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Probabilistic Methods in Combinatorics

Joel Spencer
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Joel Spencer: Courant Institute

A chapter in Proceedings of the International Congress of Mathematicians, 1995, pp 1375-1383 from Springer

Abstract: Abstract In 1947 Paul Erdős [8] began what is now called the probabilistic method. He showed that if $$\left( {\begin{array}{*{20}{c}} n \\ k \\ \end{array} } \right){{2}^{{1 - \left( {\begin{array}{*{20}{c}} k \\ 2 \\ \end{array} } \right)}}} n.) In modern lanuage he considered the random graph G(n,.5) as described below. For each k-set S let BS denote the “bad” events that S is either a clique or an independent set. Then Pr[BS] = 21-(k/2) so that ΣPr[BS]

Date: 1995
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DOI: 10.1007/978-3-0348-9078-6_132

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