No label defined (Q4873746)
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scientific article; zbMATH DE number 867633
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | No label defined |
scientific article; zbMATH DE number 867633 |
Statements
22 April 1996
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strong perfect graph conjecture
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chromatic number
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Cartan matrices of graphs
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critical imperfect graph
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polynomial algorithm
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