Advances and Applications in Discrete Mathematics - Journal - Bridge of Knowledge

Advances and Applications in Discrete Mathematics

ISSN:

0974-1658

Disciplines
(Field of Science):

mathematics (Natural sciences)

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Year 2013

Equitable coloring of corona products of graphs
Publication
- H. Furmańczyk
- K. Kaliraj
- M. Kubale
- J. Vernold Vivin
- Advances and Applications in Discrete Mathematics - Year 2013
In this paper we consider an equitable coloring of some corona products of graphs G and H in symbols, G o H). In particular, we show that deciding the colorability of G o H is NP-complete even if G is 4-regular and H is K_2. Next, we prove exact values or upper bounds on the equitable chromatic number of G o H, where G is an equitably 3- or 4-colorable graph and H is an r-partite graph, a path, a cycle or a complete graph.

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