínio, desenvolve-se u
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6

Oliveira, Olga Margarida Fajarda. "Network topology discovery." Doctoral thesis, Universidade de Aveiro, 2017. http://hdl.handle.net/10773/18692.

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Doutoramento em Matemática<br>A monitorização e avaliação do desempenho de uma rede são essenciais para detetar e resolver falhas no seu funcionamento. De modo a conseguir efetuar essa monitorização, e essencial conhecer a topologia da rede, que muitas vezes e desconhecida. Muitas das técnicas usadas para a descoberta da topologia requerem a cooperação de todos os dispositivos de rede, o que devido a questões e políticas de segurança e quase impossível de acontecer. Torna-se assim necessário utilizar técnicas que recolham, passivamente e sem a cooperação de dispositivos intermédios,
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7

Hager, Amanda C. "Freeness of hyperplane arrangement bundles and local homology of arrangement complements." Diss., University of Iowa, 2010. https://ir.uiowa.edu/etd/678.

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A recent result of Salvetti and Settepanella gives, for a complexified real arrangement, an explicit description of a minimal CW decomposition as well as an explicit algebraic complex which computes local system homology. We apply their techniques to discriminantal arrangements in two dimensional complex space and calculate the boundary maps which will give local system homology groups given any choice of local system. This calculation generalizes several known results; examples are given related to Milnor fibrations, solutions of KZ equations, and the LKB representation of the braid group. An
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Zinger, Aleksey 1975. "Enumerative algebraic geometry via techniques of symplectic topology and analysis of local obstructions." Thesis, Massachusetts Institute of Technology, 2002. http://hdl.handle.net/1721.1/8402.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mathematics, 2002.<br>Includes bibliographical references (p. 239-240).<br>Enumerative geometry of algebraic varieties is a fascinating field of mathematics that dates back to the nineteenth century. We introduce new computational tools into this field that are motivated by recent progress in symplectic topology and its influence on enumerative geometry. The most straightforward applications of the methods developed are to enumeration of rational curves with a cusp of specified nature in projective spaces. A general approach for
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9

Zou, Hai Tao. "Local topology of social networks in supporting recommendations and diversity identification of reviews." Thesis, University of Macau, 2015. http://umaclib3.umac.mo/record=b3335434.

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10

Munro, Dirk Pieter. "Topology optimisation and simultaneous analysis and design : material penalisation and local stress constraints." Thesis, Stellenbosch : Stellenbosch University, 2014. http://hdl.handle.net/10019.1/86679.

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Thesis (MEng)--Stellenbosch University, 2014.<br>ENGLISH ABSTRACT: We investigate the simultaneous analysis and design (SAND) formulation of the topology optimisation problem. The characteristics of the formulation are presented considering the simple compliance/weight constrained problem and the more complex local stress constrained case. The problems are solved in an efficient sparse sequential approximate optimisation (SAO) framework with the SAND formulation showing an significant reduction in computational requirements compared to the traditional and inherently expensive nested analy
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11

Aulig, Nikola [Verfasser], Jürgen [Akademischer Betreuer] Adamy, and Bernhard [Akademischer Betreuer] Sendhoff. "Generic Topology Optimization Based on Local State Features / Nikola Aulig ; Jürgen Adamy, Bernhard Sendhoff." Darmstadt : Universitäts- und Landesbibliothek Darmstadt, 2017. http://d-nb.info/114312510X/34.

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12

Johansson, Gunnar. "Local Level Set Segmentation with Topological Structures." Thesis, Linköping University, Department of Science and Technology, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-6904.

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<p>Locating and segmenting objects such as bones or internal organs is a common problem in medical imaging. Existing segmentation methods are often cumbersome to use for medical staff, since they require a close initial guess and a range of different parameters to be set appropriately. For this work, we present a two-stage segmentation framework which relies on an initial isosurface interactively extracted by topological analysis. The initial isosurface seldom provides a correct segmentation, so we refine the surface using an iterative level set method to better match the desired object bounda
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13

Sarria, Luis Alberto Alba. "On local cohomology and local homology based on an arbitrary support." Universidade Federal da Paraíba, 2015. http://tede.biblioteca.ufpb.br:8080/handle/tede/9246.

