Under minimal moment conditions complete asymptotic expansions are obtained for expectations of unbounded functions of a finite family of independent random variables in the Poissonian setting when the distributions of the random variables have large atoms at zero.
@article{1039548369,
author = {Borisov, I. S. and Ruzankin, P. S.},
title = {Poisson approximation for expectations of unbounded functions of independent random variables},
journal = {Ann. Probab.},
volume = {30},
number = {1},
year = {2002},
pages = { 1657-1680},
language = {en},
url = {http://dml.mathdoc.fr/item/1039548369}
}
Borisov, I. S.; Ruzankin, P. S. Poisson approximation for expectations of unbounded functions of independent random variables. Ann. Probab., Tome 30 (2002) no. 1, pp. 1657-1680. http://gdmltest.u-ga.fr/item/1039548369/