The moments of the area under reflected Brownian bridge conditional on its local time at zeroReport as inadecuate




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Journal of Applied Mathematics and Stochastic Analysis - Volume 13 2000, Issue 2, Pages 99-124

University of Illinois, Department of Mathematics, 1409 West Green Street, Urbana 61801, IL, USA

Received 1 May 1999; Revised 1 August 1999

Copyright © 2000 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

This paper develops a recursion formula for the conditional moments of the area under the absolute value of Brownian bridge given the local time at 0. The method of power series leads to a Hermite equation for the generating function of the coefficients which is solved in terms of the parabolic cylinder functions. By integrating out the local time variable, this leads to an integral expression for the joint moments of the areas under the positive and negative parts of the Brownian bridge.





Author: Frank B. Knight

Source: https://www.hindawi.com/



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