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math.FA2006★ 54 cited
Essentially Reductive Hilbert Modules II
Ronald G. Douglas
Many Hilbert modules over the polynomial ring in m variables are essentially reductive, that is, have commutators which are compact. Arveson has raised the question of whether the…
math.FA2006★ 2 cited
On the clssification of multi-isometries
H. Bercovici, R. G. Douglas, C. Foias
We consider the classification, up to unitary equivalence, of commuting n-tuples of isometries. We pay special attention to the case when the product of the isometries is a shift o…