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Berezin number and numerical radius inequalities for operators on Hilbert spaces

Berezin number and numerical radius inequalities for operators on Hilbert spaces In this article, we establish several Berezin number inequalities for the quadratic weighted operator geometric mean of operators on reproducing kernel Hilbert spaces and numerical radius inequalities for operators having similar positive parts. We also provide a concluding section which revisits the connection between the numerical radius and generalized inverses, and may spark new problems for future research interest. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Advances in Operator Theory Springer Journals

Berezin number and numerical radius inequalities for operators on Hilbert spaces

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References (32)

Publisher
Springer Journals
Copyright
Copyright © Tusi Mathematical Research Group (TMRG) 2020
ISSN
2662-2009
eISSN
2538-225X
DOI
10.1007/s43036-019-00035-8
Publisher site
See Article on Publisher Site

Abstract

In this article, we establish several Berezin number inequalities for the quadratic weighted operator geometric mean of operators on reproducing kernel Hilbert spaces and numerical radius inequalities for operators having similar positive parts. We also provide a concluding section which revisits the connection between the numerical radius and generalized inverses, and may spark new problems for future research interest.

Journal

Advances in Operator TheorySpringer Journals

Published: Jul 24, 2020

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