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Dissertations / Theses on the topic 'Symmetry center'

Author: Grafiati
Published: 5 June 2025
Last updated: 15 July 2025

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1

Cherman, Aleksey, Srimoyee Sen, Mithat Ünsal, Michael L. Wagman, and Laurence G. Yaffe. "Order Parameters and Color-Flavor Center Symmetry in QCD." AMER PHYSICAL SOC, 2017. http://hdl.handle.net/10150/626283.

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Common lore suggests that N-color QCD with massive quarks has no useful order parameters that can be nontrivial at zero baryon density. However, such order parameters do exist when there are n(f) quark flavors with a common mass and d equivalent to gcd(n(f), N) > 1. These theories have a Z(d) color-flavor center symmetry arising from intertwined color center transformations and cyclic flavor permutations. The symmetry realization depends on the temperature, baryon chemical potential, and value of n(f)/N, with implications for conformal window studies and dense quark matter.
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2

Dong, Wei. "Chinese Cultural Center." VCU Scholars Compass, 1988. http://scholarscompass.vcu.edu/etd/677.

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During this period of high technology, designers are eager to create environments that have strong emotional appeal to people's physiology and psychology. Our exploration of the natural living space has become all the more an elusive search as modern technology advances. Interior design, in its concern for environmental engineering, endeavors to exploit the spiritual aspect of human resources. Through this message, people are inspired to higher planes of existence.A. PROJECT To design a Chinese Cultural center. B. PURPOSE 1. To introduce the traditional and contemporary Chinese culture to
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3

Roy, Christian. "The Origin of Wave Blocking for a Bistable Reaction-Diffusion Equation : A General Approach." Thèse, Université d'Ottawa / University of Ottawa, 2012. http://hdl.handle.net/10393/22704.

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Mathematical models displaying travelling waves appear in a variety of domains. These waves are often faced with different kinds of perturbations. In some cases, these perturbations result in propagation failure, also known as wave-blocking. Wave-blocking has been studied in the case of several specific models, often with the help of numerical tools. In this thesis, we will display a technique that uses symmetry and a center manifold reduction to find a criterion which defines regions in parameter space where a wave will be blocked. We focus on waves with low velocity and small symmetry-breaki
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4

Neu, Christopher C. "A Search for the Higgs Boson in proton - antiproton collisions at center-of-mass energy of 1.8 TeV." The Ohio State University, 2003. http://rave.ohiolink.edu/etdc/view?acc_num=osu1060026826.

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5

Wu, Kejia. "An Urban Edge for Innovation & Reservation: create a figurative stage for students to perform their lives." Thesis, Virginia Tech, 2010. http://hdl.handle.net/10919/36175.

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The architect, as a coordinator of complex conditions and different disciplines, has a role in the development of the master plan for the entire site, balancing technical innovation with appreciation for cultural inheritance. This thesis attempts to explore approaches to design decision making, as a response to a project's site, its history, and the larger cultural context. The above issues are investigated through the design of a multipurpose building at the east end of the Drillfield on the Virginia Tech campus in Blacksburg, Virginia. The building will form a "stage" to accommodate the dai
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6

Hallani, Rawad Kamal. "Designing Anthradithiophene Derivatives Suitable For Applications in Organic Electronics and Optoelectronics." UKnowledge, 2015. http://uknowledge.uky.edu/chemistry_etds/61.

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Anthradithiophene (ADT) derivatives have proven to be a front-runner in the world of small molecule semiconductors for organic electronics and optoelectronics. This is mainly due to the improved stability, easy tuning of chemical and physical properties, and impressive device performance that these molecules possess, especially in organic field effect transistors (OFET) and organic photovoltaics (OPV). The second chapter of this dissertation shows that reducing the amount of alkylsilylethynyl groups, used for functionalizing and solubilizing the ADT backbone, does alter the chemical, physical
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7

NARDELLO, Francesca. "Human locomotion: centre of mass and symmetry." Doctoral thesis, Università degli Studi di Verona, 2010. http://hdl.handle.net/11562/341818.

