We construct sonic infinite family of planar graphs with star chromatic number, where, partially answering a question of Vince,

  • 本文构造出了星色数为3+1/d,3+3(3d-1),3+3/(3d-1),和3+3/(3d-2)的一些平面图类,从而部分解决了Vince的问题,
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