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Global existence and asymptotic stability for coupled nonlinear Klein-Gordon equations with nonlinear damping terms

机译:带有非线性阻尼项的非线性Klein-Gordon耦合方程的整体存在性和渐近稳定性

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摘要

We study coupled nonlinear Klein-Gordon equations with nonlinear damping and source terms, in a bounded domain with the initial and Dirichlet boundary conditions. The existence of global solutions is discussed by using the potential well method, and the asymptotic stability is also given by applying a lemma due to V. Komornik [Exact controllability and stabilization. The multiplier method. Paris: RAM: Research in Applied Mathematics, Masson-John Wiley; 1994].
机译:我们在具有初始和Dirichlet边界条件的有界域中研究具有非线性阻尼和源项的非线性Klein-Gordon方程。通过使用势阱方法讨论了整体解的存在性,并且还通过应用V. Komornik [精确的可控制性和稳定性]引理给出了渐近稳定性。乘数法。巴黎:RAM:应用数学研究,Masson-John Wiley; 1994]。

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