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Fourier method in an initial-boundary value problem for a first-order partial differential equation with involution

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Abstract

The Fourier method is used to obtain a classical solution of an initial-boundary value problem for a first-order partial differential equation with involution in the function and its derivative. The series Σ produced by the Fourier method as a formal solution of the problem is represented as Σ = S 0 + (Σ − Σ0), where Σ0 is the formal solution of a special reference problem for which the sum S 0 can be explicitly calculated. Refined asymptotic formulas for the solution of the Dirac system are used to show that the series Σ − Σ0 and the series obtained from it by termwise differentiation converge uniformly. Minimal smoothness assumptions are imposed on the initial data of the problem.

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Correspondence to M. Sh. Burlutskaya.

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Original Russian Text © M.Sh. Burlutskaya, A.P. Khromov, 2011, published in Zhurnal Vychislitel’noi Matematiki i Matematicheskoi Fiziki, 2011, Vol. 51, No. 12, pp. 2233–2246.

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Burlutskaya, M.S., Khromov, A.P. Fourier method in an initial-boundary value problem for a first-order partial differential equation with involution. Comput. Math. and Math. Phys. 51, 2102–2114 (2011). https://doi.org/10.1134/S0965542511120086

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  • DOI: https://doi.org/10.1134/S0965542511120086

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