S-adelic Mordell–Lang conjecture for hyperbolic affine curves in tori

Let FF be a global field, let XFX_F be a hyperbolic affine curve contained in PF1\mathbf P^1_F, and let j:XFTFj:X_F\rightarrow T_F be a closed immersion into a torus TFT_F. For a finitely generated subgroup GG of TF(F)T_F(F), let GS\overline{G}^{S} denote its topological closure in TF(AFS)T_F(\mathbb A_F^S). S-adelic Mordell–Lang conjecture. There is a finite subscheme ZXZ\subset X such that

X(AFS)GSZ(AFS).X(\mathbb A_F^S)\cap\overline{G}^{S}\subseteq Z(\mathbb A_F^S).

This is an adelic analogue of the Mordell–Lang principle for tori, formulated in the spirit of a question of Stoll. The supplied text presents it as a conjecture and does not state that it has been resolved in this generality.

Sources & referencesView supporting material

Primary source

Qing Liu and Fei Xu, “Very strong approximation for certain algebraic varieties”, arXiv:1405.1988 (2014).

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