The mathematical theories of diffusion: nonlinear and fractional diffusion
We describe the mathematical theory of diffusion and heat transport with a view to including
some of the main directions of recent research. The linear heat equation is the basic …
some of the main directions of recent research. The linear heat equation is the basic …
Sharp uniform-in-time mean-field convergence for singular periodic Riesz flows
AC de Courcel, M Rosenzweig, S Serfaty - arXiv preprint arXiv …, 2023 - ems.press
We consider conservative and gradient flows for N-particle Riesz energies with meanfield
scaling on the torus Td, for d 1, and with thermal noise of McKean–Vlasov type. We prove …
scaling on the torus Td, for d 1, and with thermal noise of McKean–Vlasov type. We prove …
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 …
the broad field of aggregation-diffusion equations. We aim to provide historical context, key …
Analysis and mean-field derivation of a porous-medium equation with fractional diffusion
A mean-field-type limit from stochastic moderately interacting many-particle systems with
singular Riesz potential is performed, leading to nonlocal porous-medium equations in the …
singular Riesz potential is performed, leading to nonlocal porous-medium equations in the …
Classical solutions for fractional porous medium flow
We consider the fractional porous medium flow introduced by Caffarelli and Vazquez (2011)
and obtain local in time existence, uniqueness, and blow-up criterion for smooth solutions …
and obtain local in time existence, uniqueness, and blow-up criterion for smooth solutions …
Existence of weak solutions for a general porous medium equation with nonlocal pressure
We study the general nonlinear diffusion equation u_t= ∇ ⋅ (u^ m-1 ∇ (-Δ)^-su) ut=∇·(um-
1∇(-Δ)-su) that describes a flow through a porous medium which is driven by a nonlocal …
1∇(-Δ)-su) that describes a flow through a porous medium which is driven by a nonlocal …
Fractional higher order thin film equation with linear mobility: gradient flow approach
S Lisini - Calculus of Variations and Partial Differential …, 2024 - Springer
We prove existence of weak solutions of a fractional thin film type equation with linear
mobility in any space dimension and for any order of the equation. The proof is based on a …
mobility in any space dimension and for any order of the equation. The proof is based on a …
Trend to equilibrium for flows with random diffusion
S Aryan, M Rosenzweig… - International Mathematics …, 2024 - academic.oup.com
Motivated by the possibility of noise to cure equations of finite-time blowup, the recent work
by the second and third named authors showed that with quantifiable high probability …
by the second and third named authors showed that with quantifiable high probability …
On a fractional thin film equation
A Segatti, JL Vázquez - Advances in Nonlinear Analysis, 2020 - degruyter.com
This paper deals with a nonlinear degenerate parabolic equation of order α between 2 and
4 which is a kind of fractional version of the Thin Film Equation. Actually, this one …
4 which is a kind of fractional version of the Thin Film Equation. Actually, this one …
Global solutions of aggregation equations and other flows with random diffusion
M Rosenzweig, G Staffilani - Probability Theory and Related Fields, 2023 - Springer
Aggregation equations, such as the parabolic-elliptic Patlak–Keller–Segel model, are known
to have an optimal threshold for global existence versus finite-time blow-up. In particular, if …
to have an optimal threshold for global existence versus finite-time blow-up. In particular, if …