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  • 學位論文

反應擴散對流方程的傳動波解

Travelling Wave Solutions for Reaction-Diffusion-Advection Equations

指導教授 : 陳俊全
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摘要


本論文分成兩部份。 第一部份是關於反應擴散對流方程 的傳動波解。我們考慮具有週期性的對流場 、燃燒型態及半穩定的非線性反應項 。我們主要整理Berestycki和Hamel文章[1]中的脈衝波的存在性、唯一性及單調性結 果。第二部份主要是處理三種競爭物種Lotka-Volterra系統的確切傳動波解。

並列摘要


There are two parts in this paper. Part I is concerned with the travelling wave solutions for reaction-diffusion-advection equations . We consider periodic advection and combustion, monostable nonlinear reaction term . We mainly survey the results of existence, uniqueness, and monotonicity of pulsating waves from the paper by Berestycki and Hamel [1]. Part II deals with exact travelling wave solutions of competitive Lotka-Volterra systems of three species.

參考文獻


[1] H. Berestycki, F. Hamel, Front propagation in periodic excitable media, Comm. Pure Appl. Math. 55 (2002), 949-1032.
[2] H. Berestycki, F. Hamel, N. Nadirashvili, The speed of propagation for KPP type problems: I-Periodic framework, J. Eur. Math. Soc. 7 (2005), 173-213.
[3] H. Berestycki, L. Nirenberg, Travelling fronts in cylinders, Ann. Inst. H. Poincar, Anal. Non Linaire 9 (1992), no. 5, 497-572.
[4] M. Bages, P. Martines, Existence of pulsating waves of advection-reaction-diffusion equation of ignition type by a new method, Nonlinear Analysis (2009)
[5] P. Lax, Functional analysis, John Wiley & Sons, Inc., New York, 2002.

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