Extension conjecture for locally analytic functions on the bc-ordinary Igusa variety

Let

N:=limUlcvH0(U,ON\PdRan),\mathscr{N}^{\dagger}:=\varinjlim^{\mathrm{lcv}}_U \operatorname{H}^0(U,\mathcal{O}_{N\backslash P^{\operatorname{an}}_{\operatorname{dR}}}),

where the locally convex inductive limit is over open neighborhoods UN\PdRanU\subset N\backslash P^{\operatorname{an}}_{\operatorname{dR}} containing the closure of the image of IgM,η\mathfrak{Ig}_{\mathrm{M},\eta}. The algebra Oγ-la(TpH)\mathcal{O}^{\gamma\operatorname{-la}}(T_pH^{\vee}) acts on O(IgM,η)\mathcal{O}(\mathfrak{Ig}_{\mathrm{M},\eta}). Extension conjecture. This action extends to an action of Oγ-la(TpH)\mathcal{O}^{\gamma\operatorname{-la}}(T_pH^{\vee}) on N\mathscr{N}^{\dagger}. This is proposed as a μ\mu-ordinary generalization of the preceding theorem on the action of locally analytic functions. The supplied text gives no resolution of the conjecture.

Sources & referencesView supporting material

Primary source

Andrew Graham, Pol van Hoften and Sean Howe, “p-adic Maass–Shimura operators on μ-ordinary Igusa varieties”, arXiv:2607.07427 (2026).

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