Abstract
Stochastic control with quadratic cost and partial, noisy observation has been considered. It has been proven, under rather natural assumptions, that the cost function is lower bounded by two types of bounds. The first one is convex increasing function of the mutual information between observations and state of the system. The second bound is decreasing function of the mutual information between control sequence and the state. Considerations are illustrated with simple example.
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Bania, P. (2023). Information-Theoretic Lower Bounds of the Quadratic Cost in Stochastic Control with Partial Observation. In: Pawelczyk, M., Bismor, D., Ogonowski, S., Kacprzyk, J. (eds) Advanced, Contemporary Control. PCC 2023. Lecture Notes in Networks and Systems, vol 709. Springer, Cham. https://doi.org/10.1007/978-3-031-35173-0_7
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