Generating random graphs in biased Maker-Breaker games

preprint2015arXivOpen access

Abstract

We present a general approach connecting biased Maker-Breaker games and problems about local resilience in random graphs. We utilize this approach to prove new results and also to derive some known results about biased Maker-Breaker games. In particular, we show that for b=o(n)b=o\left(\sqrt{n}\right), Maker can build a pancyclic graph (that is, a graph that contains cycles of every possible length) while playing a (1:b)(1:b) game on E(Kn)E(K_n). As another application, we show that for b=Θ(n/ln⁡n)b=Θ\left(n/\ln n\right), playing a (1:b)(1:b) game on E(Kn)E(K_n), Maker can build a graph which contains copies of all spanning trees having maximum degree Δ=O(1)Δ=O(1) with a bare path of linear length (a bare path in a tree TT is a path with all interior vertices of degree exactly two in TT).

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