Quadratically Hyponormal Recursively Generated Weighted Shifts Need Not Be Positively Quadratically Hyponormal

Author: Poon Yiu   Yoon Jasang  

Publisher: Springer Publishing Company

ISSN: 0378-620X

Source: Integral Equations and Operator Theory, Vol.58, Iss.4, 2007-08, pp. : 551-562

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