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New inequalities for operator concave functions involving positive linear maps
S. Sheybani, M. E. Omidvar, H. R. Moradi
The purpose of this paper is to present some general inequalities for operator concave functions which include some known inequalities as a particular case. Among other things, we…
Sharpening Some Classical Numerical Radius Inequalities
H. R. Moradi, M. E. Omidvar, K. Shebrawi
New upper and lower bounds for the numerical radii of Hilbert space operators are given. Among our results, we prove that if is a hypo…
Complementary Inequalities to Improved AM-GM Inequality
H. R. Moradi, M. E. Omidvar
Following an idea of Lin, we prove that if and be two positive operators such that , then \begin{equation*} {{Φ}^{2}}\left( \frac{A+B}{2…
A note on some inequalities for positive linear maps
H. R. Moradi, M. E. Omidvar, I. H. Gümüş +1
We improve and generalize some operator inequalities for positive linear maps. It is shown, among other inequalities, that if or $0<m\le A\le m'<M'\le…