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Submitted by ANA KARLA PEREIRA RODRIGUES (anakarla_@hotmail.com) on 2017-08-11T16:01:13Z No. of bitstreams: 1 arquivototal.pdf: 1341956 bytes, checksum: 725d00067ec252af7f139395f2803b1b (MD5)<br>Made available in DSpace on 2017-08-11T16:01:13Z (GMT). No. of bitstreams: 1 arquivototal.pdf: 1341956 bytes, checksum: 725d00067ec252af7f139395f2803b1b (MD5) Previous issue date: 2015-12-15<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES<br>This work develops the theories of local cohomology and local homology with respect to an arbitrary set of ideals and generalises mos
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Friday, Brian Matthew. "VANISHING LOCAL SCALAR INVARIANTS ON GENERALIZED PLANE WAVE MANIFOLDS." CSUSB ScholarWorks, 2019. https://scholarworks.lib.csusb.edu/etd/884.

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Characterizing a manifold up to isometry is a challenging task. A manifold is a topological space. One may equip a manifold with a metric, and generally speaking, this metric determines how the manifold “looks". An example of this would be the unit sphere in R3. While we typically envision the standard metric on this sphere to give it its familiar shape, one could define a different metric on this set of points, distorting distances within this set to make it seem perhaps more ellipsoidal, something not isometric to the standard round sphere. In an effort to distinguish manifolds up to isometr
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15

Sathitwiriyawong, Chanboon. "New protocol-less LAN bridge algorithms designed for the efficient handling of topology reconfigurations and an improved resilience to frame errors." Thesis, University of Salford, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.360443.

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Ménard, Gerbold Christophe Bertrand. "2D superconductors perturbed by local magnetism : from Yu-Shiba-Rusinov bound states to Majorana quasiparticles." Thesis, Paris 6, 2016. http://www.theses.fr/2016PA066222/document.

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L'un des buts de la physique de la matière condensée est à l'heure actuelle de fournir de nouveaux systèmes topologiques en particulier dans le domaine de la supraconductivité. L'une des manières envisagée pour générer des supraconducteurs topologiques est d'utiliser une interaction magnétique locale sous la forme de chaînes d'impuretés magnétiques, de vortex ou de clusters d'impuretés magnétiques ordonnées. Dans cette thèse nous avons étudié un ensemble d'effets en partant de l'étude d'impuretés individuelles en allant jusqu'aux clusters organisés en interaction avec un supraconducteur bidime
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17

Khan, Salman A. "Design and analysis of evolutionary and swarm intelligence techniques for topology design of distributed local area networks." Pretori: [S.n.], 2009. http://upetd.up.ac.za/thesis/available/etd-09272009-153908/.

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18

Emmendoerfer, Junior Hélio. "A level set approach for topology optimization with local stress constraints: Uma abordagem de curvas de nível para otimização topológica com restrições de tensão local." reponame:Repositório Institucional da UFSC, 2015. https://repositorio.ufsc.br/xmlui/handle/123456789/169289.

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Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Engenharia Mecânica, Florianópolis, 2015.<br>Made available in DSpace on 2016-10-19T12:38:22Z (GMT). No. of bitstreams: 1 338913.pdf: 15783641 bytes, checksum: e4e5e30a9fc572b02430ff4164172aea (MD5) Previous issue date: 2015<br>Este trabalho tem como foco o problema de otimização topológica para minimização de massa com restrições locais sobre o campo de tensões de von Mises. Usando conceitos de curvas de nível (ou level sets) para o controle do domínio, desenvolve-se um procedimento d
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19

Antonelli, Michele. "New strategies for curve and arbitrary-topology surface constructions for design." Doctoral thesis, Università degli studi di Padova, 2015. http://hdl.handle.net/11577/3423911.

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This dissertation presents some novel constructions for curves and surfaces with arbitrary topology in the context of geometric modeling. In particular, it deals mainly with three intimately connected topics that are of interest in both theoretical and applied research: subdivision surfaces, non-uniform local interpolation (in both univariate and bivariate cases), and spaces of generalized splines. Specifically, we describe a strategy for the integration of subdivision surfaces in computer-aided design systems and provide examples to show the effectiveness of its implementation. Moreover,
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20

Sato, Ayami. "A structural optimization methodology for multiscale designs considering local deformation in microstructures and rarefied gas flows in microchannels." Kyoto University, 2019. http://hdl.handle.net/2433/242495.

