Factorization-homology iteration for equivariant norms

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Let GG be a compact Lie group, let K<H<GK<H<G, and let XX be a KK-equivariant little TeK(G/K)T_{eK}(G/K)-disk algebra. Let D(TeH(G/H))D(T_{eH}(G/H)) be the open unit disk and let ii^* denote the functor modeling the homotopical forgetful functor associated to the tangent-space decomposition. Factorization-homology iteration conjecture. There is a natural zigzag of HH-equivariant homotopy equivalences

Bˉ(H/K×D(TeH(G/H));X)B(H/K,iX).\bar B(H/K\times D(T_{eH}(G/H));X)\simeq B(H/K,i^*X).

This comparison is intended to resolve the mismatch between the disk-algebra structures needed for NKGN_K^G and NKHN_K^H, enabling an iterated description of relative norms.

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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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