Extremes of the stochastic heat equation with additive Levy noise

被引:4
作者
Chong, Carsten [1 ]
Kevei, Peter [2 ]
机构
[1] Columbia Univ, New York, NY 10027 USA
[2] Univ Szeged, Szeged, Hungary
关键词
almost-sure asymptotics; integral test; Poisson noise; regular variation; stable noise; stochastic PDE; CONVOLUTION EQUIVALENCE; DRIVEN; INTERMITTENCY; DISTRIBUTIONS;
D O I
10.1214/22-EJP855
中图分类号
O21 [概率论与数理统计]; C8 [统计学];
学科分类号
020208 ; 070103 ; 0714 ;
摘要
We analyze the spatial asymptotic properties of the solution to the stochastic heat equation driven by an additive Levy space-time white noise. For fixed time t > 0 and space x is an element of R-d we determine the exact tail behavior of the solution both for light-tailed and for heavy-tailed Levy jump measures. Based on these asymptotics we determine for any fixed time t > 0 the almost-sure growth rate of the solution as vertical bar x vertical bar -> infinity.
引用
收藏
页数:21
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