Graphic matrices
Zofia Majcher (1988)
Mathematica Slovaca
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Displaying similar documents to “On some regularities of graphs. II.”
Graphic matrices
Matrices representable by directed graphs
Zofia Majcher (1985)
Archivum Mathematicum
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A family of nonregular distance monotone graphs
Michel Mollard (1990)
Czechoslovak Mathematical Journal
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On graphs with given neighbourhoods
Peter Bugata, Mirko Horňák, Stanislav Jendroľ (1989)
Časopis pro pěstování matematiky
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Hadamard matrices and strongly regular graphs with the 3-e. c. adjacency property.
Bonato, Anthony, Holzmann, W.H., Kharaghani, Hadi (2001)
The Electronic Journal of Combinatorics [electronic only]
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On composition of signed graphs
K. Shahul Hameed, K.A. Germina (2012)
Discussiones Mathematicae Graph Theory
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A graph whose edges are labeled either as positive or negative is called a signed graph. In this article, we extend the notion of composition of (unsigned) graphs (also called lexicographic product) to signed graphs. We employ Kronecker product of matrices to express the adjacency matrix of this product of two signed graphs and hence find its eigenvalues when the second graph under composition is net-regular. A signed graph is said to be net-regular if every vertex has constant net-degree,...