Acta mathematica scientia,Series A ›› 2017, Vol. 37 ›› Issue (2): 326-341.

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Blow up of Periodic Solutions for a Class of Keller-Segel Equations Arising in Biology

Duan Shuangshuang, Huang Shoujun   

  1. School of Mathematics and Computer Science, Anhui Normal University, Anhui Wuhu 241002
  • Received:2016-07-12 Revised:2016-12-23 Online:2017-04-26 Published:2017-04-26
  • Supported by:
    Supported by the NSFC (11301006) and the Natural Science Foundation of Anhui Province (1408085MA01)

Abstract: In this paper, we consider the blow up phenomenon of periodic solutions to the Cauchy problem for a class of Keller-Segel equations arising in biology. The initial data is assumed to be periodic and has a bounded total variations on a periodic interval. Then we are able to prove that the smooth periodic solutions of the Keller-Segel equations will blow up in finite time. Moreover, the lifespan for the solutions is also given.

Key words: Keller-Segel model, Chemotaxis, Periodic solution, Blow up, Lifespan

CLC Number: 

  • O175.2
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