This article is cited in 11 papers

Brief Communications

On the Spectrum of Singular Perturbations of Operators on the Circle

V. A. Mikhailets, V. M. Molyboga

Institute of Mathematics, Ukrainian National Academy of Sciences

Keywords: Weyl derivative, singular perturbation, eigenvalue distribution, Sobolev space, root functions, completeness problem.

Received: 10.03.2011
Revised: 30.06.2011

DOI: 10.4213/mzm9082

 English version: Mathematical Notes, 2012, 91:4, 588–591

Bibliographic databases:

• 
• 
• 
• 
•