3 papers
math.NA2026
An -adaptive Tetrahedral Spectral Element Method with Applications to Kohn-Sham Density Functional Theory
Zeyu Wang, Hongfei Zhan, Guanghui Hu
High-order -adaptive spectral element methods on tetrahedral meshes provide an effective framework for resolving localized singularities and multiscale structures in complex thr…
math.AP2026
Limiting absorption principle for time-harmonic acoustic and electromagnetic scattering of plane waves from a bi-periodic inhomogeneous layer
Guanghui Hu, Andreas Kirsch, Yulong Zhong
The Rayleigh expansion is widely used as a formal radiation condition in the analysis and numerical treatment of grating diffraction problems for incoming plane waves. However, the…
math.AP2025
Factorization method for near-field inverse scattering problems in elastodynamics
Chun Liu, Guanghui Hu, Tao Yin +1
Consider a time-harmonic elastic point source incident on a bounded obstacle which is embedded in an open space filled with a homogeneous and isotropic elastic medium. This paper i…