广西师范学院学报(自然科学版)
廣西師範學院學報(自然科學版)
엄서사범학원학보(자연과학판)
JOURNAL OF GUANGXI TEACHERS EDUCATION UNIVERSITY(NATURAL SCIENCE EDITION)
2013年
3期
8-12
,共5页
边连通度%全图%路图%全 Pk-图
邊連通度%全圖%路圖%全 Pk-圖
변련통도%전도%로도%전 Pk-도
edge connectivity%total graph%path graph%total Pk-graph
图 G的Pk-路图 Pk (G )是以 G的k-长路构成的集合为点集,这两个路在 Pk (G )中相邻当且仅当这两个 k-长路在G中的交为一个k -1-长路且并未一个k +1-长路或者k-长圈时。令 Ek ={(v ,p):p∈V(Pk(G)),v是图Pk(G)的一个顶点},定义全 Pk-图Tk(G)如下:Tk(G)=(V(G)∪V(Pk(G)),E(G)∪ E(Pk(G))∪ Ek)。该文研究全 Pk-图的边连通性。
圖 G的Pk-路圖 Pk (G )是以 G的k-長路構成的集閤為點集,這兩箇路在 Pk (G )中相鄰噹且僅噹這兩箇 k-長路在G中的交為一箇k -1-長路且併未一箇k +1-長路或者k-長圈時。令 Ek ={(v ,p):p∈V(Pk(G)),v是圖Pk(G)的一箇頂點},定義全 Pk-圖Tk(G)如下:Tk(G)=(V(G)∪V(Pk(G)),E(G)∪ E(Pk(G))∪ Ek)。該文研究全 Pk-圖的邊連通性。
도 G적Pk-로도 Pk (G )시이 G적k-장로구성적집합위점집,저량개로재 Pk (G )중상린당차부당저량개 k-장로재G중적교위일개k -1-장로차병미일개k +1-장로혹자k-장권시。령 Ek ={(v ,p):p∈V(Pk(G)),v시도Pk(G)적일개정점},정의전 Pk-도Tk(G)여하:Tk(G)=(V(G)∪V(Pk(G)),E(G)∪ E(Pk(G))∪ Ek)。해문연구전 Pk-도적변련통성。
The Pk-path graph Pk (G) corresponding to a graph G has for vertices the set of all paths of length k in G .Two vertices are joined by an edge if and only if the intersection of the corresponding paths forms a path of lengthk-1inG,andtheirunionformseitheracycleorapathoflengthk+1.LetEk ={(v,p):p∈V(Pk(G)), v is an end vertex of p in G},we define total Pk-graphs Tk (G) as Tk (G)= (V (G)∪V (Pk (G)) ,E(G)∪ E(Pk (G))∪ Ek ) .In this note ,we introduce total Pk-graphs Tk (G) and study their edge connectivity ,as the generaliza-tion of total graphs .