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In ambito di ricerca (clinica e sportiva), la necessità di sviluppare un approccio ‘multilaterale’ (qualitativo e quantitativo) che caratterizzi matematicamente la traiettoria tri-dimensionale di una variabile fisica assolutamente importante ma spesso dimenticata, quale il centro di massa corporeo (CMC) (ovvero, il punto immaginario assimilabile al corpo umano in cui si suppone che tutte le masse corporee stiano concentrate), diviene oggi sempre più impellente e quanto mai urgente. Pertanto l’obiettivo di questo dottorato, perseguito tramite un differente utilizzo delle classiche metodologie
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8

Simonetti, Emeline. "Contribution au développement et à la validation de méthodes fondées sur la technologie embarquée pour l'analyse quantitative de la locomotion et la rééducation fonctionnelle de la personne amputée de membre inférieur." Thesis, Paris, HESAM, 2020. http://www.theses.fr/2020HESAE052.

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Un des objectifs majeurs de la rééducation des personnes amputées de membre inférieur appareillées est le retour à une marche physiologique, efficace énergétiquement et minimisant le risque de chutes lié à la perte d’équilibre. Peu d’outils cliniques permettent aujourd’hui de quantifier ces aspects de la locomotion. L’émergence de capteurs embarqués miniaturisés offre des opportunités pour la description quantitative et écologique de la marche. Dans ce contexte, l’objectif de la thèse était de contribuer au développement de protocoles embarqués pour apporter des données quantitatives pertinent
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9

Gürel, Aliekber Ramakrishnan Dinakar Ramakrishnan Dinakar. "An exact average formula for the symmetric square L-function at the center /." Diss., Pasadena, Calif. : California Institute of Technology, 2008. http://resolver.caltech.edu/CaltechETD:etd-02042008-154002.

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10

Fernandes, Wilker Thiago Resende. "Centers and isochronicity of some polynomial differential systems." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/55/55135/tde-12092017-080613/.

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The center-focus and isochronicity problems are two classic problem in the qualitative theory of ordinary differential equations (ODEs). Although such problems have been studied during more than hundred years a complete understanding of them is far from be reached. Recently the computational algebra tools have been contributing significantly with the development of such problems. The aim of this thesis is to contribute with the studies of the center-focus and isochronicity problem. Using computational algebra tools we find conditions for the existence of two simultaneous centers for a family o
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11

Baier, Christel, Marcus Daum, Benjamin Engel, et al. "Chiefly Symmetric: Results on the Scalability of Probabilistic Model Checking for Operating-System Code." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2013. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-121319.

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Reliability in terms of functional properties from the safety-liveness spectrum is an indispensable requirement of low-level operating-system (OS) code. However, with evermore complex and thus less predictable hardware, quantitative and probabilistic guarantees become more and more important. Probabilistic model checking is one technique to automatically obtain these guarantees. First experiences with the automated quantitative analysis of low-level operating-system code confirm the expectation that the naive probabilistic model checking approach rapidly reaches its limits when increasing the
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12

Baier, Christel, Marcus Daum, Benjamin Engel, et al. "Chiefly Symmetric: Results on the Scalability of Probabilistic Model Checking for Operating-System Code." Technische Universität Dresden, 2012. https://tud.qucosa.de/id/qucosa%3A27132.

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Reliability in terms of functional properties from the safety-liveness spectrum is an indispensable requirement of low-level operating-system (OS) code. However, with evermore complex and thus less predictable hardware, quantitative and probabilistic guarantees become more and more important. Probabilistic model checking is one technique to automatically obtain these guarantees. First experiences with the automated quantitative analysis of low-level operating-system code confirm the expectation that the naive probabilistic model checking approach rapidly reaches its limits when increasing the
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13

Böhnisch, Torben. "C2-Symmetric Pyrazole-Bridged Ligands and Their Application in Asymmetric Transition-Metal Catalysis." Doctoral thesis, Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2015. http://hdl.handle.net/11858/00-1735-0000-0028-876A-6.

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14

Alic, Daniela Delia. "Theoretical issues in Numerical Relativity simulations." Doctoral thesis, Universitat de les Illes Balears, 2009. http://hdl.handle.net/10803/9438.

