Generalised André-Pink-Zannier conjecture

Let Γ\X+\Gamma\backslash X^+ be a Shimura variety, let VV be an algebraic subvariety of it, and let xX+x\in X^+. Write HΓ\X+(x){\mathcal{H}}_{\Gamma\backslash X^+}(x) for the generalised Hecke orbit of xx. Generalised André-Pink-Zannier conjecture. The Zariski closure of VHΓ\X+(x)V\cap {\mathcal{H}}_{\Gamma\backslash X^+}(x) is a finite union of weakly special subvarieties of Γ\X+\Gamma\backslash X^+. This is a common generalisation of André–Oort- and André–Pink–Zannier-type statements; its status is not resolved in the source.

Sources & referencesView supporting material

Primary source

Rodolphe Richard and Andrei Yafaev, “A Common Generalisation of the André-Oort and André-Pink-Zannier Conjectures”, arXiv:2401.03528 (2024).

Additional references

2 papers in this index state this conjecture (2021–2024). The statement above is taken from the most recent of them; the others are arXiv:2109.13718.

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