Articles

DISAPPEARANCE OF INTERFACES FOR DEGENERATE PARABOLIC EQUATIONS WITH VARIABLE DENSITY AND ABSORPTION

  • Hu Xuegang ,
  • Mu Chunlai
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  • 1.Department of Mathematics, Sichuan University, Chengdu 610064, China
    2.Institute of Applied Mathematics, Chongqing University of Posts and Telecommunications, Chongqing 400065, China

Received date: 2006-01-08

  Revised date: 1900-01-01

  Online published: 2007-10-20

Abstract

In this article, the authors deal with the Cauchy problem of a nonlinear parabolic equation with variable density and absorption. By using energy methods, the authors prove that the interfaces can disappear in finite time under some assumptions on the density functions.

Cite this article

Hu Xuegang , Mu Chunlai . DISAPPEARANCE OF INTERFACES FOR DEGENERATE PARABOLIC EQUATIONS WITH VARIABLE DENSITY AND ABSORPTION[J]. Acta mathematica scientia, Series B, 2007 , 27(4) : 735 -742 . DOI: 10.1016/S0252-9602(07)60071-X

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