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21

Bianco, Raffaello. "Chern invariant and orbital magnetization as local quantities." Doctoral thesis, Università degli studi di Trieste, 2014. http://hdl.handle.net/10077/9959.

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2012/2013<br>La geometria, e la topologia in particolare, rivestono un profondo ruolo in molti campi della fisica ed in particolare in materia condensata ove è possibile identificare diversi stati quantistici della materia attraverso proprietà topologiche. L'invariante di Chern è un invariante topologico che caratterizza lo stato isolante dei cristalli. Esso è definito attraverso la descrizione in spazio reciproco di un cristallo perfetto, per cui è necessario considerare un sistema infinito oppure finito ma con condizioni periodiche al bordo. In questa tesi il concetto di invariante di Cher
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22

Shahrokhi-Dehkordi, Mohammad Sadegh. "Topological methods for strong local minimizers and extremals of multiple integrals in the calculus of variations." Thesis, University of Sussex, 2011. http://sro.sussex.ac.uk/id/eprint/6913/.

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Let Ω ⊂ Rn be a bounded Lipschitz domain and consider the energy functional F[u, Ω] := ∫ Ω F(∇u(x)) dx, over the space Ap(Ω) := {u ∈ W 1,p(Ω, Rn): u|∂Ω = x, det ∇u> 0 a.e. in Ω}, where the integrand F : Mn×n → R is quasiconvex, sufficiently regular and satisfies a p-coercivity and p-growth for some exponent p ∈ [1, ∞[. A motivation for the study of above energy functional comes from nonlinear elasticity where F represents the elastic energy of a homogeneous hyperelastic material and Ap(Ω) represents the space of orientation preserving deformations of Ω fixing the boundary pointwise. The aim of
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23

Patel, Jiten. "Optimal design of mesostructured materials under uncertainty." Thesis, Atlanta, Ga. : Georgia Institute of Technology, 2009. http://hdl.handle.net/1853/31829.

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Thesis (M. S.)--Mechanical Engineering, Georgia Institute of Technology, 2010.<br>Committee Chair: Choi, Seung-Kyum; Committee Member: Muhanna, Rafi; Committee Member: Rosen, David. Part of the SMARTech Electronic Thesis and Dissertation Collection.
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24

Khoumsi, Khalid. "Optimisation des performances dans les réseaux de communication des machines parallèles à passage de messages." Grenoble INPG, 1996. http://www.theses.fr/1996INPG0202.

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Les performances du reseau de communication representent la principale limitation des machines paralleles a memoire distribuee. Cette these traite de l'etude et la realisation de reseaux d'interconnexion permettant l'amelioration des performances des communications dans les machines paralleles mimd a passage de messages. Plusieurs architectures sont proposees dans deux cas tres differents. Tout d'abord dans le cas d'une machine cellulaire dont le but est d'offrir une tres grande puissance de calcul en interconnectant un grand nombre de processeurs tres simples. Une premiere solution permet de
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25

Narula, Vaibhav, Antonio Giuliano Zippo, Alessandro Muscoloni, Gabriele Eliseo M. Biella, and Carlo Vittorio Cannistraci. "Can local-community-paradigm and epitopological learning enhance our understanding of how local brain connectivity is able to process, learn and memorize chronic pain?" Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2017. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-230803.

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The mystery behind the origin of the pain and the difficulty to propose methodologies for its quantitative characterization fascinated philosophers (and then scientists) from the dawn of our modern society. Nowadays, studying patterns of information flow in mesoscale activity of brain networks is a valuable strategy to offer answers in computational neuroscience. In this paper, complex network analysis was performed on the time-varying brain functional connectomes of a rat model of persistent peripheral neuropathic pain, obtained by means of local field potential and spike train analysis. A wi
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26

Bafrnec, Luboš. "Návrh počítačové sítě." Master's thesis, Vysoké učení technické v Brně. Fakulta podnikatelská, 2010. http://www.nusl.cz/ntk/nusl-222489.

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The subject of the “The Computer Network Design” thesis is the analysis of the current company status and a detailed analysis of its possible improvement. The present status, company demands and the brief summary of available technologies for proposed solution have been described. The optimal option for the company has been chosen. Current company costs have been analyzed and savings solution for both monthly costs for maintaining the network and purchasing cost for computer technology itself.
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27

Tor, díez Carlos. "Segmentation automatique de la surface corticale dans des IRM cérébrales des nouveaux-nés." Thesis, Ecole nationale supérieure Mines-Télécom Atlantique Bretagne Pays de la Loire, 2019. http://www.theses.fr/2019IMTA0152/document.

