Perla Sousi

University of Cambridge
Scientific, Seminar
Probability Seminar: Collisions of random walks
March 3, 2010
University of British Columbia
Regarding his 1920 paper proving recurrence of random walks in Z^2, Polya wrote that his motivation was to determine whether 2 independent random walks in Z^2 meet infinitely often. Of course, in this case, the problem reduces to the recurrence of a...