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Issue:
Some features of boundary vertices of coronoid systems
Author(s):
WEI Shou-liu
,
KE Xiao-ling
,
ZHANG Song-chuan
Pages:
464
-
466,477
Year:
2006
Issue:
4
Journal:
JOURNAL OF FUZHOU UNIVERSITY(NATURAL SCIENCE EDITION)
Keyword:
冠状系统
;
顶点
;
边界
;
Abstract:
就冠状系统和广义的单冠状系统,由欧拉公式给出了其边界上的2度顶点与3度顶点的关系:冠状系统G边界上的3度顶点数等于边界上的2度顶点数加6倍的非六角形内面数,然后减6;广义的单冠状系统H边界上的2度顶点数大于其3度顶点数加2.
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