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math.SP2026
Inverse scattering in an asymptotically flat multilayer domain
Michel Cristofol, Yves Dermenjian, Hiroshi Isozaki +1
We consider a scattering problem for a wave equation in a multilayer domain $Ω\subset {\bf R}^{n+1}_x =…
math.SP2025
A remark on the absence of eigenvalues in continuous spectra for discrete Schrödinger operators on periodic lattices
Kazunori Ando, Hiroshi Isozaki, Hisashi Morioka
We prove a Rellich-Vekua type theorem for Schrödinger operators with exponentially decreasing potentials on a class of lattices including square, triangular, hexagonal lattices an…