In this paper, we consider construction of upper bound graphs. An upper bound graph can be transformed into a nova by contractions and a nova can be ...

In this paper, we consider construction of upper bound graphs. An upper bound graph can be transformed into a nova by contractions and a nova can be ...

A note on construction of upper bound graphs 3 bound graphs. They obtained some properties on transformations of upper bound graphs as follow: Proposition 2 ...

Mar 10, 2020 · In this paper, we consider construction of upper bound graphs. An upper bound graph can be transformed into a nova by contractions and a nova ...

In this paper, we consider finite undirected simple graphs. For a vertex v in G, the neighborhood of v is the set of vertices which are adjacent to v, ...

Abstract. For every n ∈ N, we construct an n-vertex planar graph G = (V,E), and n distinct points p(v), v ∈ V , in the plane such that in any crossing-free ...

In this talk, we consider construction of double bound graphs. A double bound graph can be transformed into a bipartite graph by deletions and a bipartite ...

Jun 1, 2009 · In the upper bound graph of a poset P, the vertex set is V(P) and xy is an edge if there exists an m@?V(P) with x,y@?

Here we present an explicit construction of an infinite family H of cubic graphs Λ with diameter 1.413 lg ⁡ | V ( Λ ) | + O ( 1 ) .

Jan 21, 2013 · A very naive upper bound is simply nΔ/2, but that bound can only be attained by regular graphs, and if n and Δ are both odd, then the bound is ...