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Pricing of derivatives in security markets with delayed response /Kazmerchuk, Yuriy I. January 2005 (has links)
Thesis (Ph.D.)--York University, 2005. Graduate Programme in Mathematics and Statistics. / Typescript. Includes bibliographical references (leaves 69-75). Also available on the Internet. MODE OF ACCESS via web browser by entering the following URL: http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pqdiss&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&rft_dat=xri:pqdiss:NR11585
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Semigroup methods for degenerate cauchy problems and stochastic evolution equations /Maizurna, Isna. January 1999 (has links) (PDF)
Thesis (Ph.D.) -- University of Adelaide, Dept. of Pure Mathematics, 1999. / Bibliography: leaves 110-115.
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A brief analysis of certain numerical methods used to solve stochastic differential equationsGovender, Nadrajh. January 2006 (has links)
Thesis (M.Sc.)(Mathematics)--University of Pretoria, 2007. / Includes summary. Includes bibliographical references. Available on the Internet via the World Wide Web.
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Pathwise view on solutions of stochastic differential equationsSipiläinen, Eeva-Maria January 1993 (has links)
The Ito-Stratonovich theory of stochastic integration and stochastic differential equations has several shortcomings, especially when it comes to existence and consistency with the theory of Lebesque-Stieltjes integration and ordinary differential equations. An attempt is made firstly, to isolate the path property, possessed by almost all Brownian paths, that makes the stochastic theory of integration work. Secondly, to construct a new concept of solutions for differential equations, which would have the required consistency and continuity properties, within a class of deterministic noise functions, large enough to include almost all Brownian paths. The algebraic structure of iterated path integrals for smooth paths leads to a formal definition of a solution for a differential equation in terms of generalized path integrals for more general noises. This suggests a way of constructing solutions to differential equations in a large class of paths as limits of operators. The concept of the driving noise is extended to include the generalized path integrals of the noise. Less stringent conditions on the Holder continuity of the path can be compensated by giving more of its iterated integrals. Sufficient conditions for the solution to exist are proved in some special cases, and it is proved that almost all paths of Brownian motion as well as some other stochastic processes can be included in the theory.
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Enlargement of Filtration and the Strict Local Martingale Property in Stochastic Differential EquationsDandapani, Aditi January 2016 (has links)
In this thesis, we study the strict local martingale property of solutions of various types of stochastic differential equations and the effect of an initial expansion of the filtration on this property. For the models we consider, we either use existing criteria or, in the case where the stochastic differential equation has jumps, develop new criteria that can can detect the presence of the strict local martingale property. We develop deterministic sufficient conditions on the drift and diffusion coefficient of the stochastic process such that an enlargement by initial expansion of the filtration can produce a strict local martingale from a true martingale. We also develop a way of characterizing the martingale property in stochastic volatility models where the local martingale has a general diffusion coefficient.
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Comparison theorem and its applications to financeKrasin, Vladislav 11 1900 (has links)
The current Thesis is devoted to comprehensive studies of comparison, or stochastic domination, theorems. It presents a combination of theoretical research and practical ideas formulated in several specific examples. Previously known results and their place it the theory of stochastic processes and stochastic differential equations is reviewed. This part of the work yielded three new theoretical results, formulated as theorems. Two of them are extensions of commonly used methods to more sophisticated processes and conditions. The third theorem is proven using previously not exploited technique. The place of all three results in the global theory is demonstrated by examining interconnections and possible distinctions between old and new theorems. Second and equally important part of the work focuses on more practical
issues. Its main goal is to demonstrate where and how various theoretical findings can be applied to typical financial problems, such as option pricing,
hedging, risk management and others. The example chapter summarizes the best of the obtained results in this direction. / Mathematical Finance
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The compact support property for hyperbolic SPDEs two contrasting equations /Ignatyev, Oleksiy. January 2008 (has links)
Thesis (Ph. D.)--Kent State University, 2008. / Title from PDF t.p. (viewed Nov. 10, 2009). Advisor: Hassan Allouba. Keywords: stochastic partial differential equations; compact support property. Includes bibliographical references (p. 30).
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Comparison theorem and its applications to financeKrasin, Vladislav Unknown Date
No description available.
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Stochastic Differential Equations : and the numerical schemes used to solve themLiljas, Erik January 2014 (has links)
This thesis explains the theoretical background of stochastic differential equations in one dimension. We also show how to solve such differential equations using strong It o-Taylor expansion schemes over large time grids. We also attempt to solve a problem regarding a specific approximation of a stochastic integral for which there is no explicit solution. This approximation, which utilizes the distribution of this particular stochastic integral, gives the wrong order of convergence when performing a grid convergence study. We use numerical integration of the stochastic integral as an alternative approximation, which is correct with regards to convergence.
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Stochastic simulation of non-Newtonian flow fields /Geurts, Kevin Richard, January 1995 (has links)
Thesis (Ph. D.)--University of Washington, 1995. / Vita. Includes bibliographical references (leaves [188]-192).
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