Normal Extensions of Representations of Abelian Semigroups
Canadian mathematical bulletin, Tome 59 (2016) no. 3, pp. 564-574
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A commuting family of subnormal operators need not have a commuting normal extension. We study when a representation of an abelian semigroup can be extended to a normal representation, and show that it suffices to extend the set of generators to commuting normals. We also extend a result due to Athavale to representations on abelian lattice ordered semigroups.
Mots-clés :
47B20, 47A20, 47D03, subnormal operator, normal extension, regular dilation, lattice ordered semigroup
Li, Boyu. Normal Extensions of Representations of Abelian Semigroups. Canadian mathematical bulletin, Tome 59 (2016) no. 3, pp. 564-574. doi: 10.4153/CMB-2016-021-x
@article{10_4153_CMB_2016_021_x,
author = {Li, Boyu},
title = {Normal {Extensions} of {Representations} of {Abelian} {Semigroups}},
journal = {Canadian mathematical bulletin},
pages = {564--574},
year = {2016},
volume = {59},
number = {3},
doi = {10.4153/CMB-2016-021-x},
url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2016-021-x/}
}
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