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Дисертації з теми "Rational"

Автор: Grafiati

Опубліковано: 4 червня 2021

Оновлено: 25 липня 2025

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1

車谷, 優樹. "Congurations of Rational Curves on Rational Elliptic Surfaces." 京都大学, 2014. http://hdl.handle.net/2433/214449.

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2

Campbell, Peter G. "Rational agency." Thesis, University of British Columbia, 1988. http://hdl.handle.net/2429/28592.

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It is claimed that action discourse provides us with a criterion of adequacy for a theory of action; that with action discourse we have a family of concepts which a theory of action must accommodate. After an exegesis of Davidson's essay "Agency", it is argued that his semantics of action is incompatible with our concepts of motivation and responsibility for action and of attributions of action and agency, and must, therefore, be rejected. A theory of rational agency is presented within which are to be found accounts of intention, coming to intend, intentional action, and an alternative semant

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3

McBurney, Peter John. "Rational interaction." Thesis, University of Liverpool, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.250477.

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4

Cao, Xinyu. "Rational spamming." Thesis, Massachusetts Institute of Technology, 2016. http://hdl.handle.net/1721.1/107528.

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Thesis: S.M. in Management Research, Massachusetts Institute of Technology, Sloan School of Management, 2016.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 57-58).<br>Advertising on social media faces a new challenge as consumers can actively choose which advertisers to follow. Tracking company accounts, owned by 93 TV shows on the most popular tweeting website in China, provides evidence that firms advertise intensively, although doing so appears to drive followers away. An analytical model suggests that consumers with limited attention may rationally

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5

Khodorovskiy, Tatyana. "Symplectic Rational Blow-Up and Embeddings of Rational Homology Balls." Thesis, Harvard University, 2012. http://dissertations.umi.com/gsas.harvard:10189.

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We define the symplectic rational blow-up operation, for a family of rational homology balls \(B_n\), which appeared in Fintushel and Stern's rational blow-down construction. We do this by exhibiting a symplectic structure on a rational homology ball \(B_n\) as a standard symplectic neighborhood of a certain 2-dimensional Lagrangian cell complex. We also study the obstructions to symplectically rationally blowing up a symplectic 4-manifold, i.e. the obstructions to symplectically embedding the rational homology balls \(B_n\) into a symplectic 4-manifold. First, we present a couple of results w

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6

Lazda, Christopher David. "Rational homotopy theory in arithmetic geometry : applications to rational points." Thesis, Imperial College London, 2014. http://hdl.handle.net/10044/1/24707.

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In this thesis I study various incarnations of rational homotopy theory in the world of arithmetic geometry. In particular, I study unipotent crystalline fundamental groups in the relative setting, proving that for a smooth and proper family of geometrically connected varieties f:X->S in positive characteristic, the rigid fundamental groups of the fibres X_s glue together to give an affine group scheme in the category of overconvergent F-isocrystals on S. I then use this to define a global period map similar to the one used by Minhyong Kim to study rational points on curves over number fields.

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7

Paradis, Philippe. "On the Rational Retraction Index." Thèse, Université d'Ottawa / University of Ottawa, 2012. http://hdl.handle.net/10393/23111.

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If X is a simply connected CW complex, then it has a unique (up to isomorphism) minimal Sullivan model. There is an important rational homotopy invariant, called the rational Lusternik–Schnirelmann of X, denoted cat0(X), which has an algebraic formulation in terms of the minimal Sullivan model of X. We study another such numerical invariant called the rational retraction index of X, denoted r0(X), which is defined in terms of the minimal Sullivan model of X and satisfies 0 ≤ r0(X) ≤ cat0(X). It was introduced by Cuvilliez et al. as a tool to estimate the rational Lusternik–Schnirelmann categor

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8

Yeung, R. Kacheong. "Stable rational interpolation." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape7/PQDD_0021/NQ46952.pdf.

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9

Barnes, David James. "Rational Equivariant Spectra." Thesis, University of Sheffield, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.486771.

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10

Hirsch, Benjamin. "Programming rational agents." Thesis, University of Liverpool, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.415743.

