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Mathematical notes of NEFU, 2025, Volume 32, Issue 3, Pages 53–60 (Mi svfu484)

Mathematics

Solvability of the Cauchy problem for one fourth-order pseudohyperbolic system

S. B. Mingnarov

Novosibirsk State University

Abstract: The Cauchy problem for one system unsolvable with respect to the highest time derivative is considered. This system is pseudohyperbolic. The unique solvability of the Cauchy problem in Sobolev spaces is proved and estimates for the solution are obtained.

Keywords: system unsolvable with respect to the highest derivative, pseudohyperbolic system, Cauchy problem, transverse flexural-torsional vibrations

UDC: 517.955

Received: 07.07.2025
Accepted: 29.08.2025

DOI: 10.25587/2411-9326-2025-3-53-60



© Steklov Math. Inst. of RAS, 2026