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UNBOUNDED HERMITIAN OPERATORS ON KOLASKI SPACES
Published online by Cambridge University Press: 30 August 2013
Abstract
We investigate strongly continuous one-parameter (C0) groups of isometries acting on certain spaces of analytical functions which were introduced by Kolaski (C. J. Kolaski, Isometries of some smooth normed spaces of analytic functions, Complex Var. Theory Appl. 10(2–3) (1988), 115–122). We characterize the generators of these groups of isometries and also the spectrum of the generators. We provide an example on the Bloch space of an unbounded hermitian operator with non-compact resolvent.
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- Copyright © Glasgow Mathematical Journal Trust 2013