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A chaotic representation property of the multidimensional Dunkl processes

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arxiv math/0609679 v1 pith:B62Z43KO submitted 2006-09-25 math.PR

classification math.PR
keywords processesdunkladequateassociatedchaoschaoticcontinuouscorresponding
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abstract

Dunkl processes are martingales as well as c\`{a}dl\`{a}g homogeneous Markov processes taking values in $\mathbb{R}^d$ and they are naturally associated with a root system. In this paper we study the jumps of these processes, we describe precisely their martingale decompositions into continuous and purely discontinuous parts and we obtain a Wiener chaos decomposition of the corresponding $L^2$ spaces of these processes in terms of adequate mixed multiple stochastic integrals.

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  1. The Rectangular Finite Free Heat Flow

    math.PR 2026-06 unverdicted novelty 6.0 of 10

    Introduces and studies the rectangular finite free heat flow as a dynamical system on polynomials with equivalent characterizations, root asymptotics, and connections to Calogero-Moser systems and mean curvature flow ...

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