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Tesi sul tema "Moments Models"

Autore: Grafiati
Pubblicato: 25 gennaio 2025
Ultima modifica: 31 luglio 2025

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1

Ragusa, Giuseppe. "Essays on moment conditions models econometrics /." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 2005. http://wwwlib.umi.com/cr/ucsd/fullcit?p3170252.

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2

Benigni, Lucas. "Dynamics of eigenvectors of random matrices and eigenvalues of nonlinear models of matrices." Thesis, Sorbonne Paris Cité, 2019. http://www.theses.fr/2019USPCC003/document.

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Cette thèse est constituée de deux parties indépendantes. La première partie concerne l'étude des vecteurs propres de matrices aléatoires de type Wigner. Dans un premier temps, nous étudions la distribution des vecteurs propres de matrices de Wigner déformées, elles consistent en une perturbation d'une matrice de Wigner par une matrice diagonale déterministe. Si les deux matrices sont du même ordre de grandeur, il a été prouvé que les vecteurs propres se délocalisent complètement et les valeurs propres rentrent dans la classe d'universalité de Wigner-Dyson-Mehta. Nous étudions ici une phase in
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3

Gabriel, Christian [Verfasser], Jörg [Akademischer Betreuer] Laitenberger, and Claudia [Akademischer Betreuer] Becker. "Bond yields : models and moments / Christian Gabriel. Betreuer: Jörg Laitenberger ; Claudia Becker." Halle, Saale : Universitäts- und Landesbibliothek Sachsen-Anhalt, 2015. http://d-nb.info/1072072807/34.

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4

Gabriel, Christian Verfasser], Jörg [Akademischer Betreuer] [Laitenberger, and Claudia [Akademischer Betreuer] Becker. "Bond yields : models and moments / Christian Gabriel. Betreuer: Jörg Laitenberger ; Claudia Becker." Halle, Saale : Universitäts- und Landesbibliothek Sachsen-Anhalt, 2015. http://nbn-resolving.de/urn:nbn:de:gbv:3:4-14548.

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5

Podosinnikova, Anastasia. "Sur la méthode des moments pour l'estimation des modèles à variables latentes." Thesis, Paris Sciences et Lettres (ComUE), 2016. http://www.theses.fr/2016PSLEE050/document.

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Les modèles linéaires latents sont des modèles statistique puissants pour extraire la structure latente utile à partir de données non structurées par ailleurs. Ces modèles sont utiles dans de nombreuses applications telles que le traitement automatique du langage naturel et la vision artificielle. Pourtant, l'estimation et l'inférence sont souvent impossibles en temps polynomial pour de nombreux modèles linéaires latents et on doit utiliser des méthodes approximatives pour lesquelles il est difficile de récupérer les paramètres. Plusieurs approches, introduites récemment, utilisent la méthode
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6

Augustine-Ohwo, Odaro. "Estimating break points in linear models : a GMM approach." Thesis, University of Manchester, 2016. https://www.research.manchester.ac.uk/portal/en/theses/estimating-break-points-in-linear-models-a-gmm-approach(804d83e3-dad8-4cda-b1e1-fbfce7ef41b8).html.

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In estimating econometric time series models, it is assumed that the parameters remain constant over the period examined. This assumption may not always be valid when using data which span an extended period, as the underlying relationships between the variables in these models are exposed to various exogenous shifts. It is therefore imperative to examine the stability of models as failure to identify any changes could result in wrong predictions or inappropriate policy recommendations. This research proposes a method of estimating the location of break points in linear econometric models with
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7

Peterson, Kevin G. "Rolling moments and aerodynamic time scales for a model with a moving nose stagnation point." Thesis, Georgia Institute of Technology, 1996. http://hdl.handle.net/1853/12048.

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8

Smith, Nigel Stuart Allen. "Development of the conditional moment closure method for modelling turbulent combustion." Phd thesis, Department of Mechanical and Mechatronic Engineering, 1994. http://hdl.handle.net/2123/8917.

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9

Osypenko, Volodymyr, and Gregory Ivachnenko. "Algorithm for intelligent prediction of failure moments in computer systems." Thesis, Київський національний університет технологій та дизайну, 2021. https://er.knutd.edu.ua/handle/123456789/19177.

