Exponential Decay Rates for the Damped Korteweg-de Vries Type Equation

Abstract

The exponential decay rate of L2-norm related to the Korteweg-de Vries equation with localized damping posed on whole real line will be established. In addition, by using classical arguments we determine the H1-norm of the solution associated to Korteweg-de Vries equation with damping in whole domain, can not have a decay property for an arbitrary initial data.

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