S. N. Tumanov, “Sectoriality and Compactness of the Resolvent of a Nonself-Adjoint Sturm–Liouville Operator with a Singular Distribution Potential”, Mat. Zametki, 2025, Volume 118, Issue 2,Pages <nobr>330

Brief Communications

Sectoriality and Compactness of the Resolvent of a Nonself-Adjoint Sturm–Liouville Operator with a Singular Distribution Potential

S. N. Tumanov^ab

^a Lomonosov Moscow State University
^b Moscow Center for Fundamental and Applied Mathematics

Keywords: nonself-adjoint operator, compactness of the resolvent, discreteness of the spectrum, Sturm–Liouville operator, Schrödinger operator.

MSC: 47E05 34B40 47A10 34L05

Received: 31.05.2025

DOI: 10.4213/mzm14649