Stochastic variational inequalities and regularity for degenerate stochastic partial differential equations

Type: Article

Publication Date: 2016-06-01

Citations: 21

DOI: https://doi.org/10.1090/tran/6981

Abstract

The regularity and characterization of solutions to degenerate, quasilinear SPDE is studied. Our results are two-fold: First, we prove regularity results for solutions to certain degenerate, quasilinear SPDE driven by Lipschitz continuous noise. In particular, this provides a characterization of solutions to such SPDE in terms of (generalized) strong solutions. Second, for the one-dimensional stochastic mean curvature flow with normal noise we adapt the notion of stochastic variational inequalities to provide a characterization of solutions previously obtained in a limiting sense only. This solves a problem left open by A. Es-Sarhir and M.-K. von Renesse in 2012 and sharpens regularity properties obtained by them with W. Stannat.

Locations

  • arXiv (Cornell University) - View - PDF
  • Transactions of the American Mathematical Society - View

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