activity
20192026
most citedOn the effect of fast rotation and vertical viscosity on the lifespan of the primitive equations

9 citations · 27 across the 24 of their papers we have counts for

collaborators

28 papers

math.PR2026

Spectral gap for the stochastic primitive equations under degenerate Brownian forcing

Quyuan Lin, Rongchang Liu, Kening Lu

We prove a weighted Wasserstein spectral gap for the three-dimensional primitive equations on under finite-rank additive Brown…

math.AP2026

Global well-posedness for the 2D primitive equations with subcritical horizontal dissipation

Quyuan Lin, Changhui Tan

We establish global well-posedness of classical solutions to the two-dimensional primitive equations with fractional horizontal dissipation for arbitrarily large initial data in th…

math.AP2026

On the Non-isothermal Nernst-Planck-Navier-Stokes System

Elie Abdo, Quyuan Lin

Electrodiffusion has been extensively studied in the isothermal setting, whereas the mathematical theory of thermally coupled electrodiffusion remains comparatively underdeveloped.…

math.AP2026

Rigorous justification of the hydrostatic-incompressible approximation for weakly stratified isothermal flow

Quyuan Lin, Xin Liu

We consider the limit of small Mach number and small vertical-to-horizontal aspect ratio for the isothermal compressible Navier-Stokes system. In addition, we consider the scale in…

math.AP2026

Onsager-Type Energy Equality and Prodi--Serrin Uniqueness for Nernst--Planck Fluid Systems

Ruimeng Hu, Quyuan Lin, Qirui Peng

We study weak solutions of electrodiffusion systems coupling the Nernst--Planck equations with fluid models. First, for the three-dimensional Nernst--Planck--Euler system, we estab…

math.AP2026

Unveiling Traffic Wave of Linear Adaptive Cruise Control: A Second-order Macroscopic Traffic Flow Model

Zihao Li, Quyuan Lin, Fan Pu +4

Traffic waves, the spatiotemporal propagation of congestion, are a key feature of traffic flow. As Adaptive Cruise Control (ACC) systems gain widespread adoption and show promise f…

math.AP2025

On the Profile of Singularity Formation for the Incompressible Hydrostatic Boussinesq system

Slim Ibrahim, Quyuan Lin, Lingjun Qian +1

The primitive equations (PEs) model planetary large-scale oceanic and atmospheric dynamics. While it has been shown that there are smooth solutions to the inviscid PEs (also called…

math.AP2025

Well-posedness and ill-posedness of the primitive equations with fractional horizontal dissipation

Elie Abdo, Quyuan Lin, Changhui Tan

The primitive equations (PE) are a fundamental model in geophysical fluid dynamics. While the viscous PE are globally well-posed, their inviscid counterparts are known to be ill-po…

math.AP2025

Electroconvection in a Magnetic Field

Elie Abdo, Peter Constantin, Mihaela Ignatova +1

Electroconvection in a porous medium under a strong transversal magnetic field is described by an active scalar equation for the charge density. The equation has global weak soluti…

math.AP2025

Analysis and Numerical Approximation to Interactive Dynamics of Navier Stokes-Plate Interaction PDE System

Pelin G. Geredeli, Quyuan Lin, Dylan Mcknight +1

We consider a Navier-Stokes fluid-plate interaction (FSI) system which describes the evolutions of the fluid contained within a 3D cavity, as it interacts with a deformable elastic…

math.PR2025

Averaging principle for the stochastic primitive equations in the large rotation limit

Quyuan Lin, Rongchang Liu, Vincent R. Martinez

It is known that the unique ergodicity of the viscous primitive equations with additive white-in-time noise remains an open problem. In this work, we demonstrate that, as the rotat…

math.AP2025

On the local well-posedness of fractionally dissipated primitive equations with transport noise

Ruimeng Hu, Quyuan Lin, Rongchang Liu

We investigate the three-dimensional fractionally dissipated primitive equations with transport noise, focusing on subcritical and critical dissipation regimes characterized by $ (…

math.AP2024

On the Dirichlet Fractional Laplacian and Applications to the SQG Equation on Bounded Domains

