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researcher

N. Abreu

5 papers hereh-index 161.7k citations63 works total

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

author position
  • first author5

Across the 5 of 5 papers where every author was matched, so the position is known.

fields
  • math.CO3
  • cs.DM2
same name
  • N. Abreu — 3 papers, h 6
  • N. Abreu — 1 paper, h 2

Either other researchers who publish under this name, or the same person where the external sources have not merged their records.

identity via Semantic Scholar / OpenAlex

activity
20152020
most citedOn main eigenvalues of certain graphs

8 citations · 9 across the 4 of their papers we have counts for

collaborators
Showing 2016Show all

1 paper · 1 filter

math.CO2016★ 8 cited

On main eigenvalues of certain graphs

Nair Abreu, Domingos M. Cardoso, Francisca A. M. França +1

An eigenvalue of the adjacency matrix of a graph is said to be \emph{main} if the all-1 vector is not orthogonal to the associated eigenspace. In this work, we approach the main ei…

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