O. Rojo

activity

20122019

most citedSpectral results for the dominating induced matching problem

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

collaborators

Showing 2016 · math.COShow all

2 papers · 2 filters

math.CO2016

A note on the positive semidefinitness of $A_{α} (G)$

Vladimir Nikiforov, Oscar Rojo

Let $G$ be a graph with adjacency matrix $A (G)$ and let $D (G)$ be the diagonal matrix of the degrees of $G$ . For every real $α \in [0, 1]$ , write $A_{α} (G)$ fo…

math.CO2016★ 1 cited

On the $A_{α}$ -spectra of trees

Vladimir Nikiforov, Germain Pastén, Oscar Rojo +1

Let $G$ be a graph with adjacency matrix $A (G)$ and let $D (G)$ be the diagonal matrix of the degrees of $G$ . For every real $α \in [0, 1],$ define the matrix $A_α\left(G\r…

A note on the positive semidefinitness of Aα​(G)

On the Aα​-spectra of trees

A note on the positive semidefinitness of $A_{α} (G)$

On the $A_{α}$ -spectra of trees