English

Intermittency for the Hyperbolic Anderson Model with rough noise in space

Probability 2016-05-03 v1

Abstract

In this article, we consider the stochastic wave equation on the real line driven by a linear multiplicative Gaussian noise, which is white in time and whose spatial correlation corresponds to that of a fractional Brownian motion with Hurst index H(14,12)H\in (\frac14,\frac12). Initial data are assumed to be constant. First, we prove that this equation has a unique solution (in the Skorohod sense) and obtain an exponential upper bound for the pp-th moment of the solution, for any p2p\geq 2. Condition H>14H>\frac14 turns out to be necessary for the existence of solution. Secondly, we show that this solution coincides with the one obtained by the authors in a recent publication, in which the solution is interpreted in the It\^o sense. Finally, we prove that the solution of the equation in the Skorohod sense is weakly intermittent.

Keywords

Cite

@article{arxiv.1605.00024,
  title  = {Intermittency for the Hyperbolic Anderson Model with rough noise in space},
  author = {Raluca M. Balan and Maria Jolis and Lluís Quer-Sardanyons},
  journal= {arXiv preprint arXiv:1605.00024},
  year   = {2016}
}
R2 v1 2026-06-22T13:45:04.794Z