Generalized numerical radius inequalities involving positive semidefinite block matrices
Baha'a Al Naddaf, Aliaa Abed Al-Jawwad Burqan, Fuad Kıttaneh · Journal of Mathematical Inequalities · 2023
In this paper, we are interested in generalized numerical radius inequalities for the off-diagonal part of a positive semidefinite block matrix. These inequalities produce a new set of inequalities for products and sums of matrices and some inequalities related to sectorial matrices.