KMS Of Academy of mathematics and systems sciences, CAS
Global existence and blow-up solutions for quasilinear reaction-diffusion equations with a gradient term | |
Ding, Juntang1; Guo, Bao-Zhu1,2,3 | |
2011-06-01 | |
发表期刊 | APPLIED MATHEMATICS LETTERS |
ISSN | 0893-9659 |
卷号 | 24期号:6页码:936-942 |
摘要 | In this work, we study the blow-up and global solutions for a quasilinear reaction-diffusion equation with a gradient term and nonlinear boundary condition: {(g(u))(t) = Delta u + f (x, u, vertical bar del u vertical bar(2) t) in D x (0, T). partial derivative u/partial derivative n = r(u) on partial derivative D x (0, T) u(x, 0) = u(0)(x) > 0 in (D) over bar. where D subset of R-N is a bounded domain with smooth boundary partial derivative D. Through constructing suitable auxiliary functions and using maximum principles, the sufficient conditions for the existence of a blow-up solution, an upper bound for the "blow-up time", an upper estimate of the "blow-up rate", the sufficient conditions for the existence of the global solution, and an upper estimate of the global solution are specified tinder some appropriate assumptions on the nonlinear system functions f, g, r, and initial value u(0). (C) 2011 Elsevier Ltd. All rights reserved. |
关键词 | Reaction-diffusion equation Blow-up solution Global solution Gradient term |
DOI | 10.1016/j.aml.2010.12.052 |
语种 | 英语 |
资助项目 | National Natural Science Foundation of China[61074048] ; National Natural Science Foundation of China[60974032] ; National Basic Research Program of China[2011CB808002] ; Natural Science Foundation of Shanxi Province ; Shanxi Scholarship Council of China |
WOS研究方向 | Mathematics |
WOS类目 | Mathematics, Applied |
WOS记录号 | WOS:000288883800026 |
出版者 | PERGAMON-ELSEVIER SCIENCE LTD |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.amss.ac.cn/handle/2S8OKBNM/12378 |
专题 | 系统科学研究所 |
通讯作者 | Ding, Juntang |
作者单位 | 1.Shanxi Univ, Sch Math Sci, Taiyuan 030006, Peoples R China 2.Acad Sinica, Acad Math & Syst Sci, Beijing 100190, Peoples R China 3.Univ Witwatersrand, Sch Computat & Appl Math, ZA-2050 Johannesburg, South Africa |
推荐引用方式 GB/T 7714 | Ding, Juntang,Guo, Bao-Zhu. Global existence and blow-up solutions for quasilinear reaction-diffusion equations with a gradient term[J]. APPLIED MATHEMATICS LETTERS,2011,24(6):936-942. |
APA | Ding, Juntang,&Guo, Bao-Zhu.(2011).Global existence and blow-up solutions for quasilinear reaction-diffusion equations with a gradient term.APPLIED MATHEMATICS LETTERS,24(6),936-942. |
MLA | Ding, Juntang,et al."Global existence and blow-up solutions for quasilinear reaction-diffusion equations with a gradient term".APPLIED MATHEMATICS LETTERS 24.6(2011):936-942. |
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