Uniform in time -estimates for an attraction-repulsion chemotaxis system with double saturation

S Frassu, RR Galván, G Viglialoro - arXiv preprint arXiv:2106.07038, 2021 - arxiv.org
In this paper we focus on an attraction-repulsion chemotaxis model with consumed signals,
formulated in bounded and smooth domains $\Omega $ of $\R^ n $, with $ n\geq 2$. We …

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 …

Finite element approximation of a Keller–Segel model with additional self-and cross-diffusion terms and a logistic source

SM Hassan, AJ Harfash - … in Nonlinear Science and Numerical Simulation, 2022 - Elsevier
A fully finite element approximation of the Keller–Segel model, including self-and cross-
diffusion terms and a logistic source, has been considered. The existence of a fully finite …

Dissipative gradient nonlinearities prevent -formations in local and nonlocal attraction-repulsion chemotaxis models

T Li, DA Soba, A Columbu, G Viglialoro - arXiv preprint arXiv:2405.03586, 2024 - arxiv.org
We study some attraction repulsion chemotaxis models, characterized by nonlinearities laws
for the diffusion of the cell density, and for the chemosensitivities and the production rates of …

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 …

A Review on the Analysis and Optimal Control of Chemotaxis-Consumption Models

F Guillén-González - arXiv preprint arXiv:2402.06564, 2024 - arxiv.org
In the present review we focus on the chemotaxis-consumption model $\partial_t u-\Delta u=-
\nabla\cdot (u\nabla v) $ and $\partial_t v-\Delta v=-u^ sv $ in $(0, T)\times\Omega $, for any …

A Review on the Analysis and Optimal Control of Chemotaxis-Consumption Models

AL Corrêa Vianna Filho, F Guillén-González - SeMA Journal, 2024 - Springer
In the present review we focus on the chemotaxis-consumption model∂ tu-Δ u=-∇·(u∇ v)
and∂ tv-Δ v=-usv in (0, T)× Ω, for any fixed s≥ 1, endowed with isolated boundary …

A linearized decoupled Crank–Nicolson FEM for Keller–Segel chemotactic model with nonlinear secretion

D Shi, C Li - Communications in Nonlinear Science and Numerical …, 2023 - Elsevier
A linearized decoupled Crank–Nicolson (CN) fully discrete scheme is developed by
Galerkin FEM for a class of chemotactic models with nonlinear secretion. The scheme can …

Numerical analysis of a chemotaxis model for tumor invasion

JE Pérez-López, DA Rueda-Gómez… - Advances in …, 2022 - Springer
This paper is devoted to the study of a time-discrete scheme and its corresponding fully
discretization approximating ad-dimensional chemotaxis model describing tumor invasion …