The number of contractible edges in 3-connected graphs (Q1111571)
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scientific article; zbMATH DE number 4075111
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | The number of contractible edges in 3-connected graphs |
scientific article; zbMATH DE number 4075111 |
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The number of contractible edges in 3-connected graphs (English)
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1988
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An edge of a 3-connected graph is called contractible if its contraction results in a 3-connected graph. This paper establishes a lower bound of \((2| E(G)| +12)/7\) for contractible edges of every 3-connected graph G.
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3-connected graph
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contractible edges
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