1 citations · 4 across the 12 of their papers we have counts for
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math.CO2022★ 1 cited
On the algebraic connectivity of token graphs
C. Dalfó, M. A. Fiol
We study the algebraic connectivity (or second Laplacian eigenvalue) of token graphs, also called symmetric powers of graphs. The -token graph of a graph is the gra…
math.CO2022
Almost Moore and the largest mixed graphs of diameters two and three
C. Dalfó, M. A. Fiol, N. López
Almost Moore mixed graphs\/} appear in the context of the degree/diameter problem as a class of extremal mixed graphs, in the sense that their order is one unit less than the Moore…
math.CO2022★ 1 cited
On inertia and ratio type bounds for the -independence number of a graph and their relationship
Aida Abiad, Cristina Dalfó, Miquel Àngel Fiol +1
For , the -independence number of a graph is the maximum number of vertices that are mutually at distance greater than . The well-known inertia and ratio bounds…