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http://dx.doi.org/10.14317/jami.2019.073

NEW RESULTS ON k-HYPONORMALITY OF BACKWARD EXTENSIONS OF SUBNORMAL WEIGHTED SHIFTS  

DONG, YANWU (Department of Mathematics, Zhanjiang Preschool Education College (Fundamental Education College of Lingnan Normal University))
LEE, MI RYEONG (Institute of Liberal Education, Catholic University of Daegu)
LI, CHUNJI (Department of Mathematics, Northeastern University)
Publication Information
Journal of applied mathematics & informatics / v.37, no.1_2, 2019 , pp. 73-83 More about this Journal
Abstract
In this article, we introduce a new kind of subnormal weighted shifts, which is a generalized form of Bergman shift, and discuss the k-hyponormality of its backward extensions.
Keywords
Subnormal; k-hyponormal; weighted shifts;
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