Approximately solving the Cauchy problem for the wave equation by the method of differential operators of infinite order

zbMath0683.65082MaRDI QIDQ1825012

Dinh Dung, Tran Duc Van, Nguyen Duy Thai Son

Publication date: 1988

Published in: Acta Mathematica Vietnamica (Search for Journal in Brave)

zbMATH Keywords

wave equationCauchy problemSobolev spaces of infinite ordernonformal algebra of differential operators of infinite order

Mathematics Subject Classification ID

Sobolev spaces and other spaces of ``smooth functions, embedding theorems, trace theorems (46E35) Wave equation (35L05) Finite element, Rayleigh-Ritz and Galerkin methods for initial value and initial-boundary value problems involving PDEs (65M60) Error bounds for initial value and initial-boundary value problems involving PDEs (65M15)

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