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JOURNALS // Zapiski Nauchnykh Seminarov POMI // Archive

Zap. Nauchn. Sem. POMI, 2025 Volume 541, Pages 76–88 (Mi znsl7562)

On a certain representation of a solution to the characteristic problem for the ultrahyperbolic equation

M. N. Demchenko

St. Petersburg Department of Steklov Mathematical Institute of Russian Academy of Sciences

Abstract: We consider the characteristic problem for the ultrahyperbolic equation in the Euclidean space. The solution is prescribed on the characteristic hyperplane. A well-posed set-up of the problem is discussed. We obtain a certain representation for a solution suitable for analysis of its asymptotics at the infinity.

Key words and phrases: ultrahyperbolic equation, characteristic problem, asymptotics of a solution at the infinity.

UDC: 517.951

Received: 01.10.2025



© Steklov Math. Inst. of RAS, 2026