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Connectivity of natural modular graphs - MaRDI portal

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Connectivity of natural modular graphs (Q1968554)

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scientific article; zbMATH DE number 1418949
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English
Connectivity of natural modular graphs
scientific article; zbMATH DE number 1418949

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    Connectivity of natural modular graphs (English)
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    26 November 2000
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    A natural modular graph \((V,E)\) is defined by two sets of integers, \(V\) and \(U\), such that any two vertices \(x,y \in V\) are adjacent if and only if \(|x-y|\in U\). The natural modular graph defined by \([n]\) and \(U\) is connected if and only if \(\text{gcd}(U) = 1\) and \(\sum U \leq (|U|-1) \cdot n + 1\).
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    natural modular graph
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