Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4618373 | Journal of Mathematical Analysis and Applications | 2011 | 12 Pages |
Abstract
In this article we construct a sequence of nontrivial classes of 2-variable weighted shifts such that the k-hyponormality of an arbitrary power of a member W(α,β) from Gk is equivalent to its subnormality.
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