English

Mild Stochastic Sewing Lemma, SPDE in Random Environment, and Fractional Averaging

Probability 2023-03-07 v3

Abstract

Our first result is a stochastic sewing lemma with quantitative estimates for mild incremental processes, with which we study SPDEs driven by fractional Brownian motions in a random environment. We obtain uniform LpL^p-bounds. Our second result is a fractional averaging principle admitting non-stationary fast environments. As an application, we prove a fractional averaging principle for SPDEs.

Keywords

Cite

@article{arxiv.2108.05573,
  title  = {Mild Stochastic Sewing Lemma, SPDE in Random Environment, and Fractional Averaging},
  author = {Xue-Mei Li and Julian Sieber},
  journal= {arXiv preprint arXiv:2108.05573},
  year   = {2023}
}

Comments

To appear in Stochastics and Dynamics; 38 pages