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Exterior products of operators and superoptimal analytic approximation
2021
Transactions of the London Mathematical Society
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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. Contents
doi:10.1112/tlm3.12035
fatcat:fxhsnf2wbfc4bns56oir5fz4la