Talk:Bhatia–Davis inequality

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This article was the subject of a Wiki Education Foundation-supported course assignment, between 27 August 2021 and 19 December 2021. Further details are available on the course page. Student editor(s): J47211. Peer reviewers: Yungam99, Philipphaku, Joycecs.

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Name

This is quite a simple inequality to prove, and it was most definitely known before the April 2000 article from Bhatia and Davis. Can someone add a reference for this inequality having this name? Preferably from before this article's creating in August 2009. Shuiberts (talk) 21:09, 3 October 2021 (UTC)[reply]