activity
20172021
most citedGlobal Solutions of a Surface Quasi-Geostrophic Front Equation

21 citations · 73 across the 10 of their papers we have counts for

collaborators

10 papers

hep-th2021

Constructing the general partial waves and renormalization in EFT

Jing Shu, Ming-Lei Xiao, Yu-Hui Zheng

We construct the general partial wave amplitude basis for the scattering, which consists of Poincaré Clebsch-Gordan coefficients, with Lorentz invariant forms given in ter…

math.AP2021

Charged Fluids in Porous Media

Mihaela Ignatova, Jingyang Shu

The Nernst-Planck-Darcy system models ionic electrodiffusion in porous media. We consider the system for two ionic species with opposite valences. We prove that the initial value p…

math.AP2021

Global Solutions of the Nernst-Planck-Euler Equations

Mihaela Ignatova, Jingyang Shu

We consider the initial value problem for the Nernst-Planck equations coupled to the incompressible Euler equations in . We prove global existence of weak solutions fo…

math.AP2020★ 2 cited

On the approximation of vorticity fronts by the Burgers-Hilbert equation

John K. Hunter, Ryan C. Moreno-Vasquez, Jingyang Shu +1

This paper proves that the motion of small-slope vorticity fronts in the two-dimensional incompressible Euler equations is approximated on cubically nonlinear timescales by a Burge…

math.AP2020★ 4 cited

Global solutions for a family of GSQG front equations

John K. Hunter, Jingyang Shu, Qingtian Zhang

We prove the global existence of solutions with small and smooth initial data of a nonlinear dispersive equation for the motion of generalized surface quasi-geostrophic (GSQG) fron…

math.AP2019★ 15 cited

Contour Dynamics for Surface Quasi-Geostrophic Fronts

John K. Hunter, Jingyang Shu, Qingtian Zhang

We use contour dynamics to derive equations of motion for infinite planar surface quasi-geostrophic (SQG) fronts, and show that it leads to the same result as a regularization proc…

math.AP2019★ 5 cited

Two-Front Solutions of the SQG Equation and its Generalizations

John K. Hunter, Jingyang Shu, Qingtian Zhang

The generalized surface quasi-geostrophic (GSQG) equations are transport equations for an active scalar that depend on a parameter . Special cases are the two-dimensional…

math.AP2018★ 21 cited

Global Solutions of a Surface Quasi-Geostrophic Front Equation

John K. Hunter, Jingyang Shu, Qingtian Zhang

We consider a nonlinear, spatially-nonlocal initial value problem in one space dimension on that describes the motion of surface quasi-geostrophic (SQG) fronts. We pro…

math.AP2018★ 9 cited

Local wellposedness of an approximate equation for SQG fronts

John K. Hunter, Jingyang Shu, Qingtian Zhang

We prove local well-posedness in the Sobolev spaces , with , for an initial value problem for a nonlocal, cubically nonlinear, dispersive equation that…

math.AP2017★ 17 cited

Regularized and Approximate Equations for Sharp Fronts in the Surface Quasi-Geostrophic Equation and its Generalizations

John K. Hunter, Jingyang Shu

We derive regularized contour dynamics equations for the motion of infinite sharp fronts in the two-dimensional incompressible Euler, surface quasi-geostrophic (SQG), and generaliz…