A Graph with cover degeneracy less than
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A.V. Pyatkin
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Article
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2001
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John Wiley and Sons
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English
β 78 KB
π 1 views
## Abstract This note contains an example of a 4βchromatic graph which admits a vertex partition into three parts such that the union of every two of them induces a forest. Β© 2001 John Wiley & Sons, Inc. J Graph Theory 37: 243β246, 2001