Noelia B. Rios

activity

20162025

collaborators

Showing 2018Show all

2 papers · 1 filter

math.FA2018

Generalized frame operator distance problems

Pedro Massey, Noelia Rios, Demetrio Stojanoff

Let $S \in M_{d} (C)^{+}$ be a positive semidefinite $d \times d$ complex matrix and let $a = (a_{i})_{i \in I_{k}} \in R_{> 0}^{k}$ , indexed by $\mathbb{I…

math.FA2018

Local Lidskii's theorems for unitarily invariant norms

Pedro Massey, Noelia B. Rios, Demetrio Stojanoff

Lidskii's additive inequalities (both for eigenvalues and singular values) can be interpreted as an explicit description of global minimizers of functions that are built on unitari…