P. Massey

most citedJensen's Inequality and majorization

7 citations · 7 across the 2 of their papers we have counts for

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math.FA2005

The Schur-Horn theorem for operators and frames with prescribed norms and frame operator

J. Antezana, P. Massey, M. Ruiz +1

Let $H$ be a Hilbert space. Given a bounded positive definite operator $S$ on $H$ , and a bounded sequence $c = {c_{k}}_{k \in N}$ of non negativ…

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…