activity
20192026
most citedLong time error analysis of finite difference time domain methods for the nonlinear Klein-Gordon equation with weak nonlinearity

33 citations · 45 across the 7 of their papers we have counts for

collaborators

7 papers

math.NA2026

Accelerated Nehari manifold optimization methods for computing ground state solutions of coupled elliptic systems

Zhaoxing Chen, Wei Liu, Ziqing Xie +1

This paper presents a class of efficient algorithms for computing the ground state solutions of a semilinear elliptic system, which are unstable saddle points of the variational fu…

math.NA2025

A Convergent Inexact Abedin-Kitagawa Iteration Method for Monge-Ampère Eigenvalue Problems

Liang Chen, Youyicun Lin, Junqi Yang +1

This paper proposes an inexact Aleksandrov-solution-based iteration method, formulated by adapting the convergent Rayleigh inverse iterative scheme introduced by Abedin and Kitagaw…

math.NA2024

Nehari manifold optimization and its application for finding unstable solutions of semilinear elliptic PDEs

Zhaoxing Chen, Wei Liu, Ziqing Xie +1

A Nehari manifold optimization method (NMOM) is introduced for finding 1-saddles, i.e., saddle points with the Morse index equal to one, of a generic nonlinear functional in Hilber…

math.NA2021★ 3 cited

Nonmonotone local minimax methods for finding multiple saddle points

Wei Liu, Ziqing Xie, Wenfan Yi

In this paper, by designing a normalized nonmonotone search strategy with the Barzilai--Borwein-type step-size, a novel local minimax method (LMM), which is a globally convergent i…

math.NA2021★ 6 cited

Normalized Wolfe-Powell-type local minimax method for finding multiple unstable solutions of nonlinear elliptic PDEs

Wei Liu, Ziqing Xie, Wenfan Yi

The local minimax method (LMM) proposed in [Y. Li and J. Zhou, SIAM J. Sci. Comput., 23(3), 840--865 (2001)] and [Y. Li and J. Zhou, SIAM J. Sci. Comput., 24(3), 865--885 (2002)] i…

math.NA2020★ 3 cited

Uniform error bounds of an exponential wave integrator for the long-time dynamics of the nonlinear Klein-Gordon equation

Yue Feng, Wenfan Yi

We establish uniform error bounds of an exponential wave integrator Fourier pseudospectral (EWI-FP) method for the long-time dynamics of the nonlinear Klein-Gordon equation (NKGE)…

math.NA2019★ 33 cited

Long time error analysis of finite difference time domain methods for the nonlinear Klein-Gordon equation with weak nonlinearity

Weizhu Bao, Yue Feng, Wenfan Yi

We establish error bounds of the finite difference time domain (FDTD) methods for the long time dynamics of the nonlinear Klein-Gordon equation (NKGE) with a cubic nonlinearity, wh…