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In this thesis we address several analytical and numerical problems related with the general relativistic study of black hole space-times and boson stars. <br/>We have developed a new centered finite volume method based on the flux splitting approach. The techniques for dealing with the singularity, steep gradients and apparent horizon location, are studied in the context of a single Schwarzschild black hole, in both spherically symmetric and full 3D simulations. We present an extended study of gauge instabilities related with a class of singularity avoiding slicing conditions and show that, c
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15

SOAVE, NICOLA. "Variational and geometric methods for nonlinear differential equations." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2014. http://hdl.handle.net/10281/49889.

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This thesis is devoted to the study of several problems arising in the field of nonlinear analysis. The work is divided in two parts: the first one concerns existence of oscillating solutions, in a suitable sense, for some nonlinear ODEs and PDEs, while the second one regards the study of qualitative properties, such as monotonicity and symmetry, for solutions to some elliptic problems in unbounded domains. Although the topics faced in this work can appear far away one from the other, the techniques employed in different chapters share several common features. In the firts part, the variationa
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16

Kiely, Yagan M. "An exploration of octatonicism: From Liszt to Takemitsu." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2022. https://ro.ecu.edu.au/theses/2534.

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The octatonic pitch set can be found in the works of many composers since the early nineteenth century, often with different characteristics of the pitch set being exploited by the composers. Much of the literature on octatonicism relates to specific instances in compositions or a specific composer’s approach to it rather than exploring octatonicism from a more holistic perspective. This dissertation serves as a holistic resource for the characteristics of the octatonic pitch set; whether as a scale, especially with regards to common practice harmony; or an unordered set. It does this by consi
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17

Liang, Kai-Kuang, and 梁凱光. "Estimating a Symmetric Distribution with unknown Center of Symmetry." Thesis, 1994. http://ndltd.ncl.edu.tw/handle/55404048756839767833.

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碩士<br>淡江大學<br>數學系<br>82<br>In this paper we consider the problem of estimating the disribution function of a continuous symmetric distribution whenhe center of a symmetry is unknown. Various estimators have ben proposed for estimating the distribution function, includinghe well-known empirical distribution. When the center of symmery is known, in 1973, the symmetry property was utilized by Scuster in obtaining another estimator. When the center of symmery is unknown, in 1975, Schuster p
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18

Li, Chun-ta, and 李俊達. "A modified runs test for symmetry with unknown center." Thesis, 1999. http://ndltd.ncl.edu.tw/handle/51910032736702511544.

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碩士<br>淡江大學<br>數學學系<br>87<br>Runs test is one of the popular tests among nonparametric methods. It has been used for testing randomness against trend or cycle, or whether two samples come from the same population. McWilliams (1990) proposed a simple test for testing symmetry abort a known center based on a run statistic. And Modarres and Gastwirth (1996) later gave a modified version of this test which improves the power. Both of these papers focused on the case of a known median. In this paper we explore the situation when the center of symmetry is unknown. The basic idea is to esti
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19

Yang, Shing Long, and 楊興隆. "The Link Center of Symmetric Polygons." Thesis, 1997. http://ndltd.ncl.edu.tw/handle/71818136841737131568.

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20

Trewartha, Daniel. "Centre vortices underpin dynamical chiral symmetry breaking in SU(3) gauge theory." Thesis, 2016. http://hdl.handle.net/2440/100768.

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The dynamical breaking of chiral symmetry is one of the key phenomena in QCD. It plays a vital role in explaining the QCD spectrum. The dynamical mass generation associated with the breaking of chiral symmetry is responsible for almost all of the mass of ground-state hadrons. The fundamental objects responsible for dynamical chiral symmetry breaking, however, remain elusive. In this thesis, we investigate the role of a class of topological objects, centre vortices, in dynamical chiral symmetry breaking in SU(3) gauge theory using lattice gauge theory. We describe in detail an algorithm for ide
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21

Wu, Szu-Han, and 伍思翰. "Gait Recognition Using Three-Patch Center-Symmetric Local Ternary Pattern." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/33062472428812528508.

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碩士<br>國立高雄大學<br>電機工程學系碩士班<br>104<br>Gait recognition is a newly merged biometrics which utilizes the manner of walking to recognize an individual. Compared with other biometrics, it is more difficult to disguise. In addition, gait can be captured in a distance by using low-resolution capturing devices. In this paper, we present a novel texture descriptor called patch-based center-symmetric local ternary pattern for feature extraction to recognize a person's identity of a gait image. The experimental results demonstrate that our proposed approach outperforms other gait recognition methods in bo
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22

Tysse, Jill Elizabeth. "The centers of spin symmetric and spin hyperoctahedral group algebras /." 2008. http://wwwlib.umi.com/dissertations/fullcit/3322506.

