Keller-Segel chemotaxis models: A review

G Arumugam, J Tyagi - Acta Applicandae Mathematicae, 2021 - Springer
We recount and discuss some of the most important methods and blow-up criteria for
analyzing solutions of Keller-Segel chemotaxis models. First, we discuss the results …

[HTML][HTML] Asymptotic dynamics on a singular chemotaxis system modeling onset of tumor angiogenesis

ZA Wang, Z Xiang, P Yu - Journal of Differential Equations, 2016 - Elsevier
The asymptotic behavior of solutions to a singular chemotaxis system modeling the onset of
tumor angiogenesis in two and three dimensional whole spaces is investigated in the paper …

[HTML][HTML] Renormalized radial large-data solutions to the higher-dimensional Keller–Segel system with singular sensitivity and signal absorption

M Winkler - Journal of Differential Equations, 2018 - Elsevier
The chemotaxis system {ut= Δ u−∇⋅(uv∇ v), vt= Δ v− uv,(⋆) is considered under
homogeneous Neumann boundary conditions in the ball Ω= BR (0)⊂ R n, where R> 0 and …

The two-dimensional Keller–Segel system with singular sensitivity and signal absorption: Global large-data solutions and their relaxation properties

M Winkler - Mathematical Models and Methods in Applied …, 2016 - World Scientific
We consider the chemotaxis system ut= Δ u−∇⋅ uv∇ v,<? A3B2 [rowsep= 6pt]?> vt= Δ v−
uv, as originally introduced in 1971 by Keller and Segel in the second of their seminal works …

Asymptotic and viscous stability of large-amplitude solutions of a hyperbolic system arising from biology

VR Martinez, Z Wang, K Zhao - Indiana University Mathematics Journal, 2018 - JSTOR
In this paper, we study the qualitative behavior of the Cauchy problem of a hyperbolic model
\left{p_t-∇⋅\left(pq\right)\,=\,Δp,\,x∈\CalR^d,t>0,\hfillq_t-∇\left(ε|q|^2+p\right)\,=\,εΔq,\hfill\cr …

Existence and stability of boundary spike layer solutions of an attractive chemotaxis model with singular sensitivity and nonlinear consumption rate of chemical stimuli

Z Feng, K Zhao, S Zhou - Physica D: Nonlinear Phenomena, 2025 - Elsevier
This paper is devoted to the study of the existence and stability of non-trivial steady state
solutions to the following coupled system of PDEs on the half-line R+=(0,∞): ut= uxx− χ [u (ln …

Approaching logarithmic singularities in quasilinear chemotaxis-consumption systems with signal-dependent sensitivities.

M Winkler - … & Continuous Dynamical Systems-Series B, 2022 - search.ebscohost.com
The chemotaxis system {ut=∇⋅(D (u)∇ u)−∇⋅(u S (x, u, v)⋅∇ v), vt= Δ v− uv, is considered
in a bounded domain Ω⊂ R n, n≥ 2, with smooth boundary. It is shown that if …

Boundary spike‐layer solutions of the singular Keller–Segel system: existence and stability

JA Carrillo, J Li, ZA Wang - Proceedings of the London …, 2021 - Wiley Online Library
We explore the existence and nonlinear stability of boundary spike‐layer solutions of the
Keller–Segel system with logarithmic singular sensitivity in the half space, where the …

Stability of boundary layers for a viscous hyperbolic system arising from chemotaxis: one-dimensional case

Q Hou, CJ Liu, YG Wang, Z Wang - SIAM Journal on Mathematical Analysis, 2018 - SIAM
This paper is concerned with the stability of boundary layer solutions for a viscous
hyperbolic system transformed via a Cole--Hopf transformation from a singular chemotactic …

[HTML][HTML] Eventual smoothness of generalized solutions to a singular chemotaxis-Stokes system in 2D

T Black - Journal of Differential Equations, 2018 - Elsevier
We study the chemotaxis–fluid system {n t+ u⋅∇ n= Δ n−∇⋅(nc∇ c), x∈ Ω, t> 0, c t+ u⋅∇
c= Δ c− nc, x∈ Ω, t> 0, u t+∇ P= Δ u+ n∇ ϕ, x∈ Ω, t> 0,∇⋅ u= 0, x∈ Ω, t> 0, under …