Removal of the technical condition for orientability of modules over local systems

Let EnE_n denote the height-nn Morava EE-theory spectrum, and let ρull\rho_{ ull} denote the ρ\rho-localization functor. Write ρull(τot<n(ρull(τot<nEn)))\rho_{ ull}\bigl(\tau_{ ot< n}\bigl(\rho_{ ull}(\tau_{ ot< n}E_n)\bigr)\bigr) for the symmetric monoidal ρull\rho_{ ull}-local category of modules over the category of EnE_n-local modules. Orientability conjecture. The ρull\rho_{ ull}-local category of modules over the category of EnE_n-local modules is (S(p),n+1)(\mathbb{S}_{(p)},n+1)-orientable:

ρull(τn(ρull(τnEn))) is (S(p),n+1)-orientable.\rho_{ ull}\bigl(\tau_{\not< n}\bigl(\rho_{ ull}(\tau_{\not< n}E_n)\bigr)\bigr) \text{ is } (\mathbb{S}_{(p)},n+1)\text{-orientable}.

This is the expected removal of the technical condition on the connective (n+1)(n+1)-finite pp-local spectrum in the preceding categorified orientation result; the source does not provide a resolution.

Sources & referencesView supporting material

Primary source

Tobias Barthel, Shachar Carmeli, Tomer M. Schlank and Lior Yanovski, “The Chromatic Fourier Transform”, arXiv:2210.12822 (2022).

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