Formality of cochains on BG$BG$
Formality of cochains on BG$BG$
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DOI:
10.1112/blms.12777
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发表时间:
2022-12
影响因子:
0.9
通讯作者:
D. Benson;J. Greenlees
中科院分区:
文献类型:
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作者:
D. Benson;J. Greenlees
Let G$G$ be a compact Lie group with maximal torus T$T$ . If |NG(T)/T|$|N_G(T)/T|$ is invertible in the field k$\mathsf {k}$ , then the algebra of cochains C∗(BG;k)$C^*(BG;\mathsf {k})$ is formal as an A∞$A_\infty$ algebra, or equivalently as a differential graded algebra.