Scaling variables and asymptotic profiles for the semilinear damped wave equation with variable coefficients
arXiv:1508.05778 · doi:10.1016/j.jmaa.2016.10.018
Abstract
We study the asymptotic behavior of solutions for the semilinear damped wave equation with variable coefficients. We prove that if the damping is effective, and the nonlinearity and other lower order terms can be regarded as perturbations, then the solution is approximated by the scaled Gaussian of the corresponding linear parabolic problem. The proof is based on the scaling variables and energy estimates.
33 pages, final version, to appear in J. Math. Anal. Appl
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