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Stationary and closed rainbow subsets
Annals of Pure and Applied Logic ( IF 0.8 ) Pub Date : 2020-09-23 , DOI: 10.1016/j.apal.2020.102887 Shimon Garti , Jing Zhang
中文翻译:
固定和封闭彩虹子集
更新日期:2020-09-28
Annals of Pure and Applied Logic ( IF 0.8 ) Pub Date : 2020-09-23 , DOI: 10.1016/j.apal.2020.102887 Shimon Garti , Jing Zhang
We study the structural rainbow Ramsey theory at uncountable cardinals. Compared to the usual rainbow Ramsey theory, the variation focuses on finding a rainbow subset that not only is of a certain cardinality but also satisfies certain structural constraints, such as being stationary or closed in its supremum. In the process of dealing with cardinals greater than , we uncover some connections between versions of Chang's Conjectures and instances of rainbow Ramsey partition relations, addressing a question raised in [18].
中文翻译:
固定和封闭彩虹子集
我们在无数基数上研究结构彩虹Ramsey理论。与通常的Rainbow Ramsey理论相比,该变化集中在寻找不仅具有特定基数而且还满足某些结构性约束(例如在其上端处于静止或闭合)的Rainbow子集。在处理红衣主教大于,我们发现了Chang的猜想版本与Rainbow Ramsey分区关系实例之间的一些联系,从而解决了[18]中提出的问题。