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A Class of Fourth Order Damped Wave Equations with Arbitrary Positive Initial Energy

Published online by Cambridge University Press:  14 September 2018

Yang Liu
Affiliation:
College of Mathematics, Sichuan University, Chengdu 610065, People's Republic of China ([email protected]) College of Mathematics and Computer Science, Northwest University for Nationalities, Lanzhou 730124, People's Republic of China
Jia Mu
Affiliation:
College of Mathematics and Computer Science, Northwest University for Nationalities, Lanzhou 730124, People's Republic of China
Yujuan Jiao
Affiliation:
College of Mathematics and Computer Science, Northwest University for Nationalities, Lanzhou 730124, People's Republic of China

Abstract

In this paper, we study the initial boundary value problem for a class of fourth order damped wave equations with arbitrary positive initial energy. In the framework of the energy method, we further exploit the properties of the Nehari functional. Finally, the global existence and finite time blow-up of solutions are obtained.

Type
Research Article
Copyright
Copyright © Edinburgh Mathematical Society 2018 

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