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10

Marmin, Arthur. "Rational models optimized exactly for solving signal processing problems." Electronic Thesis or Diss., université Paris-Saclay, 2020. http://www.theses.fr/2020UPASG017.

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Une vaste classe de problèmes d'optimisation non convexes est celle de l'optimisation rationnelle. Cette dernière apparaît naturellement dans de nombreux domaines tels que le traitement du signal ou le génie des procédés. Toutefois, trouver les optima globaux pour ces problèmes est difficile. Une approche récente, appelée la hiérarchie de Lasserre, fournit néanmoins une suite de problèmes convexes assurée de converger vers le minimum global. Cependant, cette approche représente un défi calculatoire du fait de la très grande dimension de ses relaxations. Dans cette thèse, nous abordons ce défi
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11

Herrmann, Klaus [Verfasser]. "Maximum Entropy Models for Time-Varying Moments applied to Daily Financial Returns / Klaus Herrmann." Aachen : Shaker, 2011. http://d-nb.info/1074087976/34.

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12

Tartakovsky, Daniel. "Prediction of transient flow in random porous media by conditional moments." Diss., The University of Arizona, 1996. http://etd.library.arizona.edu/etd/GetFileServlet?file=file:///data1/pdf/etd/azu_e9791_1996_263_sip1_w.pdf&type=application/pdf.

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13

Tao, Ji. "Spatial econometrics models, methods and applications /." Connect to this title online, 2005. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1118957992.

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Thesis (Ph. D.)--Ohio State University, 2005.<br>Title from first page of PDF file. Document formatted into pages; contains x, 140 p. Includes bibliographical references (p. 137-140). Available online via OhioLINK's ETD Center
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14

Glossop, Matthew T. "Theoretical studies of Anderson impurity models." Thesis, University of Oxford, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.365734.

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15

Roux, Hannaline. "Construction and parameter estimation of wrapped normal models." Diss., University of Pretoria, 2019. http://hdl.handle.net/2263/77880.

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If a known distribution on a real line is given, it can be wrapped on the circumference of a unit circle. This research entails the study of a univariate skew-normal distribution where the skew-normal distribution is generalised for the case of bimodality. Both the skew-normal and exible generalised skew-normal distributions are wrapped onto a unit circle, consequently referred to as a wrapped skew-normal and a wrapped exible generalised skew-normal distribution respectively. For each of these distributions a simulation study is conducted, where the performance of maximum likelihood
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16

Qin, Lihai. "Development of Reduced-Order Models for Lift and Drag on Oscillating Cylinders with Higher-Order Spectral Moments." Diss., Virginia Tech, 2004. http://hdl.handle.net/10919/29542.

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An optimal solution of vortex-induced vibrations of structures would be a time-domain numerical simulation that simultaneously solves the fluid flow and structural response. Yet, the requirements in terms of computing power remains a major obstacle for implementing such a simulation. On the other hand, lower- or reduced-order models provide an alternative for determining structural response to forcing by fluid flow. The objective of this thesis is to provide a consistent approach for the development of reduced-order models for the lift and drag on oscillating cylinders and the identification o
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17

Liu, Xiaodong. "Econometrics on interactions-based models methods and applications /." Columbus, Ohio : Ohio State University, 2007. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1180283230.

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18

Maússe, Celestino Fernando. "Use of artificial neural network models to derive particle size distributions and their moments from chord length distributions." Master's thesis, University of Cape Town, 2006. http://hdl.handle.net/11427/5296.

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Includes bibliographical references (leaves 121-123).<br>The objective of this study was to develop a method for in-lie measurement of a particle size distribution (PSD) of suspended solids and its moments. This was part of a wider study, the aim of which was to develop a system for controlling a crystallisation process. The control strategy to be used is dependent on kinetic models of the process. These are in turn dependent on the zeroth to fifth moments of the particle size distribution and the supersaturation levels of the solution. In order to apply advanced control to a process, continuo
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19

Izadi, Saeed. "Optimal Point Charge Approximation: from 3-Atom Water Molecule to Million-Atom Chromatin Fiber." Diss., Virginia Tech, 2016. http://hdl.handle.net/10919/81539.

