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On the Flatness of Semi-Cubically Hyponormal Weighted Shifts
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  • Journal title : Kyungpook mathematical journal
  • Volume 48, Issue 4,  2008, pp.721-727
  • Publisher : Department of Mathematics, Kyungpook National University
  • DOI : 10.5666/KMJ.2008.48.4.721
 Title & Authors
On the Flatness of Semi-Cubically Hyponormal Weighted Shifts
Li, Chunji; Ahn, Ji-Hye;
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 Abstract
Let be a weighted shift with positive weight sequence . The semi-cubical hyponormality of is introduced and some flatness properties of are discussed in this note. In particular, it is proved that if for some , for all .
 Keywords
semi-cubically hyponormal;unilateral weighted shift;flatness;
 Language
English
 Cited by
1.
Flat phenomena of 2-variable weighted shifts, Linear Algebra and its Applications, 2015, 486, 234  crossref(new windwow)
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