Abstract
For a hyperbolic equation with a Bessel operator in a rectangular domain, we study the initial-boundary value problem in dependence of the numeric parameter that enters in the operator. We represent the solution as the Fourier-Bessel series. Using the method of integral identities, we prove the uniqueness of the problem solution. For proving the existence of the solution, we use estimates of coefficients of the series and the system of eigenfunctions; we establish them on the base of asymptotic formulas for the Bessel function and its zeros. We state sufficient conditions with respect to the initial conditions that guarantee the convergence of the constructed series in the class of regular solutions. We prove the theorem on the stability of the solution to the stated problem.
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Funding
This work was supported by the Regional Scientific and Educational Mathematical Center of Kazan (Volga Region) Federal University, project no. 0212/02.12.10179.001.
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Russian Text © The Author(s), 2019, published in Izvestiya Vysshikh Uchebnykh Zavedenii. Matematika, 2019, No. 10, pp. 75–86.
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Sabitov, K.B., Zaitseva, N.V. The Second Initial-Boundary Value Problem for a B-hyperbolic Equation. Russ Math. 63, 66–76 (2019). https://doi.org/10.3103/S1066369X19100086
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DOI: https://doi.org/10.3103/S1066369X19100086