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Roman domination subdivision number of graphs

โœ Scribed by M. Atapour; S. M. Sheikholeslami; Abdollah Khodkar


Publisher
Springer
Year
2009
Tongue
English
Weight
268 KB
Volume
78
Category
Article
ISSN
0001-9054

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Note on 2-rainbow domination and Roman d
โœ Yunjian Wu; Huaming Xing ๐Ÿ“‚ Article ๐Ÿ“… 2010 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 244 KB

A Roman dominating function of a graph G is a function f : V โ†’ {0, 1, 2} such that every vertex with 0 has a neighbor with 2. The minimum of f (V (G)) = vโˆˆV f (v) over all such functions is called the Roman domination number ฮณ R (G). A 2-rainbow dominating function of a graph G is a function g that