A note on relaxed equitable coloring of graphs
Information Processing Letters
Approximate multipartite version of the Hajnal-Szemerédi theorem
Journal of Combinatorial Theory Series B
An improved upper bound on the density of universal random graphs
LATIN'12 Proceedings of the 10th Latin American international conference on Theoretical Informatics
Every 4-Colorable Graph With Maximum Degree 4 Has an Equitable 4-Coloring
Journal of Graph Theory
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A proper vertex coloring of a graph is equitable if the sizes of color classes differ by at most one. The celebrated Hajnal-Szemerédi Theorem states: For every positive integer r, every graph with maximum degree at most r has an equitable coloring with r+1 colors. We show that this coloring can be obtained in O(rn 2) time, where n is the number of vertices.