Schrödinger operators with complex sparse potentials

We establish quantitative upper and lower bounds for Schrödinger operators with complex potentials that satisfy some weak form of sparsity. Our first result is a quantitative version of an example, due to S. Bögli (Commun Math Phys 352:629–639, 2017), of a Schrödinger operator with eigenvalues accum...

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Bibliographic Details
Main Author: Jean-Claude Cuenin
Format: Default Article
Published: 2022
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