activity
20172021
collaborators

6 papers

math.AP2021

The Existence of full dimensional tori for d-dimensional Nonlinear Schr$\ddot{\mbox{O}}$dinger equation

Hongzi Cong, Xiaoqing Wu, Yuan Wu

In this paper, we prove the existence of full dimensional tori for -dimensional nonlinear Schr$\ddot{\mbox{o}}$dinger equation with periodic boundary conditions \begin{equation*…

math.AP2021

The Existence of Full Dimensional KAM tori for Nonlinear Schrödinger equation

Hongzi Cong

In this paper, we will prove the existence of full dimensional tori for 1-dimensional nonlinear Schrödinger equation with periodic boundary conditions \begin{equation*}\label{L1} \…

math.DS2020

Long-time Anderson Localization for the Nonlinear Schrodinger Equation Revisited

Hongzi Cong, Yunfeng Shi, Zhifei Zhang

In this paper, we confirm the conjecture of Wang and Zhang (J. Stat. Phys. 134 (5-6): 953--968, 2009) in a long time scale, i.e., the displacement of the wavefront for nonline…

math.AP2019

The existence of full dimensional invariant tori for 1-dimensional nonlinear wave equation

Hongzi Cong, Xiaoping Yuan

In this paper we prove the existence and linear stability of full dimensional tori with subexponential decay for 1-dimensional nonlinear wave equation with external parameters, whi…

math.DS2019

On the existence of full dimensional KAM torus for nonlinear Schrödinger equation

Hongzi Cong, Lufang Mi, Yunfeng Shi +1

In this paper, we study the following nonlinear Schrödinger equation \begin{eqnarray}\label{maineq0} \textbf{i}u_{t}-u_{xx}+V*u+εf(x)|u|^4u=0,\ x\in\mathbb{T}=\mathbb{R}/2π\mathbb{…

math.DS2017

The Stability of Full Dimensional KAM tori for Nonlinear Schrödinger equation

Hongzi Cong, Jianjun Liu, Yunfeng Shi +1

In this paper, it is proved that the full dimensional invariant tori obtained by Bourgain [J. Funct. Anal., \textbf{229} (2005), no. 1, 62-94.] is stable in a very long time for 1D…