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Shi-Hua Gong

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Preprint Oct 2026

Discrete Edge Multiscale Space based Hybrid Schwarz Preconditioner for High-Frequency Helmholtz Problems

In this work, we develop a novel hybrid Schwarz method, termed as edge multiscale space based hybrid Schwarz (EMs-HS), for solving the Helmholtz problem with large wavenumbers. The problem is discretized using $H^1$-conforming nodal finite element methods on meshes of size $h$ decreasing faster than $k^{-3/2}$ such tha...

Shu-Bin Fu, Shi-Hua Gong, Guang-Lian Li et al. · 1 citation · ⚡1

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