On the null-homotopy of graphs (Q1096644)
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scientific article; zbMATH DE number 4031734
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | On the null-homotopy of graphs |
scientific article; zbMATH DE number 4031734 |
Statements
On the null-homotopy of graphs (English)
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1987
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The author presents an example of a graph G in which every cycle is the mod 2 sum of triangles but no edge-deleted subgraph G-e has the same property, disproving thereby a conjecture of \textit{P. Duchet, M. Las Vergnas} and \textit{H. Meyniel} [Discrete Math. 62, 145-154 (1986; Zbl 0609.05032)].
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null-homologous graph
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cycle
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