We derive necessary and sufficient conditions for a sum of i.i.d. random variables - where , but - to satisfy a moderate deviations principle. Moreover we show that this equivalence is a typical moderate deviations phenomenon. It is not true in a large deviations regime.
Mots-clés : moderate deviations, large deviations
@article{PS_2003__7__209_0, author = {Eichelsbacher, Peter and L\"owe, Matthias}, title = {Moderate deviations for {I.I.D.} random variables}, journal = {ESAIM: Probability and Statistics}, pages = {209--218}, publisher = {EDP-Sciences}, volume = {7}, year = {2003}, doi = {10.1051/ps:2003005}, mrnumber = {1956079}, zbl = {1019.60021}, language = {en}, url = {http://archive.numdam.org/articles/10.1051/ps:2003005/} }
TY - JOUR AU - Eichelsbacher, Peter AU - Löwe, Matthias TI - Moderate deviations for I.I.D. random variables JO - ESAIM: Probability and Statistics PY - 2003 SP - 209 EP - 218 VL - 7 PB - EDP-Sciences UR - http://archive.numdam.org/articles/10.1051/ps:2003005/ DO - 10.1051/ps:2003005 LA - en ID - PS_2003__7__209_0 ER -
Eichelsbacher, Peter; Löwe, Matthias. Moderate deviations for I.I.D. random variables. ESAIM: Probability and Statistics, Tome 7 (2003), pp. 209-218. doi : 10.1051/ps:2003005. http://archive.numdam.org/articles/10.1051/ps:2003005/
[1] Moderate deviations and associated Laplace approximations for sums of independent random vectors. Trans. Amer. Math. Soc. 329 (1992) 357-375. | MR | Zbl
,[2] The large deviation principle for empirical processes. Preprint (1999).
,[3] Moderate deviations for the volume of the Wiener sausage. Ann. Math. 153 (2001) 355-406. | MR | Zbl
, and ,[4] Sur un nouveau théorème-limite de la théorie des probabilités, Actualités Scientifique et Industrielles (736 Colloque consacré à la théorie des probabilités). Hermann (1938) 5-23. | JFM
,[5] Large Deviations Techniques and Applications. Springer, New York (1998). | MR | Zbl
and ,[6] Moderate deviations for martingale differences and applications to -mixing sequences. Stochastics and Stochastic Reports (to appear). | Zbl
,[7] Rank-dependent moderate deviations for -empirical measures in strong topologies (submitted). | Zbl
and ,[8] Decoupling: From dependence to independence. Springer-Verlag (1999). | MR | Zbl
and ,[9] Sur les déviations modérées des sommes de variables aléatoires vectorielles indépendantes de même loi. Ann. Inst. H. Poincaré 28 (1992) 267-280. | Numdam | MR | Zbl
,[10] Probability in Banach Spaces. Springer-Verlag, Berlin (1991). | MR | Zbl
and ,[11] Moderate deviations for longest increasing subsequences: The upper tail. Comm. Pure Appl. Math. 54 (2001) 1488-1520. | MR | Zbl
and ,Cité par Sources :