On the twenty-ninth question of Allen Shields
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- by Joseph G. Stampfli PDF
- Proc. Amer. Math. Soc. 66 (1977), 65-68 Request permission
Abstract:
Not every hyponormal weighted shift is the sum of a subnormal weighted shift (in the same basis) and a trace class operator.References
- Allen L. Shields, Weighted shift operators and analytic function theory, Topics in operator theory, Math. Surveys, No. 13, Amer. Math. Soc., Providence, R.I., 1974, pp. 49–128. MR 0361899
- J. G. Stampfli, Which weighted shifts are subnormal?, Pacific J. Math. 17 (1966), 367–379. MR 193520
Additional Information
- © Copyright 1977 American Mathematical Society
- Journal: Proc. Amer. Math. Soc. 66 (1977), 65-68
- MSC: Primary 47B20
- DOI: https://doi.org/10.1090/S0002-9939-1977-0458226-4
- MathSciNet review: 0458226