Showing 2025 · math.NAShow all
2 papers · 2 filters
math.NA2025
Inverse inequalities for kernel-based approximation on bounded domains and Riemannian manifolds
Zhengjie Sun, Leevan Ling
This paper establishes inverse inequalities for kernel-based approximation spaces defined on bounded Lipschitz domains in and compact Riemannian manifolds. While inv…
math.NA2025
Energy-conserving Kansa methods for Hamiltonian wave equations
Xiaobin Li, Meng Chen, Zhengjie Sun +2
We introduce a fast, constrained meshfree solver designed specifically to inherit energy conservation (EC) in second-order time-dependent Hamiltonian wave equations. For discretiza…