On perturbation of thresholds in essential spectrum under coexistence of virtual level and spectral singularity

DOI10.1134/s106192084010059OpenAlexW4392954904MaRDI QIDQ6118410

Dmitry A. Zezyulin, Denis I. Borisov

Publication date: 21 March 2024

Published in: Russian Journal of Mathematical Physics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1134/s106192084010059

Mathematics Subject Classification ID

Elliptic equations and elliptic systems (35Jxx) Qualitative properties of solutions to partial differential equations (35Bxx) General mathematical topics and methods in quantum theory (81Qxx)

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