Matrix construction of subnormal tuples of finite type |
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Authors: | Jim Gleason |
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Institution: | Department of Mathematics, University of Tennessee, Knoxville, TN 37996-1300, USA |
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Abstract: | We review Xia's analytic model for subnormal tuples of operators as well as a matricial decomposition of pure subnormal tuples of Eschmeier and Putinar. Based on these developments we create a matricial construction of pure subnormal tuples of finite type from the Xia unitary invariants. In the process we develop necessary and sufficient conditions for sets of operators {C0j,D1j} to be the Xia invariants of a subnormal tuple. |
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