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23

Gurel, Aliekber. "An Exact Average Formula for the Symmetric Square L-Function at the Center." Thesis, 2008. https://thesis.library.caltech.edu/497/1/SymSqL.pdf.

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<p>In this thesis, we find an exact formula for the weighted average of the symmetric square L-values at the center. The average is taken over a Hecke eigen basis of cusp forms of SL<sub>2</sub>(Z) with a fixed weight 2k. The weights are the n-th Fourier Coefficients of these functions. The terms in the formula involve quadratic Dirichlet L-values at the center, Confluent Hypergeometric functions, and some arithmetic functions.</p> <p>The main ingredient, and the starting point, is a formula due Shimura, which relates the symmetric square L-function of a Hecke eigen form f to the inner prod
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24

Chen, Yun-Ru, and 陳韻如. "Estiamtion of Quantile and Trimmed Variance by the Symmetric Quantile When the Center of Distribution is known." Thesis, 1998. http://ndltd.ncl.edu.tw/handle/39073637179069629294.

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碩士<br>國立交通大學<br>統計學類<br>86<br>With the assumption of known the center of the distribution of a random variable, we study the estimation of population quantile and a trimmed population variance. For estimating the population quantile function for the symmetric location model, we show that the sample symmetric quantile is asymptotically more efficient in the sense of smaller asymptotic variance and then shorter confidence interval than those by the ordinary sample quantile. For estimation of
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25

Smith, Dominik [Verfasser]. "Lattice simulation of a center symmetric three dimensional effective theory for SU(2) Yang-Mills / von Dominik Smith." 2010. http://d-nb.info/1004268319/34.

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26

Hong, Kyu Sik. "An exegetical reading of the Abraham narrative in Genesis : semantic, textuality and theology." Thesis, 2008. http://hdl.handle.net/2263/25015.

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This thesis is basically an exegetical work investigating the Abraham narrative (Gen 11:27-25:11) in Genesis in a sense of a text-centered approach, which aims to the Sitz im Text not to reconstruct the early Sitz im Leben of the narrative. In other words, this study seeks primarily to interpret the final form of the narrative as the locus of revelation. Taking the adages ‘no text is an island,’ ‘let the text speak for itself’ as its point of departure, this study focuses on the question how the individual episodes in the Abraham narrative are played by texts in Genesis and in the larger liter
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27

Shet, Tukaram. "Investigations into the Microstructure Dependent Dielectric, Piezoelectric, Ferroelectric and Non-linear Optical Properties of Sr2Bi4Ti5O18 Ceramics." Thesis, 2017. http://etd.iisc.ac.in/handle/2005/3269.

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Ferroelectric materials are very promising for a variety of applications such as high-permittivity capacitors, ferroelectric memories, pyroelctric sensors, piezoelectric and electrostrictive transducers and electro-optic devices, etc. In the area of ferroelectric ceramics, lead-based compounds, which include lead zirconatetitanate (PZT) solid solutions, occupy an important place because of their superior physical properties. However, due to the toxicity of lead, there is an increasing concern over recycling and disposing of the devices made out of these compounds, which has compelled the resea
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28

Shet, Tukaram. "Investigations into the Microstructure Dependent Dielectric, Piezoelectric, Ferroelectric and Non-linear Optical Properties of Sr2Bi4Ti5O18 Ceramics." Thesis, 2017. http://hdl.handle.net/2005/3269.

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Ferroelectric materials are very promising for a variety of applications such as high-permittivity capacitors, ferroelectric memories, pyroelctric sensors, piezoelectric and electrostrictive transducers and electro-optic devices, etc. In the area of ferroelectric ceramics, lead-based compounds, which include lead zirconatetitanate (PZT) solid solutions, occupy an important place because of their superior physical properties. However, due to the toxicity of lead, there is an increasing concern over recycling and disposing of the devices made out of these compounds, which has compelled the resea
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