7 citations · 7 across the 2 of their papers we have counts for
2 papers
math.FA2005
The Schur-Horn theorem for operators and frames with prescribed norms and frame operator
J. Antezana, P. Massey, M. Ruiz +1
Let be a Hilbert space. Given a bounded positive definite operator on , and a bounded sequence of non negativ…
math.FA2004★ 7 cited
Jensen's Inequality and majorization
Jorge Antezana, Pedro Massey, Demetrio Stojanoff
Let be a -algebra and $ϕ:\cA\to L(H)$ be a positive unital map. Then, for a convex function defined on some open interval and a self-adjoint…