Some inequalities for the Euclidean operator radius of two operators in Hilbert spaces

✍ Scribed by Sever S. Dragomir

• Publisher: Elsevier Science
• Year: 2006
• Tongue: English
• Weight: 133 KB
• Volume: 419
• Category: Article
• ISSN: 0024-3795
• DOI: 10.1016/j.laa.2006.04.017

✦ Synopsis

Some sharp bounds for the Euclidean operator radius of two bounded linear operators in Hilbert spaces are given. Their connection with Kittaneh's recent results which provide sharp upper and lower bounds for the numerical radius of linear operators are also established.