Resonances sets of Schrödinger operators

We prove that resonances of the Schrödinger operator with compactly supported potential can contain arbitrary subset of the angle \{z: -\operatorname{Im}z > C \lvert\operatorname{Re}z\rvert\} that satisfies Blaschke condition. We also establish sufficient conditions for the subsets of wider domains.

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Publication Details

Journal
Journal of Spectral Theory
Published
2026-10-29
DOI
https://doi.org/10.4171/jst/636
Primary Topic
Spectral Theory in Mathematical Physics
Type
article
Field-Weighted Citation Impact
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article

Resonances sets of Schrödinger operators

Yurii Belov, Губкин Павел Васильевич
Journal of Spectral Theory
Spectral Theory in Mathematical Physics
article

Resonances sets of Schrödinger operators

Yurii Belov, Губкин Павел Васильевич
article en

Abstract

We prove that resonances of the Schrödinger operator with compactly supported potential can contain arbitrary subset of the angle \{z: -\operatorname{Im}z > C \lvert\operatorname{Re}z\rvert\} that satisfies Blaschke condition. We also establish sufficient conditions for the subsets of wider domains.

Journal of Spectral Theory
Russian Academy of Sciences (RU), St Petersburg University (RU), St. Petersburg Department of Steklov Institute of Mathematics (RU), Steklov Mathematical Institute (RU)
Openalex Percentile: Top 75%
Spectral Theory in Mathematical Physics
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