Distance-Restricted Matching Extension in Triangulations of the Torus and the Klein Bottle

Distance-Restricted Matching Extension in Triangulations of the Torus and the Klein Bottle
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环面和克莱因瓶三角剖分中的距离限制匹配扩展

DOI:
10.37236/2952
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发表时间:
2014
期刊:
Electron. J. Comb.
影响因子:
--
通讯作者:
J. Fujisawa
J. Fujisawa
中科院分区:
--
文献类型:
--
作者:
R. Aldred;J. Fujisawa

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一个边数至少为2 m +2 m的图G称是距离d m-可扩的,如果对任意边数为m且边对距离至少为d的匹配M,G中存在一个包含M的完美匹配.在以前的论文中,Aldred和Plummer证明了平面或偶数阶射影平面的每个5-连通三角剖分对于任意m-可扩。在本文中,我们证明了相同的结论适用于环面或克莱因瓶的每个三角剖分。
A graph $G$ with at least $2m+2$ edges is said to be distance $d$ $m$-extendable if for any matching $M$ in $G$ with $m$ edges in which the edges lie pair-wise distance at least $d$, there exists a perfect matching in $G$ containing $M$. In a previous paper, Aldred and Plummer proved that every $5$-connected triangulation of the plane or the projective plane of even order is distance $5$ $m$-extendable for any $m$. In this paper we prove that the same conclusion holds for every triangulation of the torus or the Klein bottle.
DOI: 10.1007/s00373-010-0927-8
发表时间: 2010-07
影响因子: 0.7
作者:
Iwao Mizukai;Seiya Negami;Yusuke Suzuki
通讯作者: Iwao Mizukai;Seiya Negami;Yusuke Suzuki