A glimpse at the operator Kantorovich inequality

H. R. Moradi, I. H. Gümüş, Z. Heydarbeygi

We show the following result: Let $A$ be a positive operator satisfying $0<m{1}_{\mathcal{H}}\le A\le M{1}_{\mathcal{H}}$ for some scalars $m,M$ with $m<M$ and $Φ…