Conjecture on the natural morphism for derived ordinary parts

Let I,JΔI,J\subseteq\Delta, let σ\sigma be a locally admissible smooth representation of LIL_I over AA, let IwJIWJ{}^Iw^J\in{}^IW^J, and let nNn\in\mathbb{N}. Let dIwJd_{{}^Iw^J} and δIwJ\delta_{{}^Iw^J} be the integer and algebraic character associated with IwJ{}^Iw^J. Derived ordinary-parts morphism conjecture. The natural LJL_J-equivariant morphism

IndLJPJIwJ1(I)LJ((Hn[F:Qp]dIwJOrdLIPIIwJ(J)σ)IwJ(ω1δIwJ))HnOrdPJ(c-indPIPIIwJPJσ)\operatorname{Ind}_{L_J\cap P_{J\cap{}^Iw^J{}^{-1}(I)}^-}^{L_J}\left(\left(\mathrm{H}^{n-[F:\mathbb{Q}_p]d_{{}^Iw^J}}\operatorname{Ord}_{L_I\cap P_{I\cap{}^Iw^J(J)}}\sigma\right)^{{}^Iw^J}\otimes\left(\omega^{-1}\circ\delta_{{}^Iw^J}\right)\right)\longrightarrow\mathrm{H}^{n}\operatorname{Ord}_{P_J}\left(\operatorname{c-ind}_{P_I^-}^{P_I^-{}^Iw^JP_J}\sigma\right)

is an isomorphism. This is the strengthened cellwise assertion underlying the computation of derived ordinary parts: it promotes the naturally constructed morphism from an injection on a graded piece to an isomorphism after parabolic induction. The source supplies no evidence resolving the conjecture.

Sources & referencesView supporting material

Primary source

Julien Hauseux, “Parabolic induction and extensions”, arXiv:1607.02031 (2017).

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