Berezin Number Inequalities for Sums and Products of Operators and Applications

期刊论文
发表日期：

2024年3月1日

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Messaoud Guesba,
Fuad Kittaneh

摘要

Abstract

We prove some new Berezin number inequalities for sums andproducts of operators acting on a reproducing kernel Hilbertspace. Among other applications of our inequalities, we presentrefinements of the triangle inequality for the Berezin norm.