Delta-system decompositions of graphs (Q1356709)
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scientific article; zbMATH DE number 1019065
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Delta-system decompositions of graphs |
scientific article; zbMATH DE number 1019065 |
Statements
Delta-system decompositions of graphs (English)
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4 January 1998
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A graph \(G\) has a decomposition into graphs \(G_1,\dots,G_t\), if \(G\) is an edge-disjoint union of graphs each of which is isomorphic to some graph \(G_i\). Let \(c\) be a fixed positive integer. The main result of the paper states that the problem to decide whether a graph \(G\) has an edge decompositions into graphs \(K_{1,c}\) and \(cK_2\) (the only two \(\Delta\)-systems of size \(c\) in the case of graphs) is in the class P.
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delta-system
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