On a Quasi-Ramsey problem |
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Authors: | Paul Erd s,J nos Pach |
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Affiliation: | Paul Erdös,János Pach |
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Abstract: | It is proved that if a graph G has atleast cn log n vertices, then either G or its complement G contains a subgraph H with atleast n vertices and minimum degree atleast | V(H)|/2. This result is not far from being best possible, as is shown by a rather unusual random construction. Some related questions are also discussed. |
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