Brownian sheet images and Bessel-Riesz capacity

Author:

Khoshnevisan Davar

Abstract

We show that the image of a 2–dimensional set under d d –dimensional, 2–parameter Brownian sheet can have positive Lebesgue measure if and only if the set in question has positive ( d / 2 d/2 )–dimensional Bessel–Riesz capacity. Our methods solve a problem of J.-P. Kahane.

Publisher

American Mathematical Society (AMS)

Subject

Applied Mathematics,General Mathematics

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