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 …

Positivity-preserving and energy-dissipative finite difference schemes for the Fokker–Planck and Keller–Segel equations

J Hu, X Zhang - IMA Journal of Numerical Analysis, 2023 - academic.oup.com
In this work we introduce semi-implicit or implicit finite difference schemes for the continuity
equation with a gradient flow structure. Examples of such equations include the linear …

Discrete maximum principle of a high order finite difference scheme for a generalized Allen-Cahn equation

J Shen, X Zhang - arxiv preprint arxiv:2104.11813, 2021 - arxiv.org
We consider solving a generalized Allen-Cahn equation coupled with a passive convection
for a given incompressible velocity field. The numerical scheme consists of the first order …

Error estimates and blow-up analysis of a finite-element approximation for the parabolic-elliptic Keller-Segel system

W Chen, Q Liu, J Shen - arxiv preprint arxiv:2212.07655, 2022 - arxiv.org
The Keller-Segel equations are widely used for describing chemotaxis in biology. Recently,
a new fully discrete scheme for this model was proposed in [46], mass conservation …

An unconditionally energy stable and positive upwind DG scheme for the Keller–Segel model

D Acosta-Soba, F Guillén-González… - Journal of Scientific …, 2023 - Springer
The well-suited discretization of the Keller–Segel equations for chemotaxis has become a
very challenging problem due to the convective nature inherent to them. This paper aims to …

Bound-preserving finite element approximations of the Keller–Segel equations

S Badia, J Bonilla… - Mathematical Models and …, 2023 - World Scientific
This paper aims to develop numerical approximations of the Keller–Segel equations that
mimic at the discrete level the lower bounds and the energy law of the continuous problem …

On a chemotaxis-Navier-Stokes system with Lotka-Volterra competitive kinetics: Theoretical and numerical analysis

CM Beltran-Larrotta, DA Rueda-Gomez… - Applied Numerical …, 2023 - Elsevier
This work is devoted to the theoretical and numerical analysis of a two-species chemotaxis-
Navier-Stokes system with Lotka-Volterra competitive kinetics in a bounded domain of R d …

Direct discontinuous Galerkin method with interface correction for the Keller-Segel chemotaxis model

X Zhong, C Qiu, J Yan - Journal of Scientific Computing, 2024 - Springer
Abstract The Keller-Segel (KS) chemotaxis equation is a widely studied mathematical model
for understanding the collective behavior of cells in response to chemical gradients. This …

Analysis of a fully discrete approximation for the classical Keller–Segel model: Lower and a priori bounds

JV Gutiérrez-Santacreu… - Computers & Mathematics …, 2021 - Elsevier
This paper is devoted to constructing approximate solutions for the classical Keller–Segel
model governing chemotaxis. It consists of a system of nonlinear parabolic equations, where …

A posteriori error control for a Discontinuous Galerkin approximation of a Keller-Segel model

J Giesselmann, K Kwon - arxiv preprint arxiv:2309.09036, 2023 - arxiv.org
We provide a posteriori error estimates for a discontinuous Galerkin scheme for the
parabolic-elliptic Keller-Segel system in 2 or 3 space dimensions. The estimates are …