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Integral Equations and Operator Theory

, Volume 13, Issue 1, pp 49–66 | Cite as

Quadratically hyponormal weighted shifts

  • Raúl E. Curto
Article

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References

  1. [At] A. Athavale, On joint hyponormality of operators, Proc. Amer. Math. Soc., to appear.Google Scholar
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  3. [Cu] R. Curto, Joint hyponormality: A bridge between hyponormality and subnormality, preprint 1988.Google Scholar
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  5. [F] P. Fan, A note on hyponormal weighted shifts, Proc. Amer. Math. Soc. 92(1984), 271–272.Google Scholar
  6. [Jo] A. Joshi, Hyponormal polynomials of monotone shifts, Ph.D. dissertation, Purdue University, 1971.Google Scholar
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  8. [St] J. Stampfli, Which weighted shifts are subnormal, Pacific J. Math. 17(1966), 367–379.Google Scholar

Copyright information

© Birkhäuser Verlag 1990

Authors and Affiliations

  • Raúl E. Curto
    • 1
  1. 1.Department of MathematicsThe University of IowaIowa City

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