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Clique covering of graphs

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Abstract

Let cc(G) denote the least number of complete subgraphs necessary to cover the edges of a graphG. Erdős conjectured that for a graphG onn vertices

$$cc(G) + cc(\bar G) \leqq \frac{1}{4}n^2 + 2$$

ifn is sufficiently large. We prove this conjecture.

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References

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Pyber, L. Clique covering of graphs. Combinatorica 6, 393–398 (1986). https://doi.org/10.1007/BF02579265

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  • DOI: https://doi.org/10.1007/BF02579265

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