The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit later.
We apologize for any inconvenience caused
Login  | Sign Up  |  Oriprobe Inc. Feed
China/Asia On Demand
Journal Articles
Laws/Policies/Regulations
Companies/Products
Bookmark and Share
Unretractive property of generalized lexicographic product of graphs
Author(s): 
Pages: 1-4
Year: Issue:  2
Journal: JOURNAL OF NORTHWEST NORMAL UNIVERSITY(NATURAL SCIENCE)

Keyword:  广义字典序积同态自同态不可收缩的广义圈积奇圈;
Abstract: 研究图X与一簇图{Yx|x∈V(X)}的广义字典序积X[Yx|x∈V(X)]的自同态幺半群,得到当所有Yx的团数都相等时,C2n+1[Yx|x∈V(C2n+1)]是不可收缩的当且仅当每一个Yx是不可收缩的.
Related Articles
No related articles found