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Atomistic modeling and simulation methods enable a modern molecular approach to bio-medical research. Issues addressed range from structure-function relationships to structure-based drug design. The ability of these methods to address biologically relevant problems is largely determined by their accurate treatment of electrostatic interactions in the target biomolecular structure. In practical molecular simulations, the electrostatic charge density of molecules is approximated by an arrangement of fractional "point charges" throughout the molecule. While chemically intuitive and straightforwar
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20

Rudberg, Olov, and Daniel Bezaatpour. "Regional Rainfall Frequency Analysis." Thesis, Stockholms universitet, Statistiska institutionen, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-186813.

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Frequency analysis is a vital tool when nding a well-suited probability distributionin order to predict extreme rainfall. The regional frequency approach have beenused for determination of homogeneous regions, using 11 sites in Skane, Sweden. Todescribe maximum annual daily rainfall, the Generalized Logistic (GLO), GeneralizedExtreme Value (GEV), Generalized Normal (GNO), Pearson Type III (PE3),and Generalized Pareto (GPA) distributions have been considered. The method ofL-moments have been used in order to nd parameter estimates for the candidatedistributions. Heterogeneity measures, goodness
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21

Mattila, Robert. "Hidden Markov models : Identification, control and inverse filtering." Licentiate thesis, KTH, Reglerteknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-223683.

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The hidden Markov model (HMM) is one of the workhorse tools in, for example, statistical signal processing and machine learning. It has found applications in a vast number of fields, ranging all the way from bioscience to speech recognition to modeling of user interactions in social networks. In an HMM, a latent state transitions according to Markovian dynamics. The state is only observed indirectly via a noisy sensor – that is, it is hidden. This type of model is at the center of this thesis, which in turn touches upon three main themes. Firstly, we consider how the parameters of an HMM can b
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22

Dias, Daniel Alexandre Baptista. "Testes de especificação ao modelo de Hazard proporcional." Master's thesis, Instituto Superior de Economia e Gestão, 2005. http://hdl.handle.net/10400.5/13257.

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Mestrado em Econometria Aplicada e Previsão<br>O estudo dos factores que influenciam o tempo entre dois acontecimentos é um tópico comum a vários ramos das ciências económicas. Na literatura, este tipo de análise é conhecida por "Análise da Duração n e os modelos estatísticos/econométricos que lhe estão associados são os "Modelos de Duroção". No trabalho que se segue iremos apresentar mn conjunto de testes de especificação ao modelo de Hazard Pro­ porcional assim como iremos analisar as propriedades de amostras finitas de testes de especificação gerais, em particular, testes de momentos condic
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23

Badinger, Harald, and Peter Egger. "Estimation and Testing of Higher-Order Spatial Autoregressive Panel Data Error Component Models." Springer, 2013. http://epub.wu.ac.at/5468/1/JoGS_2012.pdf.

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This paper develops an estimator for higher-order spatial autoregressive panel data error component models with spatial autoregressive disturbances, SARAR(R,S). We derive the moment conditions and optimal weighting matrix without distributional assumptions for a generalized moments (GM) estimation procedure of the spatial autoregressive parameters of the disturbance process and define a generalized two-stage least squares estimator for the regression parameters of the model. We prove consistency of the proposed estimators, derive their joint asymptotic distribution, and provide Monte Carlo evi
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24

Xu, Xingbai Xu. "Asymptotic Analysis for Nonlinear Spatial and Network Econometric Models." The Ohio State University, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=osu1461249529.

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25

Vigier, Thomas. "Méthodes numériques préservant l’asymptotique pour des modèles aux moments de la physique des plasmas." Electronic Thesis or Diss., Bordeaux, 2024. http://www.theses.fr/2024BORD0477.

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Dans le cadre de la recherche pour la production d’énergie par fusion par confinement inertiel, le développement de nouvelles méthodes numériques est primordial. En effet, les simulations permettent non seulement d’affiner la compréhension des phénomènes physiques complexes ayant lieu sous les conditions thermodynamiques extrêmes nécessaires à la fusion, mais aussi d’aider à la conception de nouveaux dispositifs expérimentaux. Au sein des simulations numériques pour la fusion, le calcul du flux de chaleur des électrons est un enjeu central. Du fait des conditions extrêmes de la matière, la thé
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26

Tranchida, Julien. "Multiscale description of dynamical processes in magnetic media : from atomistic models to mesoscopic stochastic processes." Thesis, Tours, 2016. http://www.theses.fr/2016TOUR4027/document.

