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Book Cover
E-book
Author Löbus, Jörg-Uwe, author.

Title Absolute continuity under time shift of trajectories and related stochastic calculus / Jörg-Uwe Löbus
Published Providence, Rhode Island : American Mathematical Society, 2017
©2017

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Description 1 online resource (v, 135 pages)
Series Memoirs of the American Mathematical Society, 0065-9266 ; volume 249, number 1185
Memoirs of the American Mathematical Society ; no. 1185.
Contents Introduction, Basic Objects, and Main Result -- Flows and Logarithmic Derivative Relative to X under Orthogonal Projection -- The Density Formula -- Partial Integration -- Relative Compactness of Particle Systems -- Appendix A: Basic Malliavin Calculus for Brownian Motion with Random Initial Data -- References -- Index
Summary The text is concerned with a class of two-sided stochastic processes of the form X=W+A. Here W is a two-sided Brownian motion with random initial data at time zero and A\equiv A(W) is a function of W. Elements of the related stochastic calculus are introduced. In particular, the calculus is adjusted to the case when A is a jump process. Absolute continuity of (X, P) under time shift of trajectories is investigated. For example under various conditions on the initial density with respect to the Lebesgue measure, m, and on A with A_0=0 we verify \frac{P(dX_{\cdot -t})}{P(dX_\cdot)}=\frac{m(X_{-t}
Notes "Volume 249, Number 1185 (sixth of 8 numbers), September 2017."
Bibliography Includes bibliographical references (pages 133-134) and index
Notes Print version record
Subject Continuity.
Stochastic processes.
Jump processes.
MATHEMATICS -- Calculus.
MATHEMATICS -- Mathematical Analysis.
Continuity
Jump processes
Stochastic processes
Form Electronic book
Author American Mathematical Society, publisher
ISBN 9781470441371
1470441373