Forward and Backward Mean-Field Stochastic Partial Differential Equation and Optimal Control
This paper is mainly concerned with the solutions to both forward and backward mean-field stochastic partial differential equation and the corresponding optimal control problem for mean-field stochastic partial differential equation. The authors first prove the continuous dependence theorems of forward and backward mean-field stochastic partial differential equations and show the existence and uniqueness of solutions to them. Then they establish necessary and sufficient optimality conditions of the control problem in the form of Pontryagin’s maximum principles. To illustrate the theoretical results, the authors apply stochastic maximum principles to study the infinite-dimensional linear-quadratic control problem of mean-field type. Further, an application to a Cauchy problem for a controlled stochastic linear PDE of mean-field type is studied.
KeywordsMean-field Stochastic partial differential equation Backward stochastic partial differential equation Optimal control Maximum principle Adjoint equation
2000 MR Subject Classification60H15 35R60 93E20
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