Type: Article
Publication Date: 1997-07-01
Citations: 123
DOI: https://doi.org/10.1214/aop/1024404522
For the sum $S = \sum X_i$ of a sequence $(X_i)$ of independent symmetric (or nonnegative) random variables, we give lower and upper estimates of moments of $S$. The estimates are exact, up to some universal constants, and extend the previous results for particular types of variables $X_i$.