Articles with "segel system" as a keyword



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Nonnegative solutions to time fractional Keller–Segel system

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Published in 2020 at "Mathematical Methods in the Applied Sciences"

DOI: 10.1002/mma.6880

Abstract: We establish the existence of nonnegative weak solutions to time fractional Keller–Segel system with Dirichlet boundary condition in a bounded domain with smooth boundary. Since the considered system has a cross‐diffusion term and the corresponding… read more here.

Keywords: keller segel; system; solutions time; segel system ... See more keywords
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On the parabolic‐elliptic Keller–Segel system with signal‐dependent motilities: A paradigm for global boundedness and steady states

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Published in 2021 at "Mathematical Methods in the Applied Sciences"

DOI: 10.1002/mma.7455

Abstract: This paper is concerned with a parabolic‐elliptic Keller–Segel system where both diffusive and chemotactic coefficients (motility functions) depend on the chemical signal density. This system was originally proposed by Keller and Segel to describe the… read more here.

Keywords: keller segel; system; segel system; signal dependent ... See more keywords
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Global Boundedness of the Fully Parabolic Keller-Segel System with Signal-Dependent Motilities

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Published in 2020 at "Acta Applicandae Mathematicae"

DOI: 10.1007/s10440-021-00392-8

Abstract: This paper establishes the global uniform-in-time boundedness of solutions to the following Keller-Segel system with signal-dependent diffusion and chemotaxis { u t = ∇ ⋅ ( γ ( v ) ∇ u − u ϕ… read more here.

Keywords: keller; segel system; keller segel; phi ... See more keywords
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The variational formulation of the fully parabolic Keller–Segel system with degenerate diffusion

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Published in 2017 at "Journal of Differential Equations"

DOI: 10.1016/j.jde.2017.03.020

Abstract: Abstract We prove the time-global existence of solutions of the degenerate Keller–Segel system in higher dimensions, under the assumption that the mass of the first component is below a certain critical value. What we deal… read more here.

Keywords: segel system; system; time; keller segel ... See more keywords
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Blow-up and delay for a parabolic–elliptic Keller–Segel system with a source term

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Published in 2018 at "Boundary Value Problems"

DOI: 10.1186/s13661-018-1013-z

Abstract: In this paper, we are concerned with the parabolic–elliptic Keller–Segel system with a positive source term in a bounded domain in RN${\mathbb{R}}^{N}$ (N=2,3$N=2,3$), under homogeneous Dirichlet boundary condition, with time-dependent coefficients. Lower bounds for the… read more here.

Keywords: elliptic keller; parabolic elliptic; segel system; keller segel ... See more keywords