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

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In this note, we prove without using Fourier analysis that the symmetric square integrable random walks in $\Z^{2}$ are recurrent.
2 pages

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Probability, 60G50

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http://salesiana.dossiersoluciones.com/handle/123456789/118102

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0610763
 http://arxiv.org/abs/math/0610763

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arXiv