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"Planar graphs without 7-cycles and butterflies are DP-4-colorable."

Seog-Jin Kim, Runrun Liu, Gexin Yu (2020)

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DOI: 10.1016/J.DISC.2019.111714

access: closed

type: Journal Article

metadata version: 2020-07-20

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Seog-Jin Kim, Runrun Liu, Gexin Yu:
Planar graphs without 7-cycles and butterflies are DP-4-colorable. Discret. Math. 343(8): 111714 (2020)

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