Small time asymptotics for a class of stochastic partial differential equations with fully monotone coefficients forced by multiplicative Gaussian noise

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Abstract

The main goal of this paper is to study the effect of small, highly nonlinear, unbounded drifts (small time large deviation principle (LDP) based on exponential equivalence arguments) for a class of stochastic partial differential equations (SPDEs) with fully monotone coefficients driven by multiplicative Gaussian noise. The small time LDP obtained in this paper is applicable for various quasi-linear and semilinear SPDEs such as porous medium equations, Cahn-Hilliard equation, 2D Navier-Stokes equations, convection-diffusion equation, 2D liquid crystal model, power law fluids, Ladyzhenskaya model, and p-Laplacian equations, perturbed by multiplicative Gaussian noise.
Original languageEnglish
Article number2550021
JournalStochastics and Dynamics
Volume2025
Issue numberVol. 25, No. 05
DOIs
Publication statusPublished - 27 Jun 2025

Bibliographical note

Publisher Copyright: © 2025 World Scientific Publishing Company.

Keywords

  • Gaussian noise
  • large deviation principle
  • locally monotone
  • small time asymptotics
  • Stochastic partial differential equations

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