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math.AP2026

Optimal stability threshold in lower regularity spaces for the Vlasov-Poisson-Fokker-Planck equations

Weiren Zhao, Ruizhao Zi

In this paper, we study the optimal stability threshold for the Vlasov-Poisson equation with weak Fokker-Planck collision. We prove that if the initial perturbation is of size $ν^{…

math.AP2026

Corrigendum to "Optimal time-decay estimates for an Oldroyd-B model with zero viscosity [J. Differential Equations, 306(2022), 456--491]"

Jinrui Huang, Yinghui Wang, Huanyao Wen +1

The present note is to make minor correction on the assumption of Theorem 1.2 and its proof in our paper [arXiv:2111.02059, Jinrui Huang, Yinghui Wang, Huanyao Wen and Rizhao Zi, {…

math.AP2025

Landau damping and the long-time collisionless limit of the Vlasov-Poisson-Landau Equation

Jacob Bedrossian, Weiren Zhao, Ruizhao Zi

In this paper, we study the Vlasov-Poisson-Landau Equations on with small collision frequency . We prove that for -independent pertur…

math.AP2024

Asymptotic stability of the three-dimensional Couette flow for the Stokes-transport equation

Daniel Sinambela, Weiren Zhao, Ruizhao Zi

In this paper, we investigate the asymptotic stability of the three-dimensional Couette flow in a stratified fluid governed by the Stokes-transport equation. We observe that a simi…

math.AP2024

Asymptotic Stability of the two-dimensional Couette flow for the Stokes-transport equation in a finite channel

Daniel Sinambela, Weiren Zhao, Ruizhao Zi

We study the Stokes-transport system in a two-dimensional channel with horizontally moving boundaries, which serves as a reduced model for oceanography and sedimentation. The densi…