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Trend to spatial homogeneity for solutions to semilinear damped wave equations

Published online by Cambridge University Press:  14 November 2011

J. Solà-Morales
Affiliation:
Departament de Matemàtiques, Universitat Autònoma de Barcelona, Bellaterra (Barcelona), Spain
M. València
Affiliation:
Departament de Matemàtiques, ETSEIB, Universitat Politècnica de Catalunya, Diagonal 647, 08028 Barcelona, Spain

Synopsis

The semilinear damped wave equations

subject to homogeneous Neumann boundary conditions, admit spatially homogeneous solutions (i.e. u(x, t) = u(t)). In order that every solution tends to a spatially homogeneous one, we look for conditions on the coefficients a and d, and on the Lipschitz constant of f with respect to u.

Type
Research Article
Copyright
Copyright © Royal Society of Edinburgh 1987

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