Vol. 125, No. 2, 1986

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Unitary colligations in Πκ-spaces, characteristic functions and Štraus extensions

Aad Dijksma, Heinz K. Langer and Hendrik S. V. de Snoo

Vol. 125 (1986), No. 2, 347–362
Abstract

The main result of this paper is the description of certain linear manifolds T(λ), associated with a symmetric operator, in terms of certain boundary values of the characteristic function of a unitary colligation.

Mathematical Subject Classification 2000
Primary: 47B25
Secondary: 47A45, 47B50
Milestones
Received: 1 July 1985
Revised: 10 October 1985
Published: 1 December 1986
Authors
Aad Dijksma
Heinz K. Langer
Hendrik S. V. de Snoo