Geometric fixed points of norms via the normalizer

From papers

Let GG be a compact Lie group, let K<GK<G be finite, and let NN be the normalizer of KK in GG. Let XX be an input for the norm NeGN_e^G. Normalizer geometric fixed-point conjecture. There is a natural non-equivariant weak equivalence

(NeGX)ΦKN\GK\N×Te(N\G)X.(N_e^G X)^{\Phi K}\simeq \int_{N\backslash G}\int_{K\backslash N\times T_e(N\backslash G)}X.

This is the proposed replacement for factorization homology over K\GK\backslash G when that quotient is not parallelizable; the normalizer decomposition supplies the required framed pieces.

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Sources & referencesView supporting material

Primary source

Andrew J. Blumberg, Michael A. Hill and Michael A. Mandell, “Norms for compact Lie groups in equivariant stable homotopy theory”, arXiv:2212.11404 (2022).

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