Beginner's guide to aggregation-diffusion equations

D Gómez-Castro - SeMA Journal, 2024 - Springer
The aim of this survey is to serve as an introduction to the different techniques available in
the broad field of aggregation-diffusion equations. We aim to provide historical context, key …

Local and global existence for nonlocal multispecies advection-diffusion models

V Giunta, T Hillen, M Lewis, JR Potts - SIAM Journal on Applied Dynamical …, 2022 - SIAM
Nonlocal advection is a key process in a range of biological systems, from cells within
individuals to the movement of whole organisms. Consequently, in recent years, there has …

From radial symmetry to fractal behavior of aggregation equilibria for repulsive–attractive potentials

JA Carrillo, R Shu - Calculus of Variations and Partial Differential …, 2023 - Springer
For the interaction energy with repulsive–attractive potentials, we give generic conditions
which guarantee the radial symmetry of the local minimizers in the infinite Wasserstein …

Incompressible limits of the Patlak-Keller-Segel model and its stationary state

Q He, HL Li, B Perthame - Acta Applicandae Mathematicae, 2023 - Springer
We complete previous results about the incompressible limit of both the n-dimensional (n≥
3) compressible Patlak-Keller-Segel (PKS) model and its stationary state. As in previous …

Uniqueness of entire ground states for the fractional plasma problem

H Chan, MM González, Y Huang, E Mainini… - Calculus of Variations …, 2020 - Springer
We establish uniqueness of vanishing radially decreasing entire solutions, which we call
ground states, to some semilinear fractional elliptic equations. In particular, we treat the …

Isodiametry, variance, and regular simplices from particle interactions

T Lim, RJ McCann - Archive for Rational Mechanics and Analysis, 2021 - Springer
Consider a collection of particles interacting through an attractive-repulsive potential given
as a difference of power laws and normalized so that its unique minimum occurs at unit …

Existence and non-uniqueness of stationary distributions for distribution dependent SDEs

SQ Zhang - Electronic Journal of Probability, 2023 - projecteuclid.org
The existence and non-uniqueness of stationary distributions for distribution dependent
stochastic differential equations with regular coefficients and singular coefficients are …

Aggregation-diffusion phenomena: from microscopic models to free boundary problems

I Kim, A Mellet, J Sheung-Him Wu - Active Particles, Volume 4, 2024 - Springer
This chapter reviews (and expands) some recent results on the modeling of aggregation-
diffusion phenomena at various scales, focusing on the emergence of collective dynamics …

Classifying minimum energy states for interacting particles: spherical shells

C Davies, T Lim, RJ McCann - SIAM Journal on Applied Mathematics, 2022 - SIAM
Particles interacting through long-range attraction and short-range repulsion given by power-
laws have been widely used to model physical and biological systems and to predict or …

[HTML][HTML] Uniqueness of stationary states for singular Keller–Segel type models

V Calvez, JA Carrillo, F Hoffmann - Nonlinear Analysis, 2021 - Elsevier
We consider a generalised Keller–Segel model with non-linear porous medium type
diffusion and non-local attractive power law interaction, focusing on potentials that are more …