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AKCE International Journal of Graphs and Combinatorics Volume 17, 2020 - Issue 1
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Articles

The upper domatic number of a graph

Teresa W. HaynesDepartment of Mathematics and Statistics, East Tennessee State University, Johnson City, TN37614-0002, USA; ;Department of Mathematics, University of Johannesburg, Auckland Park, South Africa; Correspondence[email protected] [email protected] [email protected] [email protected] [email protected]
,
Jason T. HedetniemiDepartment of Mathematics, Wingate University, Wingate, NC28174, USA;
,
Stephen T. HedetniemiProfessor Emeritus, School of Computing, Clemson University, Clemson, SC29634, USA;
,
Alice McRaeDepartment of Computer Science, Appalachian State University, Boone, NC28608, USA;
&
Nicholas PhillipsDepartment of Computer Science, Appalachian State University, Boone, NC28608, USA;
Pages 139-148 | Published online: 01 Jun 2020

Figures & data

Fig. 1 D(H)=4>D(G)=3, where H=G−v11.

Fig. 1 D(H)=4>D(G)=3, where H=G−v11.

Fig. 2 Tr(Gi)<D(Gi) for i=1, 2.

Fig. 2 Tr(Gi)<D(Gi) for i=1, 2.

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