2020/07/06 by Satyajit Sahoo, Sahoo, Satyajit
Mathematics · Computer Science · #Mathematical Inequalities and Applications #Matrix Theory and Algorithms #Algebraic and Geometric Analysis
paper · pdf · doi:10.48550/arxiv.2007.03512
The main goal of this article is to establish several new upper and lower bounds for the \mathbbA-numerical radius of 2× 2 operator matrices, where \mathbbA be the 2× 2 diagonal operator matrix whose diagonal entries are positive bounded operator A.