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arXiv math/9505212math.LO
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关于偏序的博弈

A game on partial orderings

Sakaé Fuchino, Sabine Koppelberg, Saharon Shelah

摘要:

本文研究了文献[FKSh:549]中引入的对策G_kappa(A)对不可数正则kappa和几类偏序A的决定性.在树或布尔代数中,我们总能找到一个A使得G_kappa(A)是待定的。对于线性序类,这样的A的存在依赖于kappa^{< kappa}的大小。特别地,我们得到了kappa^{< kappa}= kappa的一个特征,它是关于线性序L的博弈G_kappa(L)的决定性的.

英文摘要:

We study the determinacy of the game G_kappa (A) introduced in [FKSh:549] for uncountable regular kappa and several classes of partial orderings A. Among trees or Boolean algebras, we can always find an A such that G_kappa (A) is undetermined. For the class of linear orders, the existence of such A depends on the size of kappa^{< kappa}. In particular we obtain a characterization of kappa^{< kappa}= kappa in terms of determinacy of the game G_kappa (L) for linear orders L .

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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