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Les propriétés magnétiques détaillées des solides peuvent être vu comme le résultat de l'interaction de plusieurs sous-systèmes: celui des spins effectifs, portant l'aimantation, celui des électrons et celui du réseau crystallin. Différents processus permettent à ces sous-systèmes d'échanger de l'énergie. Parmis ceux-ci, les phénomènes de relaxation jouent un rôle prépondérants. Cependant, la complexité de ces processus en rend leur modélisation ardue. Afin de prendre en compte ces interactions de façon abordable aux calculs, l'approche de Langevin est depuis longtemps appliquée à la dynamique
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27

Withers, Ian Michael. "A computer simulation study of tilted smectic mesophases." Thesis, Sheffield Hallam University, 2000. http://shura.shu.ac.uk/20557/.

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Results are presented from a series of simulations undertaken to determine the effect of a novel form of molecular biaxiality upon the phase behaviour of the well established Gay-Berne (GB) liquid crystal model. Firstly, the simulation of a bulk system interacting via the Internally-Rotated Gay-Berne (IRGB) potential, which offers a single-site representation of a molecule rigidly constrained into a zig-zag conformation, is presented. The results of simulations performed for systems of IRGB particles with an aspect ratio of 3:1 confirm that the introduction of biaxiality into the model results
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28

Thurston, David Curtis. "A generalized method of moments comparison of several discrete time stochastic models of the term structure in the Heath-Jarrow-Morton arbitrage-based framework." Diss., The University of Arizona, 1992. http://hdl.handle.net/10150/185902.

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This paper tests a new methodology; the discrete time no arbitrage-based model of Heath, Jarrow and Morton (HJM). From within Ho and Lee's framework, HJM's model is shown to encompass Ho and Lee's AR model as a special case. Several discrete stochastic models of the term structure based on restrictions placed on the variance of the forward rate process are discussed. These models are tested in HJM's no arbitrage-based framework. For testing, it is necessary to use current bond prices to substitute out for the market price of risk implied in the initial term structure. In this way, additional c
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29

Badinger, Harald, and Peter Egger. "Fixed Effects and Random Effects Estimation of Higher-Order Spatial Autoregressive Models with Spatial Autoregressive and Heteroskedastic Disturbances." WU Vienna University of Economics and Business, 2014. http://epub.wu.ac.at/4126/1/wp173.pdf.

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This paper develops a unified framework for fixed and random effects estimation of higher-order spatial autoregressive panel data models with spatial autoregressive disturbances and heteroskedasticity of unknown form in the idiosyncratic error component. We derive the moment conditions and optimal weighting matrix without distributional assumptions for a generalized moments (GM) estimation procedure of the spatial autoregressive parameters of the disturbance process and define both a random effects and a fixed effects spatial generalized two-stage least squares estimator for the regression pa
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30

Escrihuela, Marc Canton. "Calculations of proton chemical shifts in olefins and aromatics." Thesis, University of Liverpool, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.367025.

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31

Broizat, Damien. "Existence, unicité, approximations de solutions d'équations cinétiques et hyperboliques." Phd thesis, Université Nice Sophia Antipolis, 2013. http://tel.archives-ouvertes.fr/tel-00916993.

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Les travaux de cette thèse s'inscrivent dans le contexte des systèmes de particules. Nous considérons différents systèmes physiques, décrits de manière continue, et dont la dynamique est modélisée par des équations aux dérivées partielles décrivant l'évolution temporelle de certaines quantités macroscopiques ou microscopiques, selon l'échelle de description envisagée. Dans une première partie, nous nous intéressons à une équation de type coagulation-fragmentation cinétique. Nous obtenons un résultat d'existence globale en temps, dans le cadre des solutions renormalisées de DiPerna-Lions, pour
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32

Saeed, Usman. "Adaptive numerical techniques for the solution of electromagnetic integral equations." Diss., Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/41173.

