Optimal energy decay rate of coupled wave equations

zbMath1047.35089MaRDI QIDQ1430624

Ahmed Benaddi

Publication date: 27 May 2004

Published in: Portugaliae Mathematica. Nova Série (Search for Journal in Brave)

Full work available at URL: https://eudml.org/doc/50955

zbMATH Keywords

Riesz basisdecay rateasymptotic expansion of the eigenvaluespositive viscous damping

Mathematics Subject Classification ID

Stabilization of systems by feedback (93D15) Asymptotic behavior of solutions to PDEs (35B40) Completeness of eigenfunctions and eigenfunction expansions in context of PDEs (35P10) Asymptotic distributions of eigenvalues in context of PDEs (35P20) Asymptotic expansions of solutions to PDEs (35C20) Higher-order hyperbolic systems (35L55)

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The lack of exponential stability for a weakly coupled wave equations through a variable density term

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