Welsh-Powell opposition graphs (Q1115450)
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scientific article; zbMATH DE number 4085677
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Welsh-Powell opposition graphs |
scientific article; zbMATH DE number 4085677 |
Statements
Welsh-Powell opposition graphs (English)
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1989
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We characterize a class of graphs for which the Welsh-Powell colouring heuristics results in an optimum colouring. We outline a polynomial-time recognition algorithm together with linear-time optimization algorithms for this class of graphs.
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Welsh-Powell colouring heuristics
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optimum colouring
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recognition algorithm
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