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

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Let

N†:=lim→⁡UlcvH⁡0(U,ON\PdR⁡an⁡),\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 U⊂N\PdR⁡an⁡U\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.

References

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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