Integral Equations and Operator Theory

, Volume 12, Issue 3, pp 343–382

The band method for positive and strictly contractive extension problems: An alternative version and new applications

  • I. Gohberg
  • M. A. Kaashoek
  • H. J. Woerdeman
Article

DOI: 10.1007/BF01235737

Cite this article as:
Gohberg, I., Kaashoek, M.A. & Woerdeman, H.J. Integr equ oper theory (1989) 12: 343. doi:10.1007/BF01235737

Abstract

The band method for positive and strictly contractive extension problems is deduced from a new set of axioms. New applications concern extension problems for operator-valued functions in the Wiener class and for certain infinite operator matrices.

Copyright information

© Birkhäuser Verlag 1989

Authors and Affiliations

  • I. Gohberg
    • 1
  • M. A. Kaashoek
    • 2
  • H. J. Woerdeman
    • 2
  1. 1.Department of Mathematical SciencesTel Aviv UniversityRamat AvivIsrael
  2. 2.Department of Mathematics and Computer ScienceVrije UniversiteitAmsterdamThe Netherlands