Two counterexamples to the spectral mapping theorem for semigroups of positive operators |
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Authors: | Takac Peter |
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Affiliation: | (1) School of Mathematics, University of Minnesota, 55455 Minneapolis, MN, U.S.A. |
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Abstract: | LetX be anL1- orL2-Banach lattice. Let (W(t))t0 be aC0-semigroup of positive operators onX with generator–T. Two examples ofC0-semigroups are presented for which the identity fails for almost allt>0. |
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