Martingale marginals do not always determine convergence

Published 26 Mar 2015 in math.PR | (1503.07833v1)

Abstract: Baez-Duarte (1971) and Gilat (1972) gave examples of martingales that converge in probability (and hence in distribution) but not almost surely. Here such a martingale is constructed with uniformly bounded increments, and a construction is provided of two martingales with the same marginals, one of which converges almost surely, while the other does not converge in probability.

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Authors (1)

Jim Pitman

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