Comparison conjecture for analytic Lubin–Tate (φL,ΓL)(\varphi_L,\Gamma_L)-modules

Let LL be a finite extension of Qp\mathbb{Q}_p, let KK be a coefficient field containing LL, and let VV be an LL-analytic oLo_L-linear representation of GLG_L. Let MM be the completed base change to KK of the (φL,ΓL)(\varphi_L,\Gamma_L)-module over RL\mathcal{R}_L attached to VV, let D(V)\mathbb{D}^{\dagger}(V) denote its overconvergent module, and put Λ=oLΓL\Lambda=o_L\llbracket\Gamma_L\rrbracket. The operator ψLT\psi_{\mathrm{LT}} is the Lubin–Tate left inverse of φL\varphi_L. Comparison conjecture. The natural map

D(ΓL,K)ΛD(V)ψLT=1MψLT=1D(\Gamma_L,K)\otimes_{\Lambda}\mathbb{D}^{\dagger}(V)^{\psi_{\mathrm{LT}}=1}\to M^{\psi_{\mathrm{LT}}=1}

is surjective. This predicts that the ψLT=1\psi_{\mathrm{LT}}=1 vectors in the analytic (φL,ΓL)(\varphi_L,\Gamma_L)-module are generated after distribution-algebra base change from the overconvergent ones; the source provides no resolution, so the conjecture remains open.

Sources & referencesView supporting material

Primary source

Rustam Steingart, “Iwasawa cohomology of analytic (φ_L,Γ_L)-modules”, arXiv:2212.02275 (2024).

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