On the Existence of Optimal Control in the Problem of Optimizing the Lowest Coefficient of a Semilinear Evolutionary Equation

The paper studies the problem of optimizing the lowest coefficient understood as a function with values in a Banach space, which enters linearly into an abstract semilinear pseudoparabolic evolutionary differential equation in a Banach space. For this problem, an existence theorem for an optimal con...

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Bibliographic Details
Published in:Computational mathematics and mathematical physics 2023-07, Vol.63 (7), p.1176-1190
Main Author: Chernov, A. V.
Format: Article
Language:English
Subjects:
Banach spaces
Computational Mathematics and Numerical Analysis
Differential equations
Existence theorems
Mathematical analysis
Mathematics
Mathematics and Statistics
Optimal Control
Optimization
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Summary:The paper studies the problem of optimizing the lowest coefficient understood as a function with values in a Banach space, which enters linearly into an abstract semilinear pseudoparabolic evolutionary differential equation in a Banach space. For this problem, an existence theorem for an optimal control is proved. Due to the nonlinearity of the equation under study, the author uses his previous results on the total preservation of the unique global solvability (on the totally global solvability) and on the estimation of solutions for similar equations. This estimate turns out to be significant in the course of the study. As an example, the Oskolkov’s hydrodynamic system of equations is considered.
ISSN:0965-5425
1555-6662
DOI:10.1134/S0965542523070035