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.
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This research was supported in part by the Institute for Mathematics and its Applications with funds provided by the National Science Foundation.
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Gohberg, I., Kaashoek, M.A. & Woerdeman, H.J. The band method for positive and strictly contractive extension problems: An alternative version and new applications. Integr equ oper theory 12, 343–382 (1989). https://doi.org/10.1007/BF01235737
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DOI: https://doi.org/10.1007/BF01235737