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A NOTE ON CUBICALLY HYPONORMAL WEIGHTED SHIFTS
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 Title & Authors
A NOTE ON CUBICALLY HYPONORMAL WEIGHTED SHIFTS
Li, Chunji; Cho, Muneo; Lee, Mi Ryeong;
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 Abstract
In this paper, we show that any cubically hyponormal weighted shift with first two equal weights is flat. And we give an example of a weighted shift which is not cubically hyponormal but almost-cubically hyponormal.
 Keywords
weighted shift;cubically hyponormal operator;flatness;
 Language
English
 Cited by
1.
On Semi-cubically Hyponormal Weighted Shifts with First Two Equal Weights,;;;;

Kyungpook mathematical journal, 2016. vol.56. 3, pp.899-910 crossref(new window)
1.
Semi-cubic Hyponormality of Weighted Shifts with Stampfli Recursive Tail, Integral Equations and Operator Theory, 2017, 88, 2, 229  crossref(new windwow)
2.
On Semi-cubically Hyponormal Weighted Shifts with First Two Equal Weights, Kyungpook mathematical journal, 2016, 56, 3, 899  crossref(new windwow)
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