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The higher moments of the number of returns of a simple random walk. (English) Zbl 0804.60060

Summary: We consider a simple random walk starting at 0 and leading to 0 after \(2n\) steps. By a generating functions approach we achieve closed formulae for the moments of the random variables ‘number of visits to the origin’.

MSC:

60G50 Sums of independent random variables; random walks
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