The 3-colorability of planar graphs without cycles of length 4, 6 and 9

Ying-li Kang, Ligang Jin, Yingqian Wang. The 3-colorability of planar graphs without cycles of length 4, 6 and 9. Discrete Mathematics, 339(1):299-307, 2016. [doi]

Authors

Ying-li Kang

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Ligang Jin

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Yingqian Wang

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