Abstract
We show that the nth order renormalized self-intersection local time γ n ( μ; t) for the symmetric stable process in R 2, where the n-fold multiple points are weighted by an arbitrary measure μ, can be characterized as the continuous process of zero quadratic variation in the decomposition of a natural Dirichlet process. This Dirichlet process is the potential of a random measure associated with γ n−1 ( μ; t).
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More From: Annales de l'Institut Henri Poincare (B) Probability and Statistics
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