MacLane's theorem for arbitrary surfaces

MacLane's theorem for arbitrary surfaces
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DOI:
10.1016/j.jctb.2008.03.005
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发表时间:
2009-03
期刊:
J. Comb. Theory B
影响因子:
--
通讯作者:
H. Bruhn;R. Diestel
H. Bruhn;R. Diestel
中科院分区:
其他
文献类型:
--
作者:
H. Bruhn;R. Diestel

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给定一个闭曲面S,我们用一个代数条件刻画了嵌入到S中的图的圈空间存在一个稀疏生成集。当S为球体时,条件默认为麦克兰的平面性准则。
Given a closed surface S, we characterise the graphs embeddable in S by an algebraic condition asserting the existence of a sparse generating set for their cycle space. When S is the sphere, the condition defaults to MacLane's planarity criterion.