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11

Reyzin, Alissa Natanovna. "Rational secret sharing." Thesis, Massachusetts Institute of Technology, 2007. http://hdl.handle.net/1721.1/46511.

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Анотація:

Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2007.<br>Includes bibliographical references (p. 59-60).<br>Recent work has attempted to bridge the fields of Cryptography and Game Theory in order to create more robust protocols that allow for a variety of player types. A keystone functionality used in cryptography is Secret Sharing. While there are several well known, efficient protocols that implement Secret Sharing in the Cryptographic model, designing a Rational Secret Sharing protocol which works in the Game Theoretic model has

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12

Sørensen, Peter Norman. "Rational Social learning." Thesis, Massachusetts Institute of Technology, 1996. http://hdl.handle.net/1721.1/10833.

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13

Gillies, Anthony S. "Rational belief change." Diss., The University of Arizona, 2001. http://hdl.handle.net/10150/290412.

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Анотація:

We must change our beliefs, and change them in particular ways, in response to new information. But not all changes are created equal: some are rational changes, some not. The Problem of Epistemic Change is the problem of specifying the rational constraints on how the epistemic state of an agent ought to change in the face of new information. This dissertation is about the philosophical and logical investigation of rational belief change. I start by arguing that the familiar foundations---coherence distinction from static epistemology does not adequately carve up the logical space of theories

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14

Steele, Rachael Helen. "Deciding on crime? : rational vs. non-rational elements in offender decision making." Thesis, University of Liverpool, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.569518.

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This study examines the applicability of Rational Choice Theories of offending to offenders' actual offending experiences. The Rational Choice theoretical perspective is premised on the idea of the offender as a reasoning, decision-making individual who weighs up potential costs and benefits of a crime to achieve maximum utility. This approach to crime has been influential as part of the dominant ethos of the contemporary Criminal Justice system in England and Wales, and indeed the justice systems of most Western societies. This study relates the Rational Choice Theories of crime to individual

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15

Prendergast, Arthur Edward. "Extremal rational elliptic threefolds." Thesis, University of Cambridge, 2009. https://www.repository.cam.ac.uk/handle/1810/252154.

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16

Stepp, Todd Alan. "Scriptural and rational piety." 24-page ProQuest preview, 2007. http://proquest.umi.com/pqdweb?index=0&did=1375508181&SrchMode=1&sid=2&Fmt=14&VInst=PROD&VType=PQD&RQT=309&VName=PQD&TS=1220040920&clientId=10355.

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17

Critchley, Peter Joseph Paul. "Marx and rational freedom." Thesis, Manchester Metropolitan University, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.341087.

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18

Azar, Pablo Daniel. "Super-efficient rational proofs." Thesis, Massachusetts Institute of Technology, 2014. http://hdl.handle.net/1721.1/93052.

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Анотація:

Thesis: Ph. D., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, 2014.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 47-49).<br>Information asymmetry is a central problem in both computer science and economics. In many fundamental problems, an uninformed principal wants to obtain some knowledge from an untrusted expert. This models several real-world situations, such as a manager's relation with her employees, or the delegation of computational tasks to workers over the internet. Because the expert is unt

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19

Chan, Daniel Sai-Ping 1971. "Noncommutative rational double points." Thesis, Massachusetts Institute of Technology, 1999. http://hdl.handle.net/1721.1/85299.

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20

Ledberg, Emil. "Introduction to rational billiards." Thesis, Uppsala universitet, Tillämpad matematik och statistik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-352389.

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21

Mealand, David L. "Philosophy of rational belief." Thesis, University of Edinburgh, 1985. http://hdl.handle.net/1842/30501.

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22

Riedl, Eric. "Rational Curves on Hypersurfaces." Thesis, Harvard University, 2015. http://nrs.harvard.edu/urn-3:HUL.InstRepos:17467233.

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23

DEMEIO, JULIAN LAWRENCE. "Abundance of rational points." Doctoral thesis, Scuola Normale Superiore, 2021. http://hdl.handle.net/11384/109444.

