2-extendability of toroidal polyhexes and Klein-bottle polyhexes
2-extendability of toroidal polyhexes and Klein-bottle polyhexes
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2-环形多六边形和克莱因瓶多六边形的可扩展性
DOI:
10.1016/j.dam.2008.03.009
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发表时间:
2009-01
影响因子:
1.1
通讯作者:
Zhang, Heping
中科院分区:
文献类型:
--
作者:
Ye, Dong;Zhang, Heping
A toroidal polyhex (resp. Klein-bottle polyhex) described by a string (p,q,t) arises from a p×q-parallelogram of a hexagonal lattice by a usual torus (resp. Klein bottle) boundary identification with a torsion t. A connected graph G admitting a perfect matching is k-extendable if |V(G)|≥2k+2 and any k independent edges can be extended to a perfect matching of G. In this paper, we characterize 2-extendable toroidal polyhexes and 2-extendable Klein-bottle polyhexes.
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DOI:
10.1145/258533.258625
发表时间:
1997-05
期刊:
--
影响因子:
--
作者:
W. McCuaig;N. Robertson;P. Seymour;R. Thomas
通讯作者:
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影响因子:
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发表时间:
2004-06
期刊:
Electron. J. Comb.
影响因子:
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作者:
W. McCuaig
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DOI:
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发表时间:
2000
期刊:
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影响因子:
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