نتایج جستجو برای: isomorphism of graphs

تعداد نتایج: 21177431  

Journal: :bulletin of the iranian mathematical society 2011
r. zaare-nahandi

A graph is said to be symmetric if its automorphism group is transitive on its arcs. A complete classification is given of pentavalent symmetric graphs of order 24p for each prime p. It is shown that a connected pentavalent symmetric graph of order 24p exists if and only if p=2, 3, 5, 11 or 17, and up to isomorphism, there are only eleven such graphs.

ژورنال: پژوهش های ریاضی 2022

In this paper, we determine the distance matrix and its characteristic polynomial of a Cayley graph over a group G in terms of irreducible representations of G. We give exact formulas for n-prisms, hexagonal torus network and cubic Cayley graphs over abelian groups. We construct an innite family of distance integral Cayley graphs. Also we prove that a nite abelian group G admits a connected...

Journal: :Discrete Mathematics 1994

Journal: :International Journal of Pure and Apllied Mathematics 2018

2008
A. Nagoor Gani J. Malarvizhi

In this paper, the order, size and degree of the nodes of the isomorphic fuzzy graphs are discussed. Isomorphism between fuzzy graphs is proved to be an equivalence relation. Some properties of self complementary and self weak complementary fuzzy graphs are discussed. Keywords—complementary fuzzy graphs, co-weak isomorphism, equivalence relation, fuzzy relation, weak isomorphism.

Journal: :CoRR 2015
Bireswar Das Murali Krishna Enduri I. Vinod Reddy

The clique-width is a measure of complexity of decomposing graphs into certain tree-like structures. The class of graphs with bounded clique-width contains bounded tree-width graphs. While there are many results on the graph isomorphism problem for bounded treewidth graphs, very little is known about isomorphism of bounded cliquewidth graphs. We give the first polynomial-time graph isomorphism ...

Journal: :Discrete Mathematics 2005

Journal: :Journal of Graph Theory 2005

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