The relative norm–induction comparison for equivariant commutative ring spectra

From papers

Let GG be a compact Lie group, let H<GH<G be a closed subgroup, and let RR be a cofibrant HH-equivariant commutative ring orthogonal spectrum in the UHU_H-universe model structure. Relative norm–induction conjecture. There is a natural UU-universe weak equivalence

NHGRRHG,N_H^G R\simeq R\otimes_H G,

where ()HG(-)\otimes_HG is left adjoint to the point-set forgetful functor from GG-equivariant commutative ring orthogonal spectra to HH-equivariant commutative ring orthogonal spectra. This predicts that the relative norm agrees with the algebraic induction functor after deriving the constructions on cofibrant inputs.

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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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