Existence and blow up of small-amplitude nonlinear waves with a sign-changing potential

Research paper by Paschalis Karageorgis

Indexed on: 09 Mar '05Published on: 09 Mar '05Published in: Mathematics - Analysis of PDEs

Abstract

We study the nonlinear wave equation with a sign-changing potential in any space dimension. If the potential is small and rapidly decaying, then the existence of small-amplitude solutions is driven by the nonlinear term. If the potential induces growth in the linearized problem, however, solutions that start out small may blow-up in finite time.

Existence and blow up of small-amplitude nonlinear waves with a sign-changing potential

Abstract

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Existence and blow up of small-amplitude nonlinear waves with a sign-changing potential

Abstract

More like this:

Ground states and concentration phenomena for the fractional Schr\"odinger equation

On a class of Gibbs potential-based nonlinear elastic models with small strains

Semiclassical stationary states for nonlinear Schroedinger equations with fast decaying potentials

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