The Patlak-Keller-Segel model and its variations: properties of solutions via maximum principle
classification
🧮 math.AP
keywords
solutionstermwellaggregationanalysisargumentsasymptoticbehavior
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In this paper we investigate qualitative and asymptotic behavior of solutions for a class of diffusion-aggregation equations. Most results except the ones in section 3 and 6 concern radial solutions. The challenge in the analysis consists of the nonlocal aggregation term as well as the degeneracy of the diffusion term which generates compactly supported solutions. The key tools used in the paper are maximum-principle type arguments as well as estimates on mass concentration of solutions.
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