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Various error estimation and adaptive refinement techniques for the solution of electromagnetic integral equations were developed. Residual based error estimators and h-refinement implementations were done for the Method of Moments (MoM) solution of electromagnetic integral equations for a number of different problems. Due to high computational cost associated with the MoM, a cheaper solution technique known as the Locally-Corrected Nyström (LCN) method was explored. Several explicit and implicit techniques for error estimation in the LCN solution of electromagnetic integral equations were pro
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33

Knichel, Lukas Daniel [Verfasser], Peter [Gutachter] Eichelsbacher, and Michael [Gutachter] Voit. "Fine asymptotics for models with gamma type moments and rates of convergence on Wiener space / Lukas Daniel Knichel ; Gutachter: Peter Eichelsbacher, Michael Voit ; Fakultät für Mathematik." Bochum : Ruhr-Universität Bochum, 2019. http://d-nb.info/118268226X/34.

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34

Knichel, Lukas [Verfasser], Peter [Gutachter] Eichelsbacher, and Michael [Gutachter] Voit. "Fine asymptotics for models with gamma type moments and rates of convergence on Wiener space / Lukas Daniel Knichel ; Gutachter: Peter Eichelsbacher, Michael Voit ; Fakultät für Mathematik." Bochum : Ruhr-Universität Bochum, 2019. http://d-nb.info/118268226X/34.

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35

Naylor, Guilherme Lima. "O impacto das instituições na renda dos países : uma abordagem dinâmica para dados em painel." Master's thesis, Instituto Superior de Economia e Gestão, 2021. http://hdl.handle.net/10400.5/21704.

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Mestrado em Econometria Aplicada e Previsão<br>As diferenças nos níveis de renda entre os países vêm sendo estudadas há muito tempo na economia. O capital humano, a produtividade, as instituições e outros fatores foram tidos como determinantes para as discrepâncias verificadas. Este trabalho segue a linha institucionalista ao procurar medir e relacionar o modo como as instituições impactam o nível de renda dos países.Primeiro, faz-se necessário rever brevemente a literatura sobre os modelos de crescimento econômico. Posteriormente, delimita-se o conceito de instituição e descreve-se seu proces
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36

Santos, Rute Andrade dos. "Engajamento no trabalho em um momento de reestruturação organizacional: composições e confrontos entre ordens sociais em uma concessionária de energia elétrica." Universidade Federal do Tocantins, 2017. http://hdl.handle.net/11612/668.

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Um novo modelo de acumulação de capital surgiu a partir da década de 1970, a “acumulação flexível”, utilizado por Harvey (1996) para definir o regime econômico da década referida, em que se assenta a perpetuação do capitalismo. Se propõe a discutir que não houve mudanças na personificação do capitalismo, já que seu fulcro permaneceu. Surgiram novas formas de capturar os sujeitos para a obtenção dos lucros, o chamado “novo espírito do capitalismo”, assim como relata Boltanski e Chiapello (2009). A partir de novas práticas e novos discursos o “novo espírito” seduz os trabalhadores contemporâneos
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37

Lin, Xu. "Essays on theories and applications of spatial econometric models." Columbus, Ohio : Ohio State University, 2006. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1147892372.

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38

Boaretto, Gilberto Oliveira. "Estimação de modelos DSGE usando verossimilhança empírica e mínimo contraste generalizados." Universidade de São Paulo, 2018. http://www.teses.usp.br/teses/disponiveis/96/96131/tde-29032018-161321/.

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O objetivo deste trabalho é investigar o desempenho de estimadores baseados em momentos das famílias verossimilhança empírica generalizada (GEL) e mínimo contraste generalizado (GMC) na estimação de modelos de equilíbrio geral dinâmico e estocástico (DSGE), com enfoque na análise de robustez sob má-especificação, recorrente neste tipo de modelo. Como benchmark utilizamos método do momentos generalizado (GMM), máxima verossimilhança (ML) e inferência bayesiana (BI). Trabalhamos com um modelo de ciclos reais de negócios (RBC) que pode ser considerado o núcleo de modelos DSGE, apresenta dificulda
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39

Queiroz, Manoel Moisés Ferreira de. "Análise de cheias anuais segundo distribuição generalizada." Universidade de São Paulo, 2002. http://www.teses.usp.br/teses/disponiveis/18/18138/tde-29032016-112620/.

