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MiS Preprint Repository

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MiS Preprint
64/2011

Simultaneous Blowup and Mass Separation During Collapse in an Interacting System of Chemotactic Species

Elio Eduardo Espejo, Angela Stevens and Takashi Suzuki

Abstract

We study an interacting system of chemotactic species in two-space dimensions. First, we show that there is a parameter region which ensures simultaneous blowup also for non-radially symmetric solutions. If the existence time of the solution is finite, there is a formation of collapse (possibly degenerate) for each component, total mass quantization, and formation of subcollapses. For radially symmetric solutions we can rigorously prove that the collapse concentrates mass on one component if the total masses of the other components are relatively small. Several related results are also shown.

Received:
Oct 6, 2011
Published:
Oct 10, 2011

Related publications

inJournal
2012 Repository Open Access
Elio Eduardo Espejo Arenas, Angela Stevens and Takashi Suzuki

Simultaneous blowup and mass separation during collapse in an interacting system of chemotactic species

In: Differential and integral equations, 25 (2012) 3/4, pp. 251-288