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Browse Dissertations and Theses  Mathematics by Title
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(20110525)A filling subgroup of a finitely generated free group F(X) is a subgroup which does not fix a point in any very small action free action on an Rtree. For the free group of rank two, we construct a combinatorial algorithm ...
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(2007)Above all, our work presents very explicit results, mostly stated as formulae and explicit representations, rather than algorithms. The formulae that we obtained for the ramifications and an integral basis of a cyclic ...
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(1997)In their 1995 paper, Muller and Schupp define the concept of an alternating automaton, a sort of completion of the notion of a nondeterministic automaton, and show how the notion may be used to prove a number of major ...
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(2004)The Main Theorem shows that every nontrivial tame knot in R3 has an alternating quadrisecant. This result refines the previous work about quadrisecants and gives greater geometric insight into knots. The Main Theorem ...
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(1984)An (omega)language is a set of infinite ((omega)type) strings of symbols. We study the classes of (omega)languages accepted by Turing Acceptors when infinite computations are allowed. There are various possible ...
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(1997)In 1877, R. Dedekind introduced the sum$$s(d, c) = \sum\sbsp{j=1}{c}\left(\left({j\over c}\right)\right)\left(\left({dj\over c}\right)\right),$$which appears in the multiplier system of the Dedekind etafunction as a modular ...
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(1981)Two algorithms of use in sparse matrix computation are studied. The rounding errors of the computational Lanczos algorithm are examined in order to account for the differences between the ideal and the machineoperator ...
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(20110826)In this thesis, we provide connections between analytic properties in Euclidean R^n and analytic properties in subRiemannian Carnot groups. We introduce weak sJohn domains, in analogy with weak John domains, and we prove ...
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(20130822)In this paper we examine an approximation of the MaxwellBoltzmann equation for a 1D gas. In the manner of classical gas dynamics, we derive a balance law and use it to determine the grossly determined solutions, a subclass ...
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(2004)We prove error estimates for the case of both elementwise and patchwise causal partitions.
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(2004)The focus of this dissertation is analysis of a causal spacetime discontinuous Galerkin (CSDG) method for onedimensional hyperbolic systems of conservation laws. The CSDG method is based on causal spacetime discretizations, ...
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(1990)In 1983, Bhatia, Davis and McIntosh proved that if A and B are selfadjoint with dist($\sigma(A),\sigma(B)) \geq \delta$ then there is some $c\sb{sa} < 2$ (independent of A and B) such that $c\sb{sa}\vert\vert\vert AQ  ...
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(20130524)We study vortex equations with a parameter $s$ on smooth vector bundles $E$ over compact K\"ahler manifolds $M$. For each $s$, we invoke techniques in \cite{Br} by turning vortex equations into the elliptic partial ...
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(2004)Our work resolves many issues left untreated in the original paper by Lagarias and Odlyzko and makes several original contributionssome of which have applications in other areas. In this dissertation we: (1) introduce ...
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(1987)In this work we develop an approach of Selberg to the analytic continuation of Eisenstein series by means of Fredholm theory. We set up the machinery for very general algebraic groups and arithmetic subgroups, and obtain ...
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Now showing items 2140 of 1084