Elie Abdo, Quyuan Lin

We investigate new properties of the fractional Dirichlet Laplacian on smooth bounded domains and establish fractional product estimates and nonlinear Poincaré inequalities. We als…

math.AP2024

Regularization by noise for the inviscid primitive equations

Ruimeng Hu, Quyuan Lin, Rongchang Liu

The deterministic inviscid primitive equations (also called the hydrostatic Euler equations) are known to be ill-posed in Sobolev spaces and in Gevrey classes of order strictly gre…

math.AP2024

On the Three-dimensional Nernst-Planck-Boussinesq System

Elie Abdo, Ruimeng Hu, Quyuan Lin

In this paper, we analyze a three-dimensional Nernst-Planck-Boussinesq (NPB) system that describes ionic electrodiffusion in an incompressible viscous fluid. This new model incorpo…

math.AP2024

Global well-posedness and enhanced dissipation for the 2D stochastic Nernst-Planck-Navier-Stokes equations with transport noise

Quyuan Lin, Rongchang Liu, Weinan Wang

In this paper, we consider the 2D stochastic Nernst-Planck-Navier-Stokes equations with transport noise. By assuming the ionic species have the same diffusivity and opposite valenc…

math.NA2024★ 1 cited

A PDE Perspective on Approximating Nonlocal Periodic Operators with Applications on Neural Networks for Critical SQG Equations

Elie Abdo, Ruimeng Hu, Quyuan Lin

Nonlocal periodic operators in partial differential equations (PDEs) pose challenges in constructing neural network solutions, which typically lack periodic boundary conditions. In…

math.AP2023★ 1 cited

On the Long-time Dynamics and Ergodicity of the Stochastic Nernst-Planck-Navier-Stokes System

Elie Abdo, Ruimeng Hu, Quyuan Lin

We consider an electrodiffusion model that describes the intricate interplay of multiple ionic species with a two-dimensional, incompressible, viscous fluid subjected to stochastic…

math.PR2023

Estimation of Anisotropic Viscosities for the Stochastic Primitive Equations

Igor Cialenco, Ruimeng Hu, Quyuan Lin

The viscosity parameters play a fundamental role in applications involving stochastic primitive equations (SPE), such as accurate weather predictions, climate modeling, and ocean c…

math.AP2023

Global existence for the stochastic Boussinesq equations with transport noise and small rough data

Quyuan Lin, Rongchang Liu, Weinan Wang

In this paper, we consider the stochastic Boussinesq equations on with transport noise and rough initial data. We first prove the existence and uniqueness of the loca…

math.AP2023

Pathwise Solutions for Stochastic Hydrostatic Euler Equations under the Local Rayleigh Condition

Ruimeng Hu, Quyuan Lin

The hydrostatic Euler equations are important in the study of atmospheric and oceanic dynamics in the planetary scale. While its deterministic version has been widely studied in th…

math.NA2022★ 1 cited

Higher-Order error estimates for physics-informed neural networks approximating the primitive equations

Ruimeng Hu, Quyuan Lin, Alan Raydan +1

Large-scale dynamics of the oceans and the atmosphere are governed by primitive equations (PEs). Due to the nonlinearity and nonlocality, the numerical study of the PEs is generall…

math.AP2022★ 9 cited

On the effect of fast rotation and vertical viscosity on the lifespan of the primitive equations

Quyuan Lin, Xin Liu, Edriss S. Titi

We study the effect of the fast rotation and vertical viscosity on the lifespan of solutions to the three-dimensional primitive equations (also known as the hydrostatic Navier-Stok…

math.AP2022★ 6 cited

Local Martingale Solutions and Pathwise Uniqueness for the Three-dimensional Stochastic Inviscid Primitive Equations

Ruimeng Hu, Quyuan Lin

We study the stochastic effect on the three-dimensional inviscid primitive equations (PEs, also called the hydrostatic Euler equations). Specifically, we consider a larger class of…