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On well-bounded operators of class Г

Published online by Cambridge University Press:  18 May 2009

Adnan A. S. Jibril
Affiliation:
Yarmouk University, Irbid-Jordan
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Let T be a linear operator acting in a Banach space X. It has been shown by Smart [5] and Ringrose [3] that, if X is reflexive, then T is well-bounded if and only if it may be expressed in the form

where {E(λ)} is a suitable family of projections in X and the integral exists as the strong limit of Riemann sums.

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Type
Research Article
Copyright
Copyright © Glasgow Mathematical Journal Trust 1983