The second initial-boundary value problem with integral displacement for second-order hyperbolic and parabolic equations

A. I. Kozhanov ; A. V. Dyuzheva

Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences, Tome 25 (2021) no. 3, pp. 423-434.

Résumé

In this paper, we study the solvability of some non-local analogs of the second initial-boundary value problem for multidimensional hyperbolic and parabolic equations of the second order. We prove the existence and uniqueness theorems of regular solutions (which have all Sobolev generalized derivatives that are summable with a square and are included in the equation). Some generalization and amplification of the obtained results are also given.

Détail

Keywords: hyperbolic equations, integral boundary conditions, nonlocal problems, integral conditions, regular solutions, uniqueness
Mots-clés : parabolic equations, existence.

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