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Des études cliniques sur les nouveau-nés prématurés montrent qu'une large proportion des grands prématurés (moins de 32 semaines d’aménorrhée) présentera des troubles cognitifs, moteurs ou comportementaux. Un objectif clinique est donc d’approfondir les études du développement cérébral et de détecter les anomalies chez les patients néonataux. Parmi les modalités d'imagerie, l'IRM peut fournir une information 3D morphologique, non-invasive, non ionisante et avec une résolution spatiale de l'ordre du millimètre, propriétés qui sont bien adaptées à cette problématique. En outre, la segmentation d
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28

Neumann, Florentin [Verfasser], Hannes [Akademischer Betreuer] [Gutachter] Frey, Volker [Gutachter] Turau, Viorica [Gutachter] Sofronie-Stokkermans, and Ralf [Gutachter] Lämmel. "Silence is golden: reactive local topology control and geographic routing in wireless ad hoc and sensor networks / Florentin Neumann. Betreuer: Hannes Frey. Gutachter: Hannes Frey ; Volker Turau ; Viorica Sofronie-Stokkermans ; Ralf Lämmel." Koblenz, 2016. http://d-nb.info/1111788480/34.

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Neumann, Florentin Verfasser], Hannes [Akademischer Betreuer] [Gutachter] Frey, Volker [Gutachter] [Turau, Viorica [Gutachter] Sofronie-Stokkermans, and Ralf [Gutachter] Lämmel. "Silence is golden: reactive local topology control and geographic routing in wireless ad hoc and sensor networks / Florentin Neumann. Betreuer: Hannes Frey. Gutachter: Hannes Frey ; Volker Turau ; Viorica Sofronie-Stokkermans ; Ralf Lämmel." Koblenz, 2016. http://nbn-resolving.de/urn:nbn:de:kola-13576.

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30

Tornatore, Dario. "Damping Capability of Lattice Structures: a Numerical Study." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2019.

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Lattices are recognized as ultra-lightweight materials with high specific stiffness and high specific strength. The applications of this architectural material range from the aerospace and automotive industry up to the biomedical one. In the literature, most of the studies address the mechanical responses of lattice structures under static, dynamic (impact) and fatigue loading conditions while only few works deal with the damping capabilities of such structures. This study focuses on the damping capability of classical lattice configurations whose architecture is made of struts (i.e. CC, CBC
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Oliveira, Laís da Silva. "Singularidades analíticas reais e complexas." Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/55/55135/tde-08012014-092941/.

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Neste projeto apresentamos algumas direções de pesquisa desenvolvidas no estudo da geometria/topologia da singularidade, no ambiente real e complexo, para funções e aplicações polinomiais. Para isso, utilizaremos as ferramentas da teoria de estratificação, técnicas de decomposição Open book, condições de regularidade no sentido Malgrange, t-regularidade, \'rho\'E-regularidade e trivialidade topológica no infinito<br>On this project we present some research lines developed in the study of the geometry/ topology of singularity, on the real and complex settings, for functions and polynomial mappi
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Santo, Antonio Andrade do Espírito. "Decomposição open book generalizada em conjuntos semi-algébricos." Universidade de São Paulo, 2014. http://www.teses.usp.br/teses/disponiveis/55/55135/tde-06072015-144158/.

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Nos últimos anos, váarios pesquisadores tais como: A. Bodin, A. Dimca, A. Durfee, A. Jacquemard, A. Menegon Neto, A. Némethi, A. Pichon, A. Verjovsky, A. Zaharia, D. Siersma, H. A. Hamm, D. Massey, H. Aguilar-Cabrera, H. H. Vui, J. Cisneros, J. Seade, J. Snoussi, L. D. Tráng, L. Paunescu, L. R. Dias, M. A. S. Ruas, M. Oka, M. Tibar, N. Dutertre, R. N. Araújo dos Santos, S. A. Broughton, T. Gaffney, Y. Chen, entre outros, têm apresentado generalizações dos Teoremas de fibrações de Milnor no ambiente real e complexo (e do Teorema de Kurdyka-Orro-Simon, ver por exemplo [Di, KOS]), visando um melh
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Maldonado, Juan Carlos Nuñez. "Conectividade de variedades semi-algébricas." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/55/55135/tde-27072017-103944/.

