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arXiv 0910.0617math.AT
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高实K-理论与拓扑自守形式

Higher real K-theories and topological automorphic forms

Mark Behrens, Michael J. Hopkins

摘要:

给定第n个Morava稳定群的极大有限子群G在素数p处,我们讨论了这样一个问题:相关的高实K-理论EO_n是U(1,n-1)型酉相似群的TAF-谱的K(n)-局部化的和项吗?对于{2,3,5,7}中的p和n =(p-1)p^{r-1},对于包含p^r阶元素的极大有限子群,我们肯定地回答这个问题。我们对所有其他奇初等情形的回答都是否定的。在所有奇初等情形下,给出了群G酉嵌入的具有对合的整体除代数的一个显式表示。

英文摘要:

Given a maximal finite subgroup G of the nth Morava stabilizer group at a prime p, we address the question: is the associated higher real K-theory EO_n a summand of the K(n)-localization of a TAF-spectrum associated to a unitary similitude group of type U(1,n-1)? We answer this question in the affirmative for p in {2, 3, 5, 7} and n = (p-1)p^{r-1} for a maximal finite subgroup containing an element of order p^r. We answer the question in the negative for all other odd primary cases. In all odd primary cases, we to give an explicit presentation of a global division algebra with involution in which the group G embeds unitarily.

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