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JOURNALS // Russian Universities Reports. Mathematics // Archive

Tambov University Reports. Series: Natural and Technical Sciences, 2017 Volume 22, Issue 6, Pages 1247–1254 (Mi vtamu125)

MATHEMATICS

About existence and estimation of solution to one integral inclusion

S. Benarab, W. Merchela, E. A. Panasenko

Tambov State University named after G.R. Derzhavin

Abstract: An inclusion with multi-valued mapping acting in spaces with vector-valued metrics is under discussion. It is shown that, if a multi-valued mapping $F$ can be written as $F(x)=\Upsilon(x,x),$ where the mapping $\Upsilon$ is closed and metrically regular with some operator coefficient $K$ with respect to one argument, Lipschitz with operator coefficient $Q$ with respect to the other argument, and the spectral radius of the operator $KQ$ is less than one, then the inclusion $F(x)\ni y$ is solvable. The estimations of the vector-valued distance from a solution $x$ of the inclusion to a given element $x_0$ are derived. In the second part of the paper, these results are used to investigate an integral inclusion of the implicit type with respect to the unknown integrable function.

Keywords: space with vector-valued metric, multi-valued mapping, metrically regular mapping, implicit type integral inclusion.

UDC: 515.126.4 + 515.126.83

Received: 15.08.2017

DOI: 10.20310/1810-0198-2017-22-6-1247-1254



© Steklov Math. Inst. of RAS, 2026