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Neste projeto apresentamos os teoremas de estrutura, decomposição celular, e o teorema da existência da triangulação para conjuntos semi-algébricos compactos. Como aplicações destes teoremas mostramos o lema de seleção da curva local e global. Além disso, apresentamos uma breve descrição da topologia da fibra de Milnor local e global, bem como alguns resultados sobre o grau de conexidade da fibra genérica global de uma função polinomial complexa, que mostram a íntima relação entre o grau de conexidade com a dimensão do conjunto singular.<br>In this project we present some structure theorems, c
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Chis, Cristina. "Bounded sets in topological groups." Doctoral thesis, Universitat Jaume I, 2010. http://hdl.handle.net/10803/10502.

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A boundedness structure (bornology) on a topological space is an ideal of subsets containing all singletons, that is, closed under taking subsets and unions of finitely many elements. In this paper we deal with the structure of the whole family of bounded subsets rather than the specific properties of them by means of certain functions that we define on a metrizable topological group. Our motivation is twofold: on the one hand, we obtain useful information about the structural features of certain remarkable classes of bounded systems, cofinality, local properties, etc. For example, we estimate
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Roesch, Pascale. "Topologie locale des methodes de newton cubiques." Lyon, École normale supérieure (sciences), 1997. http://www.theses.fr/1997ENSL0065.

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L'ensemble de julia j d'une fraction rationnelle sur la sphere de riemann est le plus petit compact invariant (en avant et en arriere) qui contienne au moins trois points. Dans cette these, on s'interesse a la connexite locale de j pour les methodes de newton cubiques, fractions rationnelles de degre trois ayant trois points critiques fixes distincts. On demontre que, pour une methode de newton cubique n, le bassin immediat de chaque point critique fixe (composante connexe de l'ensemble des points attires par ce point critique) a toujours pour frontiere une courbe de jordan. On demontre aussi
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Lemanissier, Thibaud. "Construction d’une catégorie d’espaces de Berkovich sur Z et étude locale de leur topologie." Thesis, Paris 6, 2015. http://www.theses.fr/2015PA066569/document.

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Dans cette thèse, nous allons dans un premier temps proposer une définition d'espaces analytiques sur un anneau d'entiers de corps de nombres muni de la norme induite par le maximum des normes de ses différents plongements complexes. Cette définition s'appuie sur la théorie des espaces analytiques sur un corps non archimédien introduite par V. Berkovich.Nous montrerons ensuite que la définition que nous proposons donne lieu à une catégorie qui satisfait des propriétés essentielles comme une description " simple " des ensembles morphismes entre espaces analytiques, l'existence de produits fibré
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Sethuraman, Balasubramanian. "Novel Methodologies for Efficient Networks-on-Chip Implementation on Reconfigurable Devices." Cincinnati, Ohio : University of Cincinnati, 2007. http://www.ohiolink.edu/etd/view.cgi?ucin1196043683.

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Thesis (Ph. D.)--University of Cincinnati, 2007.<br>Advisor: Ranga Vemuri. Title from electronic thesis title page (viewed Feb. 18, 2008). Keywords: Networks-on-Chip (NoC), System-on-Chip (SoC), FPGA, Reconfigurable & Platform-Based Design, Light Weight Router Design, Multi Local Port Router, Multicast Router, Low Power Topology Generation & Mapping, Power Issues and IR drop Analysis, Minimum. Includes abstract. Includes bibliographical references.
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Larcanché, Audrey. "Topologie locale des espaces de feuilletages des variétés fermées de dimension 3." Phd thesis, Université des Sciences et Technologie de Lille - Lille I, 2004. http://tel.archives-ouvertes.fr/tel-00008258.

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Dans cette thèse, nous nous intéressons aux feuilletages orientables en surfaces des variétés fermées de dimension 3. Nous prouvons que deux tels feuilletages sur une variété fermée orientable sont homotopes s'ils sont tendus et suffisamment proches. Pour cela, nous établissons d'abord une version ''à paramètre'' d'un théorème de Thurston selon lequel il est possible de prolonger certains feuilletages du tore-surface au tore solide. Dans ce travail, nous construisons un tel prolongement et nous utilisons le théorème d'Herman sur la conjugaison des difféomorphismes du cercle à des rotations pou
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Larcanché, Audrey Bourdon Marc Belliart Michel. "Topologie locale des espaces de feuilletages des variétés fermées de dimension 3." Villeneuve d'Ascq : Université des sciences et technologies de Lille, 2007. https://iris.univ-lille1.fr/dspace/handle/1908/620.

