Essentially normal quotient weighted Bergman modules over the bidisk and distinguished varieties
Advances in Mathematics(2023)
Abstract
We introduce a Grassmannian structure for a class of quotient Hilbert modules and attack the polydisc version of ArvesonDouglas conjecture associated to distinguished varieties. More interestingly, we obtain an operator-theoretic characterization of distinguished varieties in the bidisk in terms of essential normality of the quotient modules. As an application, we study the K-homology of the boundary of distinguished variety.& COPY; 2023 Elsevier Inc. All rights reserved.
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Key words
Distinguished variety,Essential normality,Weighted Bergman module,Grassmannian quotient module,K-homology,Algebraic variety
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