Generic Denis–Mordell–Lang conjecture for q-varieties and Drinfeld modules

Let (F,Φ)(F,\Phi) be an AA-module and let HotiFH ot i F be a sufficiently generic qq-variety, meaning that its maximal irreducible AA-submodule is 0{0}. For a finitely generated AA-submodule Γ\Gamma of FF, define its division hull by

Γ=xotiFoti such that aot=0otiA with Φa(x)otiΓ.\overline{\Gamma}={x ot i F ot i\text{ such that }\exists a ot=0 ot i A\text{ with }\Phi_a(x) ot i\Gamma}.

Generic Denis–Mordell–Lang conjecture.

HotiΓ is finite.H ot i\overline{\Gamma}\text{ is finite}.

This is the sufficiently generic reformulation of the Mordell–Lang analogue. Its resolution status is not specified.

Sources & referencesView supporting material

Primary source

Alain Thiéry, “q-Varieties and Drinfeld Modules”, arXiv:1409.5281 (2014).

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