On the stabilizing effect of swimming in an active suspension

D Albritton, L Ohm - SIAM Journal on Mathematical Analysis, 2023 - SIAM
We consider a kinetic model of an active suspension of rodlike microswimmers. In certain
regimes, swimming has a stabilizing effect on the suspension. We quantify this effect near …

Uniform inviscid dam** and inviscid limit of the 2d navier-stokes equation with navier boundary conditions

J Bedrossian, S He, S Iyer, F Wang - ar** on the torus for the Vlasov-Poisson system with massless electrons
A Gagnebin, M Iacobelli - Journal of Differential Equations, 2023 - Elsevier
This paper studies the nonlinear Landau dam** on the torus T d for the Vlasov-Poisson
system with massless electrons (VPME). We consider solutions with analytic or Gevrey (γ> …

Nonlinear Landau dam** and wave operators in sharp Gevrey spaces

AD Ionescu, B Pausader, X Wang… - ar** in optimal weighted Gevrey-3 spaces for solutions of
the confined Vlasov-Poisson system on $\T^ d\times\R^ d $ which are small perturbations of …

Landau dam** and survival threshold

TT Nguyen - arxiv preprint arxiv:2305.08672, 2023 - arxiv.org
In this paper, we establish the large time asymptotic behavior of solutions to the linearized
Vlasov-Poisson system near general spatially homogenous equilibria $\mu (\frac12| v|^ 2) …

Taylor dispersion and phase mixing in the non‐cutoff Boltzmann equation on the whole space

J Bedrossian, M Coti Zelati… - Proceedings of the …, 2024 - Wiley Online Library
In this paper we describe the long‐time behavior of the non‐cutoff Boltzmann equation with
soft potentials near a global Maxwellian background on the whole space in the weakly …

Orientation mixing in active suspensions

M Coti Zelati, H Dietert, D Gérard-Varet - Annals of PDE, 2023 - Springer
We study a popular kinetic model introduced by Saintillan and Shelley for the dynamics of
suspensions of active elongated particles where the particles are described by a distribution …

Non-existence of some approximately self-similar singularities for the Landau, Vlasov-Poisson-Landau, and Boltzmann equations

J Bedrossian, M Gualdani, S Snelson - Transactions of the American …, 2022 - ams.org
We consider the homogeneous and inhomogeneous Landau equation for very soft and
Coulomb potentials and show that approximate Type I self-similar blow-up solutions do not …

Linear and nonlinear phase mixing for the gravitational Vlasov-Poisson system under an external Kepler potential

S Chaturvedi, J Luk - arxiv preprint arxiv:2409.14626, 2024 - arxiv.org
In Newtonian gravity, a self-gravitating collisionless gas around a massive object such as a
star or a planet is modeled via the Vlasov--Poisson system with an external Kepler potential …

The massless electron limit of the Vlasov–Poisson–Landau system

P Flynn, Y Guo - Communications in Mathematical Physics, 2024 - Springer
Due to ion–electron collisions, it is impossible to derive any two-fluid model for plasma as a
direct hydrodynamic limit of the Vlasov–Poisson–Landau system for ions and electrons. At …