Numerical radius inequalities for 2 × 2 operator matrices
Omar Hirzallah ; Fuad Kittaneh ; Khalid Shebrawi
Studia Mathematica, Tome 209 (2012), p. 99-115 / Harvested from The Polish Digital Mathematics Library
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We derive several numerical radius inequalities for 2 × 2 operator matrices. Numerical radius inequalities for sums and products of operators are given. Applications of our inequalities are also provided.

Publié le : 2012-01-01
EUDML-ID : urn:eudml:doc:285886 
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     title = {Numerical radius inequalities for 2 $\times$ 2 operator matrices},
     journal = {Studia Mathematica},
     volume = {209},
     year = {2012},
     pages = {99-115},
     zbl = {1267.47008},
     language = {en},
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Omar Hirzallah; Fuad Kittaneh; Khalid Shebrawi. Numerical radius inequalities for 2 × 2 operator matrices. Studia Mathematica, Tome 209 (2012) pp. 99-115. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-sm210-2-1/