D. Stojanoff

activity

19992005

most citedJensen's Inequality and majorization

7 citations · 7 across the 5 of their papers we have counts for

collaborators

Showing 2004Show all

2 papers · 1 filter

math.FA2004★ 7 cited

Jensen's Inequality and majorization

Jorge Antezana, Pedro Massey, Demetrio Stojanoff

Let $A$ be a $C^{*}$ -algebra and $ϕ:\cA\to L(H)$ be a positive unital map. Then, for a convex function $f : I \to R$ defined on some open interval and a self-adjoint…

math.FA2004

Spectral shorted operators

Jorge Antezana, Gustavo Corach, Demetrio Stojanoff

If $H$ is a Hilbert space, $S \subseteq H$ is a closed subspace of $H$ , and $A$ is a positive bounded linear operator on $H$ , the spec…