The non-archimedean globality and reciprocity conjecture for Darmon points

From papers

Let KpK_{\mathfrak p} be the relevant completion, let E/KpE/K_{\mathfrak p} be the elliptic curve, and let HO+H_{\mathcal O}^+ be the narrow ring class field embedded in KpK_{\mathfrak p}. Let PψP_\psi be the local point obtained from the integration pairing and an isogeny β ⁣:Kp×/LE(Kp)\beta\colon K_{\mathfrak p}^\times/L\to E(K_{\mathfrak p}). Let rec ⁣:Pic+(O)Gal(HO+/K)\operatorname{rec}\colon\operatorname{Pic}^+({\mathcal O})\to\operatorname{Gal}(H_{\mathcal O}^+/K) be the reciprocity map.

Non-archimedean Darmon point conjecture. The local point PψP_\psi is rational over HO+H_{\mathcal O}^+, and, for every αPic+(O)\alpha\in\operatorname{Pic}^+({\mathcal O}),

Pαψ=rec(α)(Pψ).P_{\alpha\cdot\psi}=\operatorname{rec}(\alpha)(P_\psi).

This is the non-archimedean mixed-signature generalization of conjectures of Greenberg, Darmon, and Trifković. The asserted globality and reciprocity law are open in the general setting.

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Sources & referencesView supporting material

Primary source

Xavier Guitart, Marc Masdeu and Mehmet Haluk Sengun, “Darmon points on elliptic curves over number fields of arbitrary signature”, arXiv:1404.6650 (2014).

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