Integral Equations and Operator Theory

, Volume 10, Issue 5, pp 707–720 | Cite as

Elementary operators with H-symbols

  • Raúl E. Curto
  • Lawrence A. Fialkow
Article
  • 22 Downloads

Abstract

Let T be a c.n.u. contraction on a Hilbert spaceH and let u-(u1,...,un) be an n-tuple of H(T). We calculate various joint spectra of u(T) and apply the results to study the spectral and index theories of elementary operators associated with n-tuples of the above type.

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Copyright information

© Birkhäuser Verlag 1987

Authors and Affiliations

  • Raúl E. Curto
    • 1
  • Lawrence A. Fialkow
    • 2
  1. 1.Department of MathematicsUniversity of IowaIowa CityUSA
  2. 2.Department of Mathematics and Computer ScienceS.U.N.Y at New PaltzNew PaltzUSA

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