Electronic Journal of Differential Equations, Vol. 2024 (2024), No. 27, pp. 1-18. Title: Existence of solutions to stochastic p(t,x)-Laplace equations and applications Authors: Chen Liang (Harbin Institute of Tech., Harbin, Heilongjiang, China) Lixu Yan (Northeast Forestry Univ., Harbin, Heilongjiang, China) Yongqiang Fu (Harbin Institute of Tech., Harbin, Heilongjiang, China) Abstract: In this article, we consider a stochastic $p(t,x)$-Laplace equation. First we use the Galerkin method toobtain a unique weak solution. Then we obtain optimal controls for the corresponding stochastic optimal control problem Submitted October 7, 2023. Published March 27, 2024. Math Subject Classifications: 35K92, 60H15. Key Words: Stochastic p(t,x)-Laplace equation; weak solution; optimal control; Galerkin method.