Unlikely Intersection Conjecture for semiabelian varieties

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Let GG be a semiabelian variety defined over Q‾\overline{\mathbb{Q}} and let X⊆GX\subseteq G be an algebraic subvariety. For an algebraic subgroup H⊆GH\subseteq G, write G[dim⁡(X)+1]G^{[\dim(X)+1]} for the union of all such subgroups with codim⁡G(H)≥dim⁡(X)+1\operatorname{codim}_G(H)\geq \dim(X)+1. Unlikely Intersection Conjecture. If XX is not contained in a proper algebraic subgroup of GG, then X∩G[dim⁡(X)+1]X\cap G^{[\dim(X)+1]} is not Zariski-dense in XX. This is an unlikely-intersection statement for semiabelian varieties, predicted by conjectures of Pink and Zilber; its resolution status is not specified in the source.

References

Primary source

Fabrizio Barroero, Lars Kühne and Harry Schmidt, “Unlikely Intersections of Curves with Algebraic Subgroups in Semiabelian Varieties”, arXiv:2108.12405 (2022).

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