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Mohammed Aassila 《Comptes Rendus Mathematique》2002,334(11):961-966
We study the semilinear wave equation utt?Δu=p?k|u|m in , where p is a conformal factor approaching 0 at infinity. We prove that the solutions blow-up in finite time for small powers m, while having an arbitrarily long life-span for large m. Furthermore, we study the finite time blow-up of solutions for the class of quasilinear wave equations utt?Δu=p?k|Lu|m in . To cite this article: M. Aassila, C. R. Acad. Sci. Paris, Ser. I 334 (2002) 961–966. 相似文献
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Mohammed Aassila 《Journal of Differential Equations》2003,192(1):47-69
This article has been retracted at the request of the editor.Reason: This paper was discovered after publication to have been plagiarized from earlier work by Michael Chipot and Luc Molinet, presented in their paper Asymptotic behaviour of some nonlinear diffusion problems, published in volume 80 of Applicable Analysis in 2001 and in the book Elements of Nonlinear Analysis published by Birkhaeuser in 2000. We very much regret this error, and offer our apologies to Professors Chipot and Molinet. 相似文献
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M. Aassila 《Mathematische Nachrichten》2002,235(1):5-15
We study the global existence and asymptotic stability of solutions of dynamic PDE models of suspension bridges. 相似文献
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Mohammed Aassila 《Mathematical Methods in the Applied Sciences》1998,21(13):1185-1194
In this paper we prove the global existence and study decay property of the solutions to the initial boundary value problem for the quasi-linear wave equation with a dissipative term without the smallness of the initial data. © 1998 B. G. Teubner Stuttgart—John Wiley & Sons, Ltd. 相似文献
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M. Aassila M.M. Cavalcanti V.N. Domingos Cavalcanti 《Calculus of Variations and Partial Differential Equations》2002,15(2):155-180
We consider the nonlinear model of the wave equation
subject to the following nonlinear boundary conditions
We show existence of solutions by means of Faedo-Galerkin method and the uniform decay is obtained by using the multiplier
technique.
Received: 15 June 2000 / Accepted: 4 December 2000 / Published online: 29 April 2002 相似文献
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Mohammed Aassila 《Journal of Applied Mathematics and Computing》2003,11(1-2):81-108
We consider the Korteweg-de Vries-Burgers (KdVB) equation on the domain [0,1]. We derive a control law which guaranteesL 2-global exponential stability,H 3-global asymptotic stability, andH 3-semiglobal exponential stability. 相似文献
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We investigate the blow-up of the solution to a complex Ginzburg-Landau like equation in u coupled with a Poisson equation in f\phi defined on the whole space \Bbb Rn, n = 1{\Bbb R}^n, n = 1 or 2. 相似文献
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