On solvability of some boundary-value problems for the non-local Poisson equation with fractional-order boundary operators

B. Kh. Turmetov

Problemy analiza, Tome 13 (2024) no. 3, pp. 118-134.

Résumé

In this paper, a non-local analogue of the Laplace operator is introduced using involution-type mappings. For the corresponding non-local analogue of the Poisson equation in the unit ball, two types of boundary-value problems are considered. In the studied problems, the boundary conditions involve fractional-order operators with derivatives of the Hadamard type. The first problem generalizes the well-known Dirichlet, Neumann, and Robin problems for fractional-order boundary operators. The second problem is a generalization of periodic and antiperiodic boundary-value problems for circular domains. Theorems on the existence and uniqueness of solutions to the studied problems are proved. Exact conditions for solvability of the studied problems are found, and integral representations of the solutions are obtained.

Détail

Keywords: non-local equation, fractional derivative, Hadamard operator, periodic problem, Dirichlet problem, Neumann problem.

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