k-hyponormality of powers of weighted shifts via Schur products

Details k-hyponormality of powers of weighted shifts via Schur products k-hyponormality of powers of weighted shifts via Schur products

2002-07-06

arxiv.org/abs/math/0207066v1

Proc. Amer. Math. Soc. 131(2003), 2761-2769

Mathematics

Functional Analysis

9 pages

Scientific paper

We characterize $k$-hyponormality and quadratic hyponormality of powers of
weighted shifts using Schur product techniques.

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