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We develop techniques to capture the effect of transport on the long-term dynamics of small, localized initial data in nonlinearly coupled reaction-diffusion-advection equations on the real line. It is well-known that quadratic or cubic…

Analysis of PDEs · Mathematics 2020-07-23 Björn de Rijk , Guido Schneider

This paper investigates the properties of classical solutions to a class of chemotaxis systems that model interactions between tumor and immune cells. Our focus is on examining the global existence and explosion of such solutions in bounded…

We study an one{dimensional quasilinear system proposed by J. Tello and M. Winkler [19] which models the population dynamics of two competing species attracted by the same chemical. The kinetics terms of the interacting species are chosen…

Analysis of PDEs · Mathematics 2016-11-25 Jia Hu , Qi Wang , Jingyue Yang , Lu Zhang

We consider a model of cell motion with boundary signal production which describes some aspects of eukaryotic cell migration. Generic polarity markers located in the cell are transported by actin which they help to polymerize. This leads to…

Analysis of PDEs · Mathematics 2025-04-30 Nicolas Meunier , Philippe Souplet

We consider a Keller-Segel model coupled to the incompressible Navier-Stokes equations in spatial dimensions two and three. We establish the local existence of regular solutions and present some blow-up criteria for both cases that…

Analysis of PDEs · Mathematics 2013-04-30 Myeongju Chae , Kyungkeun Kang , Jihoon Lee

Kinetic-transport equations that take into account the intra-cellular pathways are now considered as the correct description of bacterial chemotaxis by run and tumble. Recent mathematical studies have shown their interest and their…

Analysis of PDEs · Mathematics 2018-06-13 Benoît Perthame , Weiran Sun , Min Tang

We propose and study a strongly coupled PDE-ODE-ODE system modeling cancer cell invasion through a tissue network under the go-or-grow hypothesis asserting that cancer cells can either move or proliferate. Hence our setting features two…

Analysis of PDEs · Mathematics 2016-05-31 Anna Zhigun , Christina Surulescu , Alexander Hunt

We consider the Neumann problem for a coupled chemotaxis-haptotaxis model of cancer invasion with/without kinetic source in a 2D bounded and smooth domain. For a large class of cell kinetic sources including zero source and sub-logistic…

Analysis of PDEs · Mathematics 2020-01-08 Tian Xiang , Jiashan Zheng

A fully parabolic chemotaxis model of Keller-Segel type with local sensing is considered. The system features a signal-dependent asymptotically non-degenerate motility function, which accounts for a repulsion-dominated chemotaxis. Global…

Analysis of PDEs · Mathematics 2024-11-19 Jie Jiang , Philippe Laurençot

Chemotaxis describes the intricate interplay of cellular motion in response to a chemical signal. We here consider the case of slab geometry which models chemotactic motion between two infinite membranes. Like previous works, we are…

Analysis of PDEs · Mathematics 2026-01-16 Herbert Egger , Kathrin Hellmuth , Nora Philippi , Matthias Schlottbom

In this paper, we study the global in time existence problem for the Groma-Balogh model describing the dynamics of dislocation densities. This model is a two-dimensional model where the dislocation densities satisfy a system of transport…

Mathematical Physics · Physics 2015-05-13 Marco Cannone , Ahmad El Hajj , Regis Monneau , Francis Ribaud

In this article we highlight chemotaxis (cellular movement) as a rich source of potential engineering applications and computational models, highlighting current research and possible future work. We first give a brief description of the…

Cell Behavior · Quantitative Biology 2007-05-23 Martyn Amos , David A. Hodgson , Alan Gibbons

In this paper, we consider global existence of classical solutions to the following kinetic model of pattern formation \begin{equation} \begin{cases} u_t=\Delta (\gamma (v)u)+\mu u(1-u) -\Delta v+v=u \end{cases} \qquad (0.1)…

Analysis of PDEs · Mathematics 2020-01-03 Kentarou Fujie , Jie Jiang

In this article a kinetic model for the dynamics of myxobacteria colonies on flat surfaces is investigated. The model is based on the kinetic equation for collective bacteria dynamics introduced in arXiv:2001.02711, which is based on the…

Analysis of PDEs · Mathematics 2021-09-28 Laura Kanzler , Christian Schmeiser

This paper considers the two-species chemotaxis-Stokes system with competitive kinetics under homogeneous Neumann boundary conditions in a three-dimensional bounded domain with smooth boundary. Both chemotaxis-fluid systems and two-species…

Analysis of PDEs · Mathematics 2018-05-23 Xinru Cao , Shunsuke Kurima , Masaaki Mizukami

We study a cross-diffusion model for tissue regeneration which involves the dynamics of human mesenchymal stem cells interacting with chondrocytes in a medium containing a differentiation factor. The latter acts as a chemoattractant for the…

Analysis of PDEs · Mathematics 2025-11-04 Nishith Mohan , Christina Surulescu

This is the first report, to our knowledge, on a systematic method for constructing a large scale kinetic metabolic model with incomplete information on kinetic parametersr, and its initial application to the modeling of central metabolism…

Molecular Networks · Quantitative Biology 2008-08-05 P. Ao , L. W. Lee , Me Lidstrom , L. Yin , X. M. Zhu

In this paper, we study a cancer invasion model both theoretically and numerically. The model is a nonstationary, nonlinear system of three coupled partial differential equations modeling the motion of cancer cells, degradation of the…

Numerical Analysis · Mathematics 2023-08-02 Mario Fuest , Shahin Heydari , Petr Knobloch , Johannes Lankeit , Thomas Wick

We study the global existence and space-time asymptotics of solutions for a class of nonlocal parabolic semilinear equations. Our models include the Nernst-Planck and the Debye-Hukel drift-diffusion systems as well as parabolic-elliptic…

Analysis of PDEs · Mathematics 2008-03-17 Piotr Biler , Lorenzo Brandolese

This article is concerned with the existence of a weak solution to the initial boundary problem for a cross-diffusion system which arises in the study of two cell population growth. The mathematical challenge is due to the fact that the…

Analysis of PDEs · Mathematics 2020-04-14 Brock C. Price , Xiangsheng Xu