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4 votes
3 answers
322 views

Equivariant cohomology of fixed points using the localisation theorem

I am trying to understand the Smith-Thom inequality for spaces equipped with an action by a cyclic group and also the case, when it's an equality: In the following, let $G=\mathbb{Z}/p$, $\mathbb{F}$ ...
0hliva's user avatar
  • 131
3 votes
0 answers
343 views

Localization of the pushforward in equivariant cohomology

I am reading Nekrasov's paper and in page 2 he considers the $G \times T^2$ equivariant cohomology of the (compactified) moduli space $\tilde{M_k}$ of $U(N)$ instantons on $\mathbb{C}^2$. Here $G$ ...
Marion's user avatar
  • 587
4 votes
0 answers
450 views

Localization in equivariant cohomology theory for groups other than ($p$-)tori

Recall the following localization theorem, as stated in Hsiang's Cohomology Theory of Compact Transformation Groups: Theorem. Let $G=(S^1)^k$ be a torus, $X$ a paracompact $G$-space with finite ...
user3158840's user avatar
4 votes
1 answer
907 views

Using and understanding the Atiyah-Bott localization theorem/integration formula

I posted this on r/math, but was told I might have better success here given the level of the question. Basically, I need to learn how to use the localization theorem to compute integrals on ...
PointlessGraph's user avatar