Commuting matrices and Atiyah's real K‐theory

Commuting matrices and Atiyah's real K‐theory
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通勤矩阵和 Atiyah 的真实 K 理论

DOI:
10.1112/topo.12104
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发表时间:
2018
影响因子:
1.1
通讯作者:
M. Hausmann
M. Hausmann
中科院分区:
数学1区
文献类型:
--
作者:
Simon Gritschacher;M. Hausmann

文献摘要

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我们用真实的K-理论描述了稳定酉群中交换n元组空间的C2-等变同伦类型。这个结果被用来给出稳定正交群中可交换n元组空间的同伦群以及可交换正交K理论的系数环的完整计算。
We describe the C2 ‐equivariant homotopy type of the space of commuting n ‐tuples in the stable unitary group in terms of Real K‐theory. The result is used to give a complete calculation of the homotopy groups of the space of commuting n ‐tuples in the stable orthogonal group, as well as of the coefficient ring for commutative orthogonal K‐theory.