activity
20192022
most citedExistence and regularity of co-rotating and travelling global solutions for the generalized SQG equation

3 citations · 13 across the 15 of their papers we have counts for

collaborators

15 papers

math.AP2022★ 2 cited

Uniqueness and stability of steady vortex rings for 3D incompressible Euler equation

Daomin Cao, Shanfa Lai, Guolin Qin +2

In this paper, we are concerned with the uniqueness and nonlinear stability of vortex rings for the 3D Euler equation. By utilizing Arnold 's variational principle for steady state…

math.AP2022★ 2 cited

Existence, uniqueness and stability of steady vortex rings of small cross-section

Daomin Cao, Guolin Qin, Weilin Yu +2

This paper is concerned with steady vortex rings in an ideal fluid of uniform density, which are special global axi-symmetric solutions of the three-dimensional incompressible Eule…

math.AP2021

On the existence of vortex-wave systems to inviscid gSQG equation

Daomin Cao, Shanfa Lai, Changjun Zou

We study the existence of different vortex-wave systems for inviscid gSQG flow, where the total circulation are produced by point vortices and vortices with compact support. To ove…

math.AP2021

Co-rotating and traveling vortex sheets for the 2D incompressible Euler equation

Daomin Cao, Guolin Qin, Changjun Zou

We construct co-rotating and traveling vortex sheets for 2D incompressible Euler equation, which are supported on several small closed curves. These examples represent a new type o…

math.AP2021★ 1 cited

Existence of stationary vortex sheets for the 2D Euler equation

Daomin Cao, Guolin Qin, Changjun Zou

We investigate a steady planar flow of an ideal fluid in a (bounded or unbounded) domain . Let , , be arbitrary fixed constants…

math.AP2021

Kármán vortex street for the generalized surface quasi-geostrophic equation

Daomin Cao, Guolin Qin, Weicheng Zhan +1

We are concerned with the existence of periodic travelling-wave solutions for the generalized surface quasi-geostrophic (gSQG) equation(including incompressible Euler equation), kn…

math.AP2021★ 1 cited

On the global classical solutions for the generalized SQG equation

Daomin Cao, Guolin Qin, Weicheng Zhan +1

In this paper, we study the existence of global classical solutions to the generalized surface quasi-geostrophic equation. By using the variational method, we provide some new fami…

math.AP2021★ 2 cited

Existence of co-rotating and travelling vortex patches with doubly connected components for active scalar equations

Daomin Cao, Guolin Qin, Weicheng Zhan +1

By applying implicit function theorem on contour dynamics, we prove the existence of co-rotating and travelling patch solutions for both Euler and the generalized surface quasi-geo…

math.AP2021★ 2 cited

Existence and stability of smooth traveling circular pairs for the generalized surface quasi-geostrophic equation

Daomin Cao, Guolin Qin, Weicheng Zhan +1

In this paper, we construct smooth travelling counter-rotating vortex pairs with circular supports for the generalized surface quasi-geostrophic equation. These vortex pairs are an…

math.AP2021★ 3 cited

Existence and regularity of co-rotating and travelling global solutions for the generalized SQG equation

Daomin Cao, Guolin Qin, Weicheng Zhan +1

By studying the linearization of contour dynamics equation and using implicit function theorem, we prove the existence of co-rotating and travelling global solutions for the gSQG e…

math.AP2021

Global solutions for the generalized SQG equation and rearrangements

Daomin Cao, Guolin Qin, Weicheng Zhan +1

In this paper, we study the existence of rotating and traveling-wave solutions for the generalized surface quasi-geostrophic (gSQG) equation. The solutions are obtained by maximiza…

math.AP2020

Multi-soliton dynamics in the nonlinear Schrödinger equation

Daomin Cao, Qing Guo, Changjun Zou

In this paper, we study the Cauchy problem of the nonlinear Schrödinger equation with a nontrival potential . In particular, we consider the case where the initia…

math.AP2020

Local uniqueness of vortices for 2D steady Euler flow in a bounded domain

Daomin Cao, Weilin Yu, Changjun Zou

We study the 2D Euler equation in a bounded simply-connected domain, and establish the local uniqueness of flow whose stream function satisfies \begin{equation*} \b…

math.AP2019

Desingularization of steady vortex of perturbation type in the lake equations

Daomin Cao, Jie Wan, Changjun Zou

In this paper, we study the desingularization of steady lake model of perturbation type with general nonlinearity f. Using the modified vorticity method, we construct a family of s…

math.AP2019

On desingularization of steady vortex in the lake equations

Daomin Cao, Weicheng Zhan, Changjun Zou

We constructed a family of steady vortex solutions for the lake equations with general vorticity function, which constitute a desingularization of a singular vortex. The precise lo…