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Equivariant formality of isotropic torus...
Carlson, Jeffrey D....
Equivariant formality of isotropic torus actions by Carlson, Jeffrey D. ( Author )
Australian National University
06-09-2023
Considering the potential equivariant formality of the left action of a connected Lie group $K$ on the homogeneous space $G/K$, we arrive through a sequence of reductions at the case $G$ is compact and simply-connected and $K$ is a torus. We then classify all pairs $(G,S)$ such that $G$ is compact connected Lie and the embedded circular subgroup $S$ acts equivariantly formally on $G/S$. In the process we provide what seems to be the first published proof of the structure (known to Leray and Koszul) of the cohomology rings $H^*(G/S;\mathbb Q)$.
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Article
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29.34 KB
English
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MYR 0.01
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http://arxiv.org/abs/1410.5740
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