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Filter products of C0-semigroups and ultraproduct representations for Lie groups

Cowling, Michael
Straub, Bernd
Published in Journal of Functional Analysis. 2004, vol. 208, no. 1, p. 31 - 63
Abstract We provide a new approach to filter products of C0-semigroups and prove a spectral theorem for the generator and its filter product. In a similar fashion, we construct ultraproducts of strongly continuous unitary representations of locally compact groups and study spectral theoretic connections between the representations and their ultraproducts. In the case of Lie groups, our investigations are extended to the infinitesimal representation.
Stable URL https://archive-ouverte.unige.ch/unige:12263
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Deposited on : 2010-11-01

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