Connected cutsets of a graph and triangl
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P Duchet; M Las Vergnas; H Meyniel
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Article
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1986
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Elsevier Science
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English
โ 602 KB
We investigate some properties of graphs whose cycle space has a basis constituted of triangles ('null-homotopic' graphs). We obtain characterizations in the case of planar graphs, and more generally, of graphs not contractible onto Ks. These characterizations involve separating subsets and decompos