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Reproduction de : Thèse de doctorat : Mathématiques pures : Lille 1 : 2004.<br>N° d'ordre (Lille 1) : 3509. Résumé en français et en anglais. Titre provenant de la page de titre du document numérisé. Bibliogr. p. 46-48.
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Ugalde-Saldaña, Edgardo. "Modèles dynamiques pour la turbulence locale." Aix-Marseille 1, 1996. http://www.theses.fr/1996AIX11044.

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Dans cette these nous definissons une famille de quantites significatives sur l'ensemble des suites de vitesse, afin de caracteriser la turbulence locale. Nous construisons ensuite un modele symbolique avec topologie markovienne, que nous appelons systeme rond. Pour ce systeme nous pouvons calculer les quantites significatives, en considerant la mesure d'entropie maximale, puis des mesures non-markoviennes. Nous pouvons ainsi etudier le comportement en echelle des differences de vitesse dans le modele, en identifiant la relation entre la structure de la mesure ergodique consideree et le compor
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41

Bagheri, Amir. "Cohomologie locale, les idéaux gradués et leurs puissances." Paris 6, 2013. http://www.theses.fr/2013PA066434.

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Dans cette thèse, nous allons donner quelques propriétés de certaines catégories des modules et les anneaux. En raison de la variation des résultats et puisque l'auteur a fait ses recherches dans l'Université Pierre et Marie Curie et l'Université de Téhéran, la thèse est divisé en deux parties. La première partie est disposée dans le cas graduée. En effet, dans cette partie nous allons concerner le support multigrades de Tor et cohomologie locale des puissances des idéaux dans le cas où l'anneau est G-gradué où G est un groupe commutatif de type fini. Plus précisément, dans cette partie, nous
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Taleb, Riadh. "Design géométrique de surfaces de topologie arbitraire." Phd thesis, Université Joseph Fourier (Grenoble), 2001. http://tel.archives-ouvertes.fr/tel-00004706.

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Cette thèse est consacrée à la définition d'une surface géométriquement lisse interpolant un ensemble triangulé de points de R^3. Une telle triangulation, que nous appelons "réseau surfacique", doit définir une sous-variété de dimension 2, et peut représenter des surfaces de n'importe quel genre topologique. Il fournit l'information topologique, par l'intermédiaire d'une structure de données contenant les informations d'adjacence entre les sommets, les arêtes et les faces. Nous avons développé deux méthodes pour l'interpolation des sommets du réseau surfacique. Elles sont strictement locales e
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Lozano, Bagén Toni. "On the exoticness of some new p-local compact groups." Doctoral thesis, Universitat Autònoma de Barcelona, 2016. http://hdl.handle.net/10803/385105.

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En 2003, Broto-Levi-Oliver van introduir el concepte de grup p-local finit, el qual és una generalització dels espais classificadors de grups finits p-completats. Més tard, els mateixos autors van introduir també el concepte de grup p-local compacte, el qual és una generalització dels espais classificadors de grups de Lie p-completats i dels grups p-compactes. Mentre que el concepte de grup p-local finit exòtic està clarament definit, en el cas compacte hi ha vàries famílies de grups que donen lloc a grups p-locals compactes, desdibuixant així la noció d'exoticitat. En aquesta tesi construi
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Mondragon, Chigora Nataly. "Relaciones entre un Espacio X y su N-ésimo Producto Simétrico." Tesis de Licenciatura, Universidad Autónoma del Estado de México, 2017. http://hdl.handle.net/20.500.11799/79991.

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Se muestra la base para la topología con la que dotamos a Fn(x) y se exponen propiedades y resultados de los abiertos básicos en el n-ésimo producto simétrico. También se establece una relación entre X y su hiperespacio Fn(x), algunas de ellas son: la construcción de las bases que preservan cerradura, redes, bases locales, familias discretas.<br>La topología, es una rama de las matemáticas que aparecieron a finales del Siglo XIX. Esta joven disciplina matemática estudia las propiedades de los espacios topológicos y las funciones definidas entre estos. El Objetivo de este trabajo es profund
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Lamy, Julien. "Calcul du chemin central du côlon pour une analyse locale des pathologies." Université Louis Pasteur (Strasbourg) (1971-2008), 2005. https://publication-theses.unistra.fr/public/theses_doctorat/2005/LAMY_Julien_2005.pdf.

