The number of favorite points of a simple random walk

Richard Bass

Abstract


Original proposers of the open problem: Paul Erdos and Pal Revesz
The year when the open problem was proposed: 1984
Sponsor of the submission: Krzysztof Burdzy - University of Washington
AMS Subject classification: 60
Status of the problem: Open


If $V_n$ is the set of favorite points of a simple random walk at time $n$, can the cardinality of $V_n$ be equal to 3 infinitely often?

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