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Conditional positive definiteness as a bridge between k–hyponormality and n–contractivity

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0 Published in 2021 at "Linear Algebra and its Applications"

DOI: 10.1016/j.laa.2021.05.004

Abstract: Abstract For sequences α ≡ { α n } n = 0 ∞ of positive real numbers, called weights, we study the weighted shift operators W α having the property of moment infinite divisibility (… read more here.

Keywords: definiteness; bridge hyponormality; hyponormality; hyponormality contractivity ... See more keywords