2011
DOI: 10.1007/s00373-011-1086-2
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Isomorphism Checking of I-graphs

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Cited by 15 publications
(18 citation statements)
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“…Therefore checking isomorphisms of I-graphs is important. The following result, recently proven in [17], see also [4], determines the collection of isomorphs of a given I-graph.…”
Section: Existence Of Admissible Isomorphs Of I-graphsmentioning
confidence: 92%
“…Therefore checking isomorphisms of I-graphs is important. The following result, recently proven in [17], see also [4], determines the collection of isomorphs of a given I-graph.…”
Section: Existence Of Admissible Isomorphs Of I-graphsmentioning
confidence: 92%
“…In [1], several graph-theoretic properties of I(n, j, k) such as connectedness, girth, being bipartite or being vertex-symmetric, are characterized in terms of number-theoretic properties of parameters n, j, k. An algorithm for deciding which sets of parameter values give rise to isomorphic I-graphs is also given there. In [5], the following result (crucial for our enumeration) is proved: Theorem 1.1. I(n, j, k) and I(n, j , k ) are isomorphic if and only if there exists an integer a, relatively prime to n, such that either {j , k } = {aj mod n, ak mod n} or {j , k } = {aj mod n, −ak mod n}.…”
Section: Introductionmentioning
confidence: 99%
“…If GCD(n, k, l) = m > 1, then I(n, k, l) is a union of m copies of the graph I(n/m, k/m, l/m). If m = 1 and GCD(k, l) = d, then the graphs I(n, k, l) and I(n, k/d, l/d) are isomorphic [25], [22], [24]. So, in what follows, we assume k and l to be relatively prime.…”
Section: Introductionmentioning
confidence: 99%