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《Journal of Jilin University(Science Edition)》 2007-01
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Radial Symmetric Solutions for a Generalized Diffusion Model in Population Problems

LIU Chang-chun,ZHANG Da-xin(College of Mathematics,Jilin University,Changchun 130012,China)  
We studied the radial symmetric solutions to the initial and boundary value problem of a fourth order nonlinear parabolic equation via the method of parabolic regularization and the Campanato framework and uniform Schauder type estimates,we obtained the existence of classical solutions for the regularized problem.On the basis of some necessary uniform estimates on the solutions of the regularized problem,we proved the existence of weak solutions.
【CateGory Index】: O175
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