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The hitting time of clique factors
Random Structures and Algorithms ( IF 1 ) Pub Date : 2024-03-28 , DOI: 10.1002/rsa.21218 Annika Heckel 1 , Marc Kaufmann 2 , Noela Müller 3 , Matija Pasch 4
Random Structures and Algorithms ( IF 1 ) Pub Date : 2024-03-28 , DOI: 10.1002/rsa.21218 Annika Heckel 1 , Marc Kaufmann 2 , Noela Müller 3 , Matija Pasch 4
Affiliation
In [Trans. Am. Math. Soc. 375 (2022), no. 1, 627–668], Kahn gave the strongest possible, affirmative, answer to Shamir's problem, which had been open since the late 1970s: Let and let be divisible by . Then, in the random -uniform hypergraph process on vertices, as soon as the last isolated vertex disappears, a perfect matching emerges. In the present work, we prove the analogue of this result for clique factors in the random graph process: at the time that the last vertex joins a copy of the complete graph , the random graph process contains a -factor. Our proof draws on a novel sequence of couplings which embeds the random hypergraph process into the cliques of the random graph process. An analogous result is proved for clique factors in the -uniform hypergraph process ( ).
中文翻译:
派系因素的打击时间
在[翻译。是。数学。苏克。 375(2022),没有。 1, 627–668],卡恩对自 20 世纪 70 年代末以来一直开放的沙米尔问题给出了最强烈、肯定的答案:让 然后让 可以被整除 。然后,在随机 -统一超图过程 顶点,一旦最后一个孤立顶点消失,就会出现完美匹配。在目前的工作中,我们证明了随机图过程中派系因子的结果的类似物:在最后一个顶点加入完整图的副本时 ,随机图过程包含 -因素。我们的证明利用了一种新颖的耦合序列,它将随机超图过程嵌入到随机图过程的派系中。对于派系因素,也证明了类似的结果 - 统一超图过程( )。
更新日期:2024-03-28
中文翻译:
派系因素的打击时间
在[翻译。是。数学。苏克。 375(2022),没有。 1, 627–668],卡恩对自 20 世纪 70 年代末以来一直开放的沙米尔问题给出了最强烈、肯定的答案:让