INITIAL ABSTRACT BOUNDARY VALUE PROBLEMS FOR PARABOLIC DIFFERENTIAL-OPERATOR EQUATIONS IN UMD BANACH SPACES

Angelo Favini, Yakov Yakubov

Research output: Contribution to journalArticlepeer-review

Abstract

We consider initial abstract boundary value problems for parabolic differential-operator equations in UMD Banach spaces settings on the rectangle [0,T]×[0,1]. We use our previous results on norm-estimates of solutions of boundary value problems for abstract elliptic equations with a parameter on[0,1] in a UMD Banach space. Unique solvability of the problems is proved in the spaces of vector-valued continuous functions. The corresponding estimates of the solution are also established. Then, completeness of a system of root functions of abstract elliptic boundary value problems and completeness of elementary solutions of initial abstract parabolic boundary value problems are obtained. All abstract results are provided by a relevant application to parabolic or elliptic PDEs. We also treat, in applications, integro-differential equations and boundary conditions.
Original languageEnglish
Pages (from-to)152-171
Number of pages20
JournalProceedings of the Institute of Mathematics and Mechanics
Volume40
Issue numberSpecial Issue
StatePublished - 2014

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