Multiple peak aggregations for the Keller-Segel system

被引:5
|
作者
Seki, Yukihiro [1 ]
Sugiyama, Yoshie [2 ]
Velazquez, Juan J. L. [1 ]
机构
[1] Univ Bonn, Inst Appl Math, D-53115 Bonn, Germany
[2] Osaka City Univ, Dept Math, Sumiyoshi Ku, Osaka 5588585, Japan
关键词
CONCENTRATION REGIONS; CHEMOTAXIS MODEL; POINT DYNAMICS; SINGULAR LIMIT; CRITICAL MASS; R-2; EXISTENCE;
D O I
10.1088/0951-7715/26/2/319
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
In this paper we derive matched asymptotic expansions for a solution of the Keller-Segel system in two space dimensions for which the amount of mass aggregation is 8 pi N, where N = 1, 2, 3, ... Previously available asymptotics had been computed only for the case in which N = 1.
引用
收藏
页码:319 / 352
页数:34
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