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A análise de freqüência de cheias através da distribuição de probabilidade generalizada de valores extremos-GEV tem crescido nos últimos anos. A estimação de altos quantis de cheias é comumente praticada extrapolando o ajuste, representado por uma das 3 formas inversas de distribuição GEV, para períodos de retorno bem superiores ao período dos dados observados. Eventos hidrológicos ocorrem na natureza com valores finitos, tal que, seus valores máximos seguem a forma assintótica da GEV limitada. Neste trabalho estuda-se a estimabilidade da distribuição GEV através de momentos LH, usando séries
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40

Yau, Wai Chee, and waichee@ieee org. "Video Analysis of Mouth Movement Using Motion Templates for Computer-based Lip-Reading." RMIT University. Electrical and Computer Engineering, 2008. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20081209.162504.

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This thesis presents a novel lip-reading approach to classifying utterances from video data, without evaluating voice signals. This work addresses two important issues which are • the efficient representation of mouth movement for visual speech recognition • the temporal segmentation of utterances from video. The first part of the thesis describes a robust movement-based technique used to identify mouth movement patterns while uttering phonemes. This method temporally integrates the video data of each phoneme into a 2-D grayscale image named as a motion template (MT). This is a view-b
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41

Pichard, Teddy. "Mathematical modelling for dose depositon in photontherapy." Thesis, Bordeaux, 2016. http://www.theses.fr/2016BORD0177/document.

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Les traitements en radiothérapie consistent à irradier le patient avec desfaisceaux de particules énergétiques (typiquement des photons) ciblant la tumeur. Cesparticules sont transporté à travers le milieu et y dépose de l'énergie. Cette énergiedéposée, appelée la dose, est responsable des effets biologiques des radiations.Ce travail a pour but de développer des méthodes numériques de calcul etd'optimisation de la dose qui sont compétitives en termes de coût de calcul et de précisionpar rapport à des méthodes de référence.Le mouvement des particules est d'abord étudié via un système d'équation
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Guisset, Sébastien. "Modélisation et méthodes numériques pour l'étude du transport de particules dans un plasma chaud." Thesis, Bordeaux, 2016. http://www.theses.fr/2016BORD0117/document.

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Les modèles aux moments angulaires constituent des descriptions intermédiaires entre les modèles cinétiques et les modèles fluides. Dans ce manuscrit, les modèles aux moments angulaires basés sur un principe de minimisation d'entropie sont étudiés pour des applications en physique des plasmas. Ce mémoire se découpe en trois parties. La première est une contribution à la modélisation en physique des plasmas à travers le formalisme des modèles aux moments angulaires. Dans celle-ci, le domaine de validité de ces modèles est étudié en régimes non-collisionels. Il est également montré que les opéra
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43

Hasala, Ivo. "Nosná železobetonová konstrukce prodejny a skladu sportovního vybavení." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2014. http://www.nusl.cz/ntk/nusl-226726.

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In my master´s thesis I deal with static solution of basic elements of reinforced concrete building with two abovegrounds and one underground storey. The selected elements are piles, roof board D1, column S1 in 2NP, stairway SK1 in 1NP, beam Z1 in 2NP, wall ST6 in 2NP, exterier board near the steel stairway. The component of my master´s thesis is comparing of my own calculation of moments and computer calculation of roof board D1. In the last point I compare a behavior of the structure with solid support and with piles.
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44

Santos, George de Conto. "Electron and muon anomalous magnetic dipole moment in the 3-3-1 model with heavy leptons." Universidade Estadual Paulista (UNESP), 2018. http://hdl.handle.net/11449/153288.

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Submitted by GEORGE DE CONTO SANTOS null (georgedc@ift.unesp.br) on 2018-03-26T19:09:38Z No. of bitstreams: 1 Tese_doutorado.pdf: 1257592 bytes, checksum: 301d08e8373f7f6aeb4a2e0ce8f9f637 (MD5)<br>Approved for entry into archive by Hellen Sayuri Sato null (hellen@ift.unesp.br) on 2018-03-29T16:17:42Z (GMT) No. of bitstreams: 1 decontosantos_g_dr_ift.pdf: 1257592 bytes, checksum: 301d08e8373f7f6aeb4a2e0ce8f9f637 (MD5)<br>Made available in DSpace on 2018-03-29T16:17:42Z (GMT). No. of bitstreams: 1 decontosantos_g_dr_ift.pdf: 1257592 bytes, checksum: 301d08e8373f7f6aeb4a2e0ce8f9f637 (MD5)
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45

Wollny, Alexander. "Fractional Moments and Singular Field Response." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2017. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-219916.

