Exterior products of operators and superoptimal analytic approximation
Abstract We give a new algorithm for the construction of the unique superoptimal analytic approximant of a given continuous matrix‐valued function on the unit circle, using exterior powers of operators in preference to spectral or Wiener–Masani factorizations.
Main Authors: | , , |
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Format: | Article |
Language: | English |
Published: |
Wiley
2021-12-01
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Series: | Transactions of the London Mathematical Society |
Subjects: | |
Online Access: | https://doi.org/10.1112/tlm3.12035 |