S{I{R Epidemic Models with Directed Di usion
نویسندگان
چکیده
A generalization of the Gurtin{MacCamy model for an S{I{R epidemic is described. The new model, which includes di usion away from overcrowded regions, retains many of the interesting qualitative features of previous models. In addition, the global{in{time existence of solutions is proved for a special case. Qualitative properties of the solution are discussed and illustrated with a numerical example.
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