2 papers
math.NA2025
Fourth-order uniformly accurate integrators with long time near conservations for the nonlinear Dirac equation in the nonrelativistic regime
Lina Wang, Bin Wang, Jiyong Li
In this paper, we propose two novel fourth-order integrators that exhibit uniformly high accuracy and long-term near conservations for solving the nonlinear Dirac equation (NLDE) i…
math.NA2023
-version -continuous Petrov-Galerkin method for nonlinear second-order initial value problems with application to wave equations
Lina Wang, Mingzhu Zhang, Hongjiong Tian +1
We introduce and analyze an -version -continuous Petrov-Galerkin (CPG) method for nonlinear initial value problems of second-order ordinary differential equations. We deri…