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JOURNALS // Trudy Instituta Matematiki i Mekhaniki UrO RAN // Archive

Trudy Inst. Mat. i Mekh. UrO RAN, 2024 Volume 30, Number 2, Pages 277–299 (Mi timm2098)

Continuous dependence of sets in a space of measures and a program minimax problem

A. G. Chentsovab, D. A. Serkovab

a N.N. Krasovskii Institute of Mathematics and Mechanics, Ural Branch of the Russian Academy of Sciences, Ekaterinburg
b Institute of Radio Engineering and Information Technologies, Ural Federal University, Ekaterinburg

Abstract: For conflict-controlled dynamical systems satisfying the conditions of generalized uniqueness and uniform boundedness, the solvability of the minimax problem in the class of generalized controls is studied. The issues of consistency of such an extension are considered; i. e., the possibility of approximating generalized controls in the space of strategic measures by embeddings of ordinary controls is analyzed. For this purpose, the dependence of the set of measures on the general marginal distribution specified on one of the factors of the base space is studied. The continuity of this dependence in the Hausdorff metric defined by the metric corresponding to the $*$-weak topology in the space of measures is established. The density of embeddings of ordinary controls and control-noise pairs in sets of corresponding generalized controls in the $*$-weak topologies is also shown.

Keywords: generalized controls, strategic measures, minimax problem, $*$-weak convergence, Hausdorff metric.

UDC: 517.977

MSC: 60B05, 60B10, 28A50, 49J15, 49J35

Received: 11.03.2024
Revised: 27.03.2024
Accepted: 01.04.2024

DOI: 10.21538/0134-4889-2024-30-2-277-299


 English version:
Proceedings of the Steklov Institute of Mathematics (Supplementary issues), 2024, 325, suppl. 1, S76–S98

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© Steklov Math. Inst. of RAS, 2025