Results 31 to 40 of about 77,249 (276)

Complexity of C_k-Coloring in Hereditary Classes of Graphs [PDF]

open access: yes, 2019
For a graph F, a graph G is F-free if it does not contain an induced subgraph isomorphic to F. For two graphs G and H, an H-coloring of G is a mapping f:V(G) -> V(H) such that for every edge uv in E(G) it holds that f(u)f(v)in E(H).
Chudnovsky, Maria   +4 more
core   +3 more sources

Perfectly colorable graphs [PDF]

open access: yesInformation Processing Letters, 2011
2 pages, 1 ...
openaire   +2 more sources

Coloring Graphs in Oriented Coloring of Cubic Graphs

open access: yesGraphs and Combinatorics, 2022
AbstractOriented coloring of an oriented graph G is an arc-preserving homomorphism from G into a tournament H. We say that the graph H is universal for a family of oriented graphs $$\mathcal {C}$$ C if for every $$G\in \mathcal {C}$$ G ∈ C
openaire   +2 more sources

On Rainbow Antimagic Coloring of Joint Product of Graphs

open access: yesCauchy: Jurnal Matematika Murni dan Aplikasi, 2023
Let  be a connected graph with vertex set  and edge set . A bijection  from  to the set  is a labeling of graph . The bijection  is called rainbow antimagic vertex labeling if for any two edge  and  in path , where  and .
Brian Juned Septory   +3 more
doaj   +1 more source

Solutions of Some L(2, 1)-Coloring Related Open Problems

open access: yesDiscussiones Mathematicae Graph Theory, 2016
An L(2, 1)-coloring (or labeling) of a graph G is a vertex coloring f : V (G) → Z+ ∪ {0} such that |f(u) − f(v)| ≥ 2 for all edges uv of G, and |f(u)−f(v)| ≥ 1 if d(u, v) = 2, where d(u, v) is the distance between vertices u and v in G.
Mandal Nibedita, Panigrahi Pratima
doaj   +1 more source

AN INCLUSIVE LOCAL IRREGULARITY VERTEX COLORING OF BOOK GRAPH FAMILY

open access: yesBarekeng, 2023
Let  is a simple and connected graph with    as vertex set and  as edge set. Vertex labeling on inclusive local irregularity vertex coloring is defined by mapping and the function of the inclusive local irregularity vertex coloring is with .
Robiatul Adawiyah   +2 more
doaj   +1 more source

Acyclic edge-coloring using entropy compression [PDF]

open access: yes, 2013
An edge-coloring of a graph G is acyclic if it is a proper edge-coloring of G and every cycle contains at least three colors. We prove that every graph with maximum degree Delta has an acyclic edge-coloring with at most 4 Delta - 4 colors, improving the ...
Aline Parreau   +14 more
core   +3 more sources

Extending Graph Colorings

open access: yesJournal of Combinatorial Theory, Series B, 1999
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Albertson, Michael O., Moore, Emily H.
openaire   +1 more source

Topological and Graph-coloring Conditions on the Parameter-independent Stability of Second-order Networked Systems [PDF]

open access: yes, 2017
In this paper, we study parameter-independent stability in qualitatively heterogeneous passive networked systems containing damped and undamped nodes.
Bürger, Mathias   +3 more
core   +2 more sources

On facial unique-maximum (edge-)coloring [PDF]

open access: yes, 2017
A facial unique-maximum coloring of a plane graph is a vertex coloring where on each face $\alpha$ the maximal color appears exactly once on the vertices of $\alpha$.
Andova, Vesna   +4 more
core   +3 more sources

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