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The topological period–index problem over 8‐complexes, I
Journal of Topology ( IF 1.1 ) Pub Date : 2019-07-03 , DOI: 10.1112/topo.12119
Xing Gu 1
Affiliation  

We study the Postnikov tower of the classifying space of a compact Lie group P ( n , m n ) , which gives obstructions to lifting a topological Brauer class of period n to a P U m n ‐torsor, where the base space is a CW complex of dimension 8 . Combined with the study of a twisted version of Atiyah–Hirzebruch spectral sequence, this solves the topological period–index problem for CW complexes of dimension 8.

中文翻译:

八络合物上的拓扑周期指数问题,I

我们研究一个紧凑李群的分类空间的Postnikov塔 P ñ ñ ,这给解除拓扑Brauer类周期提供了障碍 ñ P ü ñ -torsor,其中基础空间是维的CW复数 8 。结合对Atiyah–Hirzebruch光谱序列的扭曲形式的研究,可以解决8维CW配合物的拓扑周期指数问题。
更新日期:2019-07-03
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