A simple proof of a recurrence theorem for random walks in $\Z^{2}$

2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/118102In this note, we prove without using Fourier analysis that the symmetric square integrable random walks in $\Z^{2}$ are recurrent.2 pagesProbability60G50A simple proof of a recurrence theorem for random walks in $\Z^{2}$text