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Hacettepe Journal of Mathematics and Statistics
Article . 2025 . Peer-reviewed
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On an attraction-repulsion chemotaxis model involving logistic source

Authors: Ebubekir Akkoyunlu;

On an attraction-repulsion chemotaxis model involving logistic source

Abstract

This paper is concerned with the attraction-repulsion chemotaxis system involving logistic source: $u_{t}=\Delta u-\chi \nabla \cdot \left( u\nabla \upsilon \right) +\xi \nabla \cdot \left( u\nabla \omega \right) +f(u)$, $\rho \upsilon _{t}=\Delta \upsilon -\alpha_{1}\upsilon +\beta _{1}u$, $\rho \omega _{t}=\Delta \omega -\alpha_{2}\omega +\beta _{2}u$ under homogeneous Neumann boundary conditions with nonnegative initial data $(u_{0},\upsilon _{0},\omega _{0})\in $ $\left( W^{1,\infty }\left( \Omega \right) \right) ^{3}$, the parameters $\chi $, $\xi $, $\alpha _{1}$, $\alpha_{2}$, $\beta _{1}$, $\beta _{2}>0$, $\rho \geq 0$ subject to the non-flux boundary conditions in a bounded domain $\Omega \subset\mathbb{R}^{N}(N\geq 3)$ with smooth boundary and $f(u)\leq au-\mu u^{2}$ with $f(0)\geq 0$ and $a\geq 0$, $\mu >0$ for all $u>0$. Based on the maximal Sobolev regularity and semigroup technique, it is proved that the system admits a globally bounded classical solution provided that $\chi +\xi <\frac{\mu }{2}$ and there exists a constant $\beta _{\ast }>0$ is sufficiently small for all $\beta _{1}$, $\beta _{2}<\beta _{\ast }$.

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Keywords

Matematik, attraction-repulsion;chemotaxis;logistic source;global existence, Mathematical Sciences

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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