General numerical radius inequalities for matrices of operators
General numerical radius inequalities for matrices of operators
Abstract Let A i ∈ B ( H ), ( i = 1, 2, ..., n ), and <m:math xmlns:m="http://www.w3.org/1998/Math/MathML"> <m:mrow> <m:mi>T</m:mi> <m:mo>=</m:mo> <m:mrow> <m:mo>[</m:mo> <m:mrow> <m:mtable> <m:mtr> <m:mtd> <m:mn>0</m:mn> </m:mtd> <m:mtd> <m:mo>⋯</m:mo> </m:mtd> <m:mtd> <m:mn>0</m:mn> </m:mtd> <m:mtd> <m:mrow> <m:msub> <m:mi>A</m:mi> <m:mn>1</m:mn> </m:msub> </m:mrow> </m:mtd> </m:mtr> <m:mtr> <m:mtd> <m:mo>⋮</m:mo> </m:mtd> …