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math.NA2026
Spurious-mode-free finite element method for scattering resonances in transmission problems
Bo Gong, Jiguang Sun
Scattering resonances arise in wave phenomena and play an important role in many applications. While extensive theoretical studies have been conducted, effective numerical computat…
math.NA2026
Edge element DtN method for electromagnetic scattering poles of perfectly conducting obstacles
Bo Gong, Takumi Sato, Jiguang Sun +1
Meromorphic continuation of the scattering operator leads to scattering poles (resonances) in the complex plane. Despite their significance, numerical investigation of scattering p…