Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4646571 | Discrete Mathematics | 2017 | 11 Pages |
Let GG be an infinite graph whose vertex set is the set of positive integers, and let GnGn be the subgraph of GG induced by the vertices {1,2,…,n}{1,2,…,n}. An increasing path of length kk in GG, denoted IkIk, is a sequence of k+1k+1 vertices 1≤i1