Numerical Radius Inequalities Involving 2 × 2 Block Matrices
Ahmad Al natoor, Fadi Alrimawi
Abstract
In this paper, we give several upper and lower bounds for the numerical radius of 2 ×2 block matrices. Several special cases of our results are given.
Topics & Concepts
MathematicsBlock (permutation group theory)RADIUSInequalityCombinatoricsApplied mathematicsMathematical analysisPure mathematicsComputer securityComputer scienceMatrix Theory and AlgorithmsMathematical Inequalities and ApplicationsAdvanced Mathematical Theories and Applications