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On the GrÜss inequality for unital 2-positive linear maps
Published in Element D.O.O.
2016
Volume: 10
   
Issue: 3
Pages: 643 - 649
Abstract
In a recent work, Moslehian and Rajić have shown that the Grüss inequality holds for unital n-positive linear maps φ:A →B(H), where A is a unital C∗-algebra and H is a Hilbert space, if n ≥ 3. They also demonstrate that the inequality fails to hold, in general, if n = 1 and question whether the inequality holds if n = 2. In this article, we provide an affirmative answer to this question. © 2016, Element D.O.O. All Rights Reserved.
About the journal
JournalOperators and Matrices
PublisherElement D.O.O.
ISSN18463886
Open AccessYes