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Showing 1 to 1 of 1 for “"Multivariable operator theory"”.
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Lifting Module Maps Between Different Noncommutative Domain Algebras
… and ||F||<sub>∞</sub> < 1? In 1967, Sarason used operator theory techniques to give an elegant solution to the Carathéodory interpolation problem. In 1968, Sz.-Nagy and Foias extended Sarason's approach into a commutant lifting theorem. Both the theorem and the technique of the proof have become …