Journal of Operator Theory

Volume 22, Issue 1, Summer 1989 pp. 109-155.

The band method for positive and contractive extension problems

Authors: I. Gohberg (1), M. A. Kaashoek (2) and H. J. Woerdeman (3)
Author institution:(1) Department of Mathematical Sciences, Tel-Aviv University, Ramat Aviv 69978, Israel.
(2) Department of Mathematics and Computer Science, Vrije Universiteit, De Boelelaan 1081, 1081 HV Amsterdam, The Netherlands.
(3) Department of Mathematics and Computer Science, Vrije Universiteit, De Boelelaan 1081, 1081 HV Amsterdam, The Netherlands.

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