Convergence to Weighted Fractional Brownian Sheets

Details Convergence to Weighted Fractional Brownian Sheets Convergence to Weighted Fractional Brownian Sheets

2008-11-27

arxiv.org/abs/0811.4455v1

Mathematics

Probability

Scientific paper

We define weighted fractional Brownian sheets, which are a class of Gaussian random fields with four parameters that include fractional Brownian sheets as special cases, and we give some of their properties. We show that for certain values of the parameters the weighted fractional Brownian sheets are obtained as limits in law of occupation time fluctuations of a stochastic particle model. In contrast with some known approximations of fractional Brownian sheets which use a kernel in a Volterra type integral representation of fractional Brownian motion with respect to ordinary Brownian motion, our approximation does not make use of a kernel.

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