ISSN:
1572-9230
Keywords:
Lower tail
;
Gaussian seminorms
;
Gaussian processes
;
infinite dimensional Brownian motion
Source:
Springer Online Journal Archives 1860-2000
Topics:
Mathematics
Notes:
Abstract Let ξ=(ξ n ) be i.i.d.N(0, 1) random variables andq(x), q′(x):R ∞→[0, ∞) be seminorms. We investigate necessary and sufficient conditions that the ratio ofP(q(ξ)〈ε) andP(q′(ξ)〈ε) goes to a positive constant as ε→0+. We give satisfactory answers forl 2-norms and also some results for sup-norms andl p-norms. Some applications are given to the rate of escape of infinite dimensional Brownian motion, and we give the lower tail of the Ornstein-Uhlenbeck process and a weighted Brownian bridge under theL 2-norms.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF01046776
Permalink