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cs.DM2016★ 2 cited
Cograph generation with linear delay
Átila A. Jones, Fábio Protti, Renata R. Del-Vecchio
Cographs have always been a research target in areas such as coloring, graph decomposition, and spectral theory. In this work, we present an algorithm to generate all unlabeled cog…
cs.DM2016
Laplacian integrality in P4-sparse and P4-extendible graphs
Renata Del-Vecchio, Atila Jones
Let G be a simple graph and L = L(G) the Laplacian matrix of G. G is called L-integral if all its Laplacian eigenvalues are integer numbers. It is known that every cograph, a graph…