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Анотація:

For a smooth algebraic variety X defined over a number field K, one could ask several questions about the abundance of its rational points. This thesis revolves, in particular, around the following three properties: Hilbert Property, weak approximation and strong approximation. The first concerns, more or less, the question of extending the Hilbert Irreducibility Theorem to an arbitrary X (in the sense that the parameters of the Theorem are allowed to vary through rational points of this variety), the interesting case being when X is non-rational, for otherwise one recovers precisely the

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24

Botbol, Nicolas. "Implicitization of rational maps." Paris 6, 2010. http://www.theses.fr/2010PA066266.

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Motivated by the interest in computing explicit formulas for resultants and discriminants we focus on the implicitization of hypersurfaces in several contexts. Implicitization means, given a rational map f:A^n-1->A^n, to compute an implicit equation H of the closed image of im(f). This is a classical problem and there are numerous approaches to its solution (cf. SC95 and Co01). However, it turns out that the implicitization problem is computationally difficult. Our approach is based on the use of linear syzygies by means of approximation complexes, following BuJo03, BC05, and Ch06, where th

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25

Su, Zhixu. "Rational homotopy type of manifolds." [Bloomington, Ind.] : Indiana University, 2009. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3378383.

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Анотація:

Thesis (Ph.D.)--Indiana University, Dept. of Mathematics, 2009.<br>Title from PDF t.p. (viewed on Jul 9, 2010). Source: Dissertation Abstracts International, Volume: 70-10, Section: B, page: 6263. Adviser: James F. Davis.

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26

Hanselmann, Markus Andreas. "Rational points on quartic hypersurfaces." Diss., lmu, 2012. http://nbn-resolving.de/urn:nbn:de:bvb:19-141630.

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27

Min, Guo-Hua. "Constructive approximation in rational systems." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0018/NQ37734.pdf.

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28

Treisman, Zachary. "Arc spaces and rational curves /." Thesis, Connect to this title online; UW restricted, 2006. http://hdl.handle.net/1773/5780.

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29

Martinie, Sherri L. "Middle school rational number knowledge." Diss., Manhattan, Kan. : Kansas State University, 2007. http://hdl.handle.net/2097/281.

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30

Conley, Tom. "Towards a rational industrial policy /." Title page, contents and introduction only, 1993. http://web4.library.adelaide.edu.au/theses/09AR/09arc7518.pdf.

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31

Ellis, April L. "Rational Design of Calcium Biosensors." Digital Archive @ GSU, 2008. http://digitalarchive.gsu.edu/chemistry_diss/25.

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Анотація:

Understanding the temporal and spatial changes in calcium concentration has been a difficult endeavor for many years due to the relatively small changes in calcium concentration during messenging events, the rapid changes upon physiological messenging, and the unavailability of fast, efficient, and sensitive sensors to detect calcium changes. In addition, the key factors in calcium binding have yet to be determined due to the metal-metal interactions, cooperativity, and conformational change involved in calcium binding to natural calcium-binding proteins. To overcome these obstacles and to eng

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32

Coward, Daniel R. "Sums of two rational cubes." Thesis, University of Oxford, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.320587.

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33

Muroni, Maurizio. "Rational design of artificial enzymes." Thesis, Cardiff University, 2011. http://orca.cf.ac.uk/55043/.

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Despite the endeavours of many decades, the design of artificial enzymes remains challenging. The work presented here investigates two known molecules as scaffolds for the design of artificial enzymes an 18 amino acids a helical peptide with two disulfide bridges - 'Apoxaldie' able to catalyse the decarboxylation of oxaloacetate, and the 86-amino acid colicin E9 immunity protein (Im9) with four a helices. Apoxaldie was modified such that the active site lysines were substituted by 2,4-diaminobutyric acid in order to increase the proximity of the enzyme active site to the chiral environment of

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34

Fink, Julian. "The nature of rational requirements." Thesis, University of Oxford, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.527303.

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35

Bartholomew, Ronald Errol. "Teaching, truancy and rational choice." Thesis, University of Buckingham, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.436887.

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36

Lyster, Caroline. "Terminal illness and rational suicide." Thesis, McGill University, 2014. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=123323.

