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The threshold bias of the clique-factor game
Journal of Combinatorial Theory Series B ( IF 1.2 ) Pub Date : 2021-10-14 , DOI: 10.1016/j.jctb.2021.10.001
Anita Liebenau , Rajko Nenadov

Let r4 be an integer and consider the following game on the complete graph Kn for nrZ: Two players, Maker and Breaker, alternately claim previously unclaimed edges of Kn such that in each turn Maker claims one and Breaker claims bN edges. Maker wins if her graph contains a Kr-factor, that is a collection of n/r vertex-disjoint copies of Kr, and Breaker wins otherwise. In other words, we consider a b-biased Kr-factor Maker–Breaker game. We show that the threshold bias for this game is of order n2/(r+2). This makes a step towards determining the threshold bias for making bounded-degree spanning graphs and extends a result of Allen et al. who resolved the case r{3,4} up to a logarithmic factor.



中文翻译:

集团因素博弈的阈值偏差

r4 是一个整数,并在完整图上考虑以下游戏 n 为了 nrZ: Maker 和 Breaker 两个玩家轮流占据之前无人认领的边缘 n 使得在每一轮中 Maker 声称一个而 Breaker 声称 N边缘。如果 Maker 的图表包含一个r-factor,这是一个集合 n/r 顶点不相交的副本 r,否则 Breaker 获胜。换句话说,我们考虑 a b -biasedr-factor Maker–Breaker 游戏。我们证明了这个游戏的阈值偏差是有序的n2/(r+2). 这朝着确定用于制作有界度跨越图的阈值偏差迈出了一步,并扩展了 Allen 等人的结果。谁解决了这个案子r{3,4} 直到一个对数因子。

更新日期:2021-10-14
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