This article is cited in 2 papers

The spectra of self-adjoint extensions of a symmetric operator

A. N. Kochubei

Energy Network Project, Kiev Section of the Joint Design Project of NII

Abstract: In this article we investigate the nature of the spectra of self-adjoint extensions of a symmetric operator with equal (finite or infinite) deficiency indices. Our results are formulated in terms of abstract boundary conditions.

UDC: 513.88

Received: 31.03.1975

 English version: Mathematical Notes, 1976, 19:3, 262–265

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