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Анотація:

The debate surrounding the legalization of physician-assisted suicide and euthanasia has seen the introduction of a number of new terms in recent years, the most well known among these being "death with dignity." Proponents of legalization would claim that these terms help to illustrate the difference between the actions of terminally or incurably ill individuals and the actions of individuals who typically commit suicide: the former are acting rationally, while the latter are not, suggesting that "death with dignity" is a case of "rational suicide."Margaret Pabst Battin has suggested that fi

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37

Staats, Charles III. "Rational curves on universal hypersurfaces." Thesis, The University of Chicago, 2014. http://pqdtopen.proquest.com/#viewpdf?dispub=3638697.

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<p> In this thesis, results are presented toward determining the number and dimension of irreducible components of the space of rational curves on a universal hypersurface. First, the question is reduced to classifying the strata of rational curves in projective space that are defined by the isomorphism class of the restriction of certain vector bundles. Partial results are given for describing these strata. Among these is a conjecture that the general stratum should have balanced isomorphism class. The conjecture is proved in a large infinite family of cases; in the course of the proof, a not

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38

Miserda, AndreÌs Bobenrieth. "Inconsistencies and their rational tracks." Thesis, University of Leeds, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.400168.

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39

Liu, Tiankai. "On planar rational cuspidal curves." Thesis, Massachusetts Institute of Technology, 2014. http://hdl.handle.net/1721.1/90190.

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Анотація:

Thesis: Ph. D., Massachusetts Institute of Technology, Department of Mathematics, 2014.<br>18<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 145-146).<br>This thesis studies rational curves in the complex projective plane that are homeomorphic to their normalizations. We derive some combinatorial constraints on such curves from a result of Borodzik-Livingston in Heegaard-Floer homology. Using these constraints and other tools from algebraic geometry, we offer a solution to certain cases of the Coolidge-Nagata problem on the rectifiability of planar ratio

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40

Rohde, Adam Robert. "Rational Bias In Inflation Expectations." Thesis, Boston College, 2013. http://hdl.handle.net/2345/3093.

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Thesis advisor: Robert Murphy<br>We empirically examine the Biased Expectations Hypothesis, which states that recent price movements in certain sectors play special roles in the formation of in- dividuals inflation expectations. Specifically we analyze whether economists rationally bias their expectations and whether economists and consumers naively bias their ex- pectations with respect to recent inflation in the food and energy sectors. We develop theoretical models for both rationally formed and naively formed inflation expecta- tions. We find that economists do not bias their rationally fo

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41

Angelikopoulos, Panagiotis. "Rational design of nanofibrous materials." Thesis, Heriot-Watt University, 2010. http://hdl.handle.net/10399/2346.

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Making Carbon nanotubes a functional material for widespread use is a very cumbersome and challenging task. Not only do CNT materials require the tubes to be well dispersed and individualized rather than in bundles but resulting material has much poorer properties than expected due to insufficient load transfer between crossing CNT. This work tries to provide insight and solutions onto both of these problems, by employing computer simulations to reveal the dual nature of surfactant mediated forces on CNT. A generic coarse grain model has been used along with a dissipative particle dynamics the

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42

Jones, Ross Peter. "Orbit surgery of rational maps." Thesis, University of Cambridge, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.627022.

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43

Ellingsen, Simen Andreas. "Nuclear terrorism and rational choice." Thesis, King's College London (University of London), 2009. https://kclpure.kcl.ac.uk/portal/en/theses/nuclear-terrorism-and-rational-choice(c87cf97b-5be3-4ec3-b660-d8e5c1b7b639).html.

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The prospect of nuclear terrorism, terrorist acts with nuclear fission explosives, is analysed by means of rational choice theory, a methodology borrowed from economics which has hitherto not been systematically applied to nuclear terrorism. The methodology allows the formalisation and modelling of key choices faced by both the aspiring nuclear terrorist and a potential target government in order to work out best strategies under the assumptions that the players are rational and intelligent. Four relevant decision situations are studied: The terrorist's choice of whether to embark on an ambiti

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44

Kaliszczak, Maciej. "Rational design of pyrrolobenzodiazepine derivatives." Thesis, University of Edinburgh, 2009. http://hdl.handle.net/1842/4923.

