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一类带内部吸收项的反应扩散方程解的渐近行为
Asymptotic Behavior for a Reaction-diffusion Equation with inner Absorption and Neumann Boundary Conditions
【摘要】 研究了一类带有内部吸收项以及边界条件为指数形式的反应扩散方程解的性质,得到了爆破集,爆破率以及临近爆破时间的爆破行为.其中爆破率和爆破集是不依赖于吸收项的.
【Abstract】 This paper deals with a reaction-diffusion equation with inner absorption and boundary flux of exponential forms.The blow-up rate is determined with the blow-up set,and the blow-up profile near the blow-up time is obtained.It is served that the blow-uprate and profile are independent of the nonlinear absorption term.
【关键词】 反应扩散方程;
渐近行为;
吸收项;
临界指数;
爆破率;
爆破集;
【Key words】 reaction-diffusion equation; asymptotic behavior; inner absorption; critical exponent; blow-up rate; blow-up set;
【Key words】 reaction-diffusion equation; asymptotic behavior; inner absorption; critical exponent; blow-up rate; blow-up set;
【基金】 国家自然科学基金(10871060)
- 【文献出处】 河南师范大学学报(自然科学版) ,Journal of Henan Normal University(Natural Science) , 编辑部邮箱 ,2008年06期
- 【分类号】O175.2
- 【下载频次】20