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arxiv: 1011.0180 · v2 · pith:Y4HJJOEPnew · submitted 2010-10-31 · 💻 cs.CC · cond-mat.stat-mech· math.CO· math.PR

Independent sets in random graphs from the weighted second moment method

classification 💻 cs.CC cond-mat.stat-mechmath.COmath.PR
keywords independentmethoddegreemomentrandomsecondweightedaverage
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We prove new lower bounds on the likely size of a maximum independent set in a random graph with a given average degree. Our method is a weighted version of the second moment method, where we give each independent set a weight based on the total degree of its vertices.

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