On the sigma chromatic number of the join of a finite number of paths and cycles
Sign Up to like & getrecommendations! Published in 2019 at "Asian-european Journal of Mathematics"
DOI: 10.1142/s1793557121500194
Abstract: Let G be a simple connected graph and c : V (G) → ℕ a coloring of the vertices in G. For any v ∈ V (G), let σ(v) be the sum of colors of… read more here.
Keywords: sigma chromatic; finite number; join finite; number ... See more keywords
The Crossing Number of Join of a Special Disconnected 6-Vertex Graph with Cycle
Sign Up to like & getrecommendations! Published in 2023 at "Mathematics"
DOI: 10.3390/math11102253
Abstract: The crossing number of a graph G, cr(G), is defined as the smallest possible number of edge-crossings in a drawing of G in the plane. There are almost no results concerning crossing number of join… read more here.
Keywords: disconnected vertex; number; vertex graph; crossing number ... See more keywords
Determining Crossing Number of Join of the Discrete Graph with Two Symmetric Graphs of Order Five
Sign Up to like & getrecommendations! Published in 2019 at "Symmetry"
DOI: 10.3390/sym11020123
Abstract: The main aim of the paper is to give the crossing number of the join product G + D n for the disconnected graph G of order five consisting of one isolated vertex and of… read more here.
Keywords: number join; discrete graph; crossing number; order five ... See more keywords