## For a graph G and an integer an independent set of vertices in G}. Enomoto proved the following theorem. Let s โฅ 1 and let G be a (s + 2)-connected graph. Then G has a cycle of length โฅ min{|V (G)|, ฯ 2 (G) -s} passing through any path of length s. We generalize this result as follows. Let k โฅ
Long cycles passing through a specified edge in a 3-connected graph
โ Scribed by Enomoto, Hikoe; Hirohata, Kazuhide; Ota, Katsuhiro
- Publisher
- John Wiley and Sons
- Year
- 1997
- Tongue
- English
- Weight
- 80 KB
- Volume
- 24
- Category
- Article
- ISSN
- 0364-9024
No coin nor oath required. For personal study only.
โฆ Synopsis
We prove the following theorem: For a connected noncomplete graph
Then through each edge of G there passes a cycle of length โฅ min{|V (G)|, ฯ(G) -1}.
๐ SIMILAR VOLUMES
We propose a conjecture: for each integer k โฅ 2, there exists N (k) such that if G is a graph of order n โฅ N (k) and d(x) + d(y) โฅ n + 2k -2 for each pair of nonadjacent vertices x and y of G, then for any k independent edges e 1 , . . . , e k of G, there exist If this conjecture is true, the condi
Let G be a 2-connected graph, let u and v be distinct vertices in V (G), and let X be a set of at most four vertices lying on a common (u