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Pyrrolobenzodiazepine (PBD) derivatives interact with the minor-groove of DNA to form mono-adducts (monomers) or cross-links (dimers). They show remarkable activity in vitro and in vivo in a wide range of tumour types and one dimer, SJG-136 is currently in clinical development. Preclinical studies have shown that SJG-136 is a P-gp substrate limiting its anti-tumour activity. The work presented in this thesis identifies key physicochemical properties influencing both the interaction of PBDs with ABC transporters P-gp, MRP1 and BCRP and their growth inhibitory potency. A testable hypothesis for

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45

Undrakh, Batzorig. "Rational dilation and constrained algebras." Thesis, University of Newcastle upon Tyne, 2018. http://hdl.handle.net/10443/4052.

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Анотація:

If a set is a spectral set for an operator T, is it necessarily a complete spectral set? That is, if the spectrum of T is contained in , and von Neumann's inequality holds for T and rational functions with poles o of , does it still hold for all such matrix valued rational functions? Equivalently, if is a spectral set for T, does T have a dilation to a normal operator with spectrum in the boundary of ? This is true if is the disk or the annulus, but has been shown to fail in many other cases. There are also multivariable versions of this problem. For example, it is known that rational dilation

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46

Simmons, David. "Random Iteration of Rational Functions." Thesis, University of North Texas, 2012. https://digital.library.unt.edu/ark:/67531/metadc115157/.

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It is a theorem of Denker and Urbański that if T:ℂ→ℂ is a rational map of degree at least two and if ϕ:ℂ→ℝ is Hölder continuous and satisfies the “thermodynamic expanding” condition P(T,ϕ) > sup(ϕ), then there exists exactly one equilibrium state μ for T and ϕ, and furthermore (ℂ,T,μ) is metrically exact. We extend these results to the case of a holomorphic random dynamical system on ℂ, using the concepts of relative pressure and relative entropy of such a system, and the variational principle of Bogenschütz. Specifically, if (T,Ω,P,θ) is a holomorphic random dynamical system on ℂ and ϕ:Ω→ ℋα(

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47

Morozov, Vasily A. "Rational design of synthetic metalloproteins." Bowling Green State University / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1363449087.

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48

Render, Elaine. "Rational monoid and semigroup automata." Thesis, University of Manchester, 2010. https://www.research.manchester.ac.uk/portal/en/theses/rational-monoid-and-semigroup-automata(0aff0c17-b6f9-4bc8-95d1-ff98da059d42).html.

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We consider a natural extension to the definition of M-automata which allows the automaton to make use of more of the structure of the monoid M, and by removing the reliance on an identity element, allows the definition of S-automata for S an arbitrary semigroup. In the case of monoids, the resulting automata are equivalent to valence automata with rational target sets which arise in the theory of regulated rewriting. We focus on the polycyclic monoids, and show that for polycyclic monoids of rank 2 or more they accept precisely the context-free languages. The case of the bicyclic monoid is al

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49

Taber, Peter Addison, and Peter Addison Taber. "Rational Enchantment: Instituting Ecuadorian Biodiversity." Diss., The University of Arizona, 2017. http://hdl.handle.net/10150/625380.

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Анотація:

An increasing concern for biodiversity loss transformed politics and society in Ecuador beginning in the late 1980s. Amidst a proliferation of expert work to gain new knowledge of what biodiversity existed where in order to curb species extinctions, both the state of biological science and the way that Ecuador was governed were remade. To examine the institution of biodiversity and its contemporary consequences in Ecuador, this dissertation draws on ethnography with and archival research on a community of botanists connected with Ecuador's National Herbarium. It begins by examining the special

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O'Connell, Robert W. "Pinching deformations of rational maps." [Bloomington, Ind.] : Indiana University, 2009. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3354918.

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Thesis (Ph.D.)--Indiana University, Dept. of Mathematics, 2009.<br>Title from PDF t.p. (viewed on Feb. 4, 2010). Source: Dissertation Abstracts International, Volume: 70-04, Section: B, page: 2340. Adviser: Kevin M. Pilgrim.

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