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Roberto C. Diaz

10 papers hereh-index 215 citations8 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • first author10

Across the 10 of 10 papers where every author was matched, so the position is known.

fields
  • math.AG4
  • math.AC3
  • math.CO2
  • math.GM1

identity via Semantic Scholar / OpenAlex

activity
20222026
most citedOn the automorphism group of non-necessarily normal affine toric varieties

4 citations · 6 across the 6 of their papers we have counts for

collaborators
Showing math.COShow all

2 papers · 1 filter

math.CO2025

Spectral properties of the deformed Laplacian matrix of trees and H-join graphs

Roberto C. Díaz, Elismar R. Oliveira, Vilmar Trevisan

This paper investigates spectral properties of the deformed Laplacian matrix, which merges the Laplacian and signless Laplacian matrices of a graph through a one-parameter family o…

math.CO2023

New results about the Inverse Eigenvalue Problem of a Graph

Roberto C. Díaz, Ana I. Julio

All graphs considered are simple and undirected. The Inverse Eigenvalue Problem of a Graph G (IEP-G) aims to find all possible spectra for matrices whose (i,j)−entry, for $i\ne…

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Not affiliated with arXiv. Researcher data from Semantic Scholar (ODC-BY) and OpenAlex.