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Sobolev type time fractional differential equations and optimal controls with the order in \((1,2)\). (English) Zbl 07144917
Authors’ abstract: This paper is mainly concerned with controlled time fractional differential equations of Sobolev type in Caputo and Riemann-Liouville fractional derivatives with the order in \((1,2)\) respectively. By properties on some corresponding fractional resolvent operators family, we first establish sufficient conditions for the existence of mild solutions to these controlled time fractional differential equations of Sobolev type. Then, we present the existence of optimal controls of systems governed by corresponding time fractional differential equations of Sobolev type via setting up approximating minimizing sequences of suitable functions twice.
MSC:
34G20 Nonlinear differential equations in abstract spaces
34A08 Fractional ordinary differential equations and fractional differential inclusions
49J21 Existence theories for optimal control problems involving relations other than differential equations
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