Informatics and Applications

2026, Volume 20, Issue 3, pp 23-32

OPTIMAL STOCHASTIC CONTROL OF MARKOV JUMP PROCESSES UNDER DELAYED NOISE-FREE OBSERVATIONS I: UNIVERSAL CANONICAL SPACE AND THE MARTINGALE PROBLEM

  • A. V. Borisov
  • Yu. N. Kurinov

Abstract

The first part of this series presents the theoretical foundations required for the proper formulation and solution of a finite-horizon stochastic control problem under incomplete information. The controlled system is represented by a class of Markov jump processes (MJPs) with a finite state space. The optimality criterion is defined as the expected value of an integral loss functional. The observations available for control synthesis are functions of the controlled state, measured without external noise but subject to a time delay. The class of admissible controls consists of processes that are predictable with respect to the natural filtration generated by the observations and that satisfy a set of geometric and integral constraints. A universal filtered probability space is constructed to provide a solution to the martingale problem associated with this class of controlled MJPs. In addition, conditions ensuring the continuity of both the MJP state trajectory and the objective functional with respect to the applied control are established.

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