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Plane graphs without 4- and 5-cycles and without ext-triangular 7-cycles are 3-colorable
Date:2017-01-01
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Date of Publication:
2017-01-01
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Cores, joins and the Fano-Flow conjectures
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The 3-colorability of planar graphs without cycles of length 4, 6 and 9
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Doctorate
Ligang Jin
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