We propose several exponential inequalities for self-normalized martingales similar to those established by De la Peña. The keystone is the introduction of a new notion of random variable heavy on left or right. Applications associated with linear regressions, autoregressive and branching processes are also provided.
@article{1225372953,
author = {Bercu, Bernard and Touati, Abderrahmen},
title = {Exponential inequalities for self-normalized martingales with applications},
journal = {Ann. Appl. Probab.},
volume = {18},
number = {1},
year = {2008},
pages = { 1848-1869},
language = {en},
url = {http://dml.mathdoc.fr/item/1225372953}
}
Bercu, Bernard; Touati, Abderrahmen. Exponential inequalities for self-normalized martingales with applications. Ann. Appl. Probab., Tome 18 (2008) no. 1, pp. 1848-1869. http://gdmltest.u-ga.fr/item/1225372953/