ABSTRACT. – Studied in this paper is the transformation of an arbitrary symmetric Markov process X by multiplicative functionals which are the exponential of continuous additive func-tionals of X having zero quadratic variations. We characterize the transformed semigroups by their associated quadratic forms. This is done by first identifying the symmetric Markov process under Girsanov transform, which may be of independent interest, and then applying Feynman– Kac transform to the Girsanov transformed process. Stochastic analysis for discontinuous mar-tingales is used in our approach. 2002 Éditions scientifiques et médicales Elsevier SAS Math. Subj. Class. (1991): Primary 60J45; secondary 60J57; 31C25 RÉSUMÉ. – Dans ce papier, nous étudions...
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A general affine Markov semigroup is formulated as the convolution of a ho-mogeneous one with a skew...
We consider a semi-Markov additive process A(.)-that is, a Markov additive process for which the soj...
Let X be a symmetric right process, and let Z = {Zt, t ≥ 0} be a multiplicative functional of X that...
AbstractLet X be a symmetric right process, and let Z={Zt,t⩾0} be a multiplicative functional of X t...
Abstract We present a path-space integral representation of the semigroup associated with the quadra...
76 p.Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2007.In this dissertation, we study...
This thesis introduces a new method of constructing analytically tractable (solvable) one-dimensiona...
AbstractMark Kac introduced a method for calculating the distribution of the integral Av=∫0Tv(Xt)dt ...
21 pagesMonotone Lévy processes with additive increments are defined and studied. It is shown that t...
AbstractLet X(t) be a right-continuous Markov process with state space E whose expectation semigroup...
AbstractLet X be a symmetric strong Markov process on a Luzin space. In this paper, we present crite...
AbstractIn this paper, we consider Girsanov transforms of pure jump type for discontinuous Markov pr...
AbstractWe extend the well-known relation between Markov semigroups and processes with independent i...
Aiming at enlarging the class of symmetries of an SDE, we introduce a family of stochastic transfor...
AbstractDiaconis and Shahshahani studied a Markov chain Wƒ(1) whose states are the elements of the s...
A general affine Markov semigroup is formulated as the convolution of a ho-mogeneous one with a skew...
We consider a semi-Markov additive process A(.)-that is, a Markov additive process for which the soj...