Coloring perfect \((K_ 4\)-e)-free graphs (Q1071025)
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scientific article; zbMATH DE number 3937192
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Coloring perfect \((K_ 4\)-e)-free graphs |
scientific article; zbMATH DE number 3937192 |
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Coloring perfect \((K_ 4\)-e)-free graphs (English)
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1987
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This note proves the Strong Perfect Graph Conjecture for (K\({}_ 4-e)\)- free graphs from first principles. The proof directly yields an \(O(pn^ 2)\) algorithm for p-coloring perfect \((K_ 4-e)\)-free graphs. (Note: a previously published proof of this result by Parthasarathy and Ravindra is incorrect.)
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strong perfect graph conjecture
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algorithm
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coloring
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(K4-e)-free graphs
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