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arxiv: math/0501211 · v1 · submitted 2005-01-14 · 🧮 math.CO

The minimum number of 4-cliques in graphs with triangle-free complement

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keywords boundcliquescomplementgraphsminimumnumbertriangle-freecase
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Write f(n) for the minimum number of 4-cliques in graphs of order n with triangle-free complement. Finding f(n) is a particular case of a problem raised by Erdos in 1962. We give an upper bound of f(n) and a matching lower bound when the graph is close to regular.

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