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Star colorings and acyclic . . .

By Ken-ichi Kawarabayashi and Bojan Mohar


It is proved that every graph embedded in a fixed surface with sufficiently large edge-width is acyclically 7-colorable and that its star chromatic number is at most 2s ∗ 0 +3, where s ∗ 0 ≤ 20 is the maximum star chromatic number for the class of all planar graphs

Year: 2006
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