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math.NA2026
Hierarchical low-rank compression exploiting symmetric boundary integral equations in transmission scattering
Yasuhiro Matsumoto, Taizo Maruyama, Qianxiang Ma +1
We propose an approach using matrix symmetry to accelerate hierarchical low-rank compression for wave transmission scattering. For Helmholtz transmission problems, we introduce a s…
math.NA2025
A fast direct solver for two-dimensional transmission problems of elastic waves
Yasuhiro Matsumoto, Taizo Maruyama
This paper describes a fast direct boundary element method for elastodynamic transmission problems in two dimensions, which can be used for analyzing elastic wave scattering by an…
math.NA2024★ 1 cited
Linearly scalable fast direct solver based on proxy surface method for two-dimensional elastic wave scattering by cavity
Yasuhiro Matsumoto, Taizo Maruyama
This paper proposes an fast direct solver for two-dimensional elastic wave scattering problems. The proxy surface method is extended to elastodynamics to obtain shared coeff…