A+ CATEGORY SCIENTIFIC UNIT

$H^{\infty} $ functional calculus in real interpolation spaces, II

Volume 145 / 2001

Giovanni Dore Studia Mathematica 145 (2001), 75-83 MSC: 47A60, 46B70. DOI: 10.4064/sm145-1-5

Abstract

Let $A$ be a linear closed one-to-one operator in a complex Banach space $X$, having dense domain and dense range. If $A$ is of type $\omega $ (i.e.the spectrum of $A$ is contained in a sector of angle $2\omega $, symmetric about the real positive axis, and $\| \lambda (\lambda I - A)^{-1}\| $ is bounded outside every larger sector), then $A$ has a bounded $H^\infty $ functional calculus in the real interpolation spaces between $X$ and the intersection of the domain and the range of the operator itself.

Authors

  • Giovanni DoreDipartimento di Matematica
    Universita di Bologna
    Piazza di Porta S. Donato 5
    40127 Bologna, Italy
    e-mail

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