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On types of growth for graph-different permutations

✍ Scribed by János Körner; Gábor Simonyi; Blerina Sinaimeri


Book ID
108167261
Publisher
Elsevier Science
Year
2009
Tongue
English
Weight
191 KB
Volume
116
Category
Article
ISSN
0097-3165

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Let G be a connected graph with n vertices. Let a be a permutation in S n . The a-generalized graph over G, denoted by P a (G), consists of two disjoint, identical copies of G along with edges £a(£). In this paper, we investigated the relation between diameter of P a (G) and diameter of G for any pe

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## Abstract A polynomial time algorithm for testing isomorphism of permutation graphs (comparability graphs of 2‐dimensional partial orders) is described. It operates by performing two types of simplifying transformations on the graph; the contraction of duplicate vertices and the contraction of un