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Chemotaxis model with nonlocal nonlinear reaction in the whole space

  • * Corresponding author: Shen Bian

    * Corresponding author: Shen Bian 
The first author is supported by NNSF of China (No. 11501025) and the Alexander von Humboldt Foundation, the second author is supported by DFG Project CH 955/3-1.
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  • This paper deals with a parabolic-elliptic chemotaxis system with nonlocal type of source in the whole space. It's proved that the initial value problem possesses a unique global solution which is uniformly bounded. Here we identify the exponents regimes of nonlinear reaction and aggregation in such a way that their scaling and the diffusion term coincide (see Introduction). Comparing to the classical KS model (without the source term), it's shown that how energy estimates give natural conditions on the nonlinearities implying the absence of blow-up for the solution without any restriction on the initial data.

    Mathematics Subject Classification: Primary: 35K35, 35A01; Secondary: 35B33.


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