Results 91 to 100 of about 5,334 (146)
Edge Roman domination on graphs
, 2014 An edge Roman dominating function of a graph $G$ is a function $f\colon E(G) \rightarrow \{0,1,2\}$ satisfying the condition that every edge $e$ with $f(e)=0$ is adjacent to some edge $e'$ with $f(e')=2$.
Chang, Gerard J. +2 more
core
On the Relationships between Zero Forcing Numbers and Certain Graph Coverings
Special Matrices, 2014 The zero forcing number and the positive zero forcing number of a graph are two graph parameters that arise from two types of graph colourings. The zero forcing number is an upper bound on the minimum number of induced paths in the graph that cover all ...
Taklimi Fatemeh Alinaghipour +2 more
doaj +1 more source
The complexity of frugal colouring. [PDF]
Arab J Math, 2021 Bard S, MacGillivray G, Redlin S.
europepmc +1 more source
Chromatic Sums for Colorings Avoiding Monochromatic Subgraphs
Discussiones Mathematicae Graph Theory, 2015 Given graphs G and H, a vertex coloring c : V (G) →ℕ is an H-free coloring of G if no color class contains a subgraph isomorphic to H. The H-free chromatic number of G, χ (H,G), is the minimum number of colors in an H-free coloring of G.
Kubicka Ewa +2 more
doaj +1 more source
Horizontal visibility graph of a random restricted growth sequence. [PDF]
Adv Appl Math, 2021 Mansour T, Rastegar R, Roitershtein A.
europepmc +1 more source
Choosability with separation of cycles and outerplanar graphs
Discussiones Mathematicae Graph Theory, 2023 Jean-Christophe Godin, Oliver Togni
doaj +1 more source
A note on compact and compact circular edge-colorings of graphs
Discrete Mathematics & Theoretical Computer Science, 2008 In the paper we study two variants of edge-coloring of edge-weighted graphs, namely compact edge-coloring and circular compact edge-coloring. First, we discuss relations between these two coloring models.
Dariusz Dereniowski, Adam Nadolski
doaj
Clustering systems of phylogenetic networks. [PDF]
Theory Biosci, 2023 Hellmuth M, Schaller D, Stadler PF.
europepmc +1 more source
Structure Properties of Generalized Farey graphs based on Dynamical Systems for Networks. [PDF]
Sci Rep, 2018 Jiang W, Zhai Y, Martin P, Zhao Z.
europepmc +1 more source