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In this PhD thesis, the physics of vacancies in two-dimensional ordered Heisenberg antiferromagnets is investigated. We use semi-classical methods to study the influence of a single vacancy in long-range ordered states, with a focus on non-collinear order. Here, on a classical level, a magnetic distortion is created as the spins readjust in response to the vacancy. We use the non-collinear $120^\\circ$ state on the frustrated triangular lattice as an example, where we determine the impurity contributions to the magnetization and susceptibility. An important discovery is the vacancy moment not
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46

Hung, Chi-Hsiou. "CAPM, higher co-moment asset pricing models of stock returns and size, value and momentum strategies." Thesis, Lancaster University, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.429975.

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47

Vasconcelos, Gabriel Filipe Rodrigues. "Precificação de ativos sob qualquer distribuição de retornos: a derivação e aplicação do Omega Capital Asset Pricing Model (OCAPM)." Universidade Federal de Juiz de Fora (UFJF), 2013. https://repositorio.ufjf.br/jspui/handle/ufjf/2402.

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Submitted by Renata Lopes (renatasil82@gmail.com) on 2016-09-02T14:39:05Z No. of bitstreams: 1 gabrielfiliperodriguesvasconcelos.pdf: 1140696 bytes, checksum: e6bf5056f506b71583057bdeb7231773 (MD5)<br>Approved for entry into archive by Adriana Oliveira (adriana.oliveira@ufjf.edu.br) on 2016-09-06T14:17:29Z (GMT) No. of bitstreams: 1 gabrielfiliperodriguesvasconcelos.pdf: 1140696 bytes, checksum: e6bf5056f506b71583057bdeb7231773 (MD5)<br>Made available in DSpace on 2016-09-06T14:17:29Z (GMT). No. of bitstreams: 1 gabrielfiliperodriguesvasconcelos.pdf: 1140696 bytes, checksum: e6bf5056f506b7
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48

Palevičius, Valdemaras. "Žingsninio variklio dinamikos tyrimas." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2006. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2006~D_20060623_121553-25440.

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In work research of dynamics of the step motor is executed. Types step motor, ways of management, a design and parameters are described. Сonsistent to requirements and inquiries the software package „Mathlab R6.5“ is chosen. Using a software package „Mahtlab R6.5“ the model of the motor has been made and many experiments are executed. Schedules of transient and the frequency characteristic are considered, changing factor of attenuation and the moment of inertia of the step motor. The conclusion and theoretical results show opportunities of functioning of the step motor. Structure: introduction
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49

Roelofse, Emmalinde. "M3 strategic decision-making under uncertainty : modes, models, & momentum." Thesis, University of Newcastle upon Tyne, 2017. http://hdl.handle.net/10443/3909.

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The M3 theory contributes to new knowledge through original research and advanced scholarship by introducing a descriptive framework for strategic decision-making in uncertain and changing environments. Aided by the introduction of a Social Realism epistemology into management literature it is differentiated its ability to present complex strategic positions as essentialist (via modes), relative (via models), and dynamic (via momentum) to plot the dynamic trajectory of innovation emergence, change, adaptation and transformation over time. At a fundamental level, the M3 theory identifies a cons
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50

Nakamura, Gilberto Medeiros. "Teoria do momento angular em sistemas complexos." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/59/59135/tde-27072017-102616/.

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A emergência de fenômenos coletivos e correlações de longo alcance impossibilitam a inferência de propriedades de sistemas como um todo a partir de suas partes componentes. A modelagem destes sistemas frequentemente ocorre mediante emprego de operadores de spin localizados em grafos com topologias não-triviais. Aqui, mostramos que o operador de momento angular de muitos corpos une o estudo de diversos sistemas complexos, desde a sistemas epidêmicos até cadeias magnéticas de spin. Para o modelo epidêmico SIS, determinamos a matriz de transição do processo estocástico correspondente e mostramos
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