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math-ph2022
Semiclassical resonance asymptotics for systems with degenerate crossings of classical trajectories
Marouane Assal, Setsuro Fujiié, Kenta Higuchi
This paper is concerned with the asymptotics of resonances in the semiclassical limit for matrix Schrödinger operators in one dimension. We study the case wh…
math-ph2022★ 1 cited
Clusters of resonances for a non-selfadjoint multichannel discrete Schrödinger operator
Marouane Assal, Olivier Bourget, Pablo Miranda +1
We study the distribution of resonances for discrete Hamiltonians of the form near the thresholds of the spectrum of . Here, the unperturbed operator is a multic…