Partial smoothing of delay transition semigroups acting on special functions
Probability
2021-09-02 v1
Abstract
It is well known that the transition semigroup of an Ornstein Uhlenbeck process with delay is not strong Feller for small times, so it has no regularizing effects when acting on bounded and continuous functions. In this paper we study regularizing properties of this transition semigroup when acting on special functions of the past trajectory. With this regularizing property, we are able to prove existence and uniqueness of a mild solution for a special class of semilinear Kolmogorov equations; we apply these results to a stochastic optimal control problem.
Cite
@article{arxiv.2109.00410,
title = {Partial smoothing of delay transition semigroups acting on special functions},
author = {Federica Masiero and Gianmario Tessitore},
journal= {arXiv preprint arXiv:2109.00410},
year = {2021}
}