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Le cancer du côlon est un des types de cancer les plus fréquents dans le monde,tous sexes confondus. L'examen standard pour la détection de structures cancéreuses ou pré-cancéreuses est la coloscopie optique, peu agréable pour le patient, et pouvant présenter des risques de perforation du côlon. Il est de plus souvent impossible d'atteindre le cæcum, ce qui rend une analyse complète impossible. Les techniques de coloscopie virtuelle, apparues depuis une dizaine d'années,permettent de remplacer l'examen de coloscopie optique par un examen CT-Scan ou IRM. Un médecin peut alors réaliser une navig
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46

Östh, John. "Home, Job and Space : Mapping and Modeling the Labor Market." Doctoral thesis, Uppsala universitet, Kulturgeografiska institutionen, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-7449.

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How does space affect individuals’ outcome on the labor market? And how do we measure it? Beyond the notion of the labor market as a system of supply and demand, lays a society of individuals and workplaces, whose relationships are undeniably complex. This thesis aims to shed some new light on how to investigate and analyze the complex labor market relationships from a spatial perspective. In this thesis, five self-contained articles describe the spatial relationship between individuals and workplaces. In the first article, the official delineation of local labor market areas is tested against
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Gavira, Romero Alberto. "Cellular approximations of infinite loop spaces and classifying spaces." Doctoral thesis, Universitat Autònoma de Barcelona, 2014. http://hdl.handle.net/10803/133278.

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Dado un espacio topológico punteado A, E. Dror-Farjoun introduce en 1995 la noción de A-homotopía, donde A y sus suspensiones juegan el mismo papel que las esferas en homotopía clásica. Por tanto se definen los grupos de A-homotopía de un espacio punteado X como las clases de homotopía de aplicaciones definidas desde las suspensiones de A a X. La idea de CW-complejo es sustituida por la de espacio A-celular, i.e., un espacio construido mediante ciertos colímites homotópicos punteados de A de manera iterada. El concepto de aproximación celular es remplazada por la de aproximación A-celular, est
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48

Denniston, Jeffrey T. "A Study of Subsystems of Topological Systems Motivated by the Question of Discontinuity in TopSys." Kent State University / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=kent1497095905660085.

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Balado, Suárez Luz. "Evaluación de los protocolos de acceso al medio CSMA/CD (acceso multiple con escuha de canal y detección de colisión) y paso de testigo, en redes locales con topologia bus." Doctoral thesis, Universitat Politècnica de Catalunya, 1987. http://hdl.handle.net/10803/5900.

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El objetivo de la tesis es crear una herramienta de evaluación de prestaciones de redes de área local a nivel MAC para los mecanismos de acceso múltiple aleatorio y con control mediante paso de testigo. <br/>La metodología de evaluación se basa en la obtención de modelos analíticos y de simulación y su contratación con resultados experimentales. En acceso aleatorio se aportan modelos analíticos de características caudal-retardo explicitas para los protocolos CSMA/CD en función del concepto de persistencia del acceso.<br/>Del mecanismo de paso de testigo se estudia la dependencia estadística
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Balado, Suarez Luz María. "Evaluación de los protocolos de acceso al medio CSMA/CD (acceso multiple con escuha de canal y detección de colisión) y paso de testigo, en redes locales con topologia bus." Doctoral thesis, Universitat Politècnica de Catalunya, 1987. http://hdl.handle.net/10803/5900.

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El objetivo de la tesis es crear una herramienta de evaluación de prestaciones de redes de área local a nivel MAC para los mecanismos de acceso múltiple aleatorio y con control mediante paso de testigo. La metodología de evaluación se basa en la obtención de modelos analíticos y de simulación y su contratación con resultados experimentales. En acceso aleatorio se aportan modelos analíticos de características caudal-retardo explicitas para los protocolos CSMA/CD en función del concepto de persistencia del acceso.Del mecanismo de paso de testigo se estudia la dependencia estadística introducid
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