A free boundary problem arising in chemotaxis

M Primicerio, Boris Zaltzman

Research output: Contribution to journalArticlepeer-review


We consider a parabolic-elliptic system of partial differential equations modelling the chemotaxis. We assume that the concentration of the organisms cannot exceed a limit value A. Consequently, a free boundary can exist separating a region where A = A from the region where A < A. In this paper we generalize the results of our privious study of the one-dimensional free boundary problem to the two-and three-dimensional radial symmetric cases.
Original languageEnglish GB
Pages (from-to)685-708
JournalAdvances in Mathematical Sciences and Applications
Issue number2
StatePublished - 2002


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