The adelic Lehmer conjecture for hypersurface heights

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Let VV be a hypersurface in Gmn\mathbb{G}_m^n defined over Q(T1,…,Td)\mathbb{Q}(T_1,\ldots,T_d), and let h^S(V)\widehat{h}_S(V) denote its normalized height. Suppose that VV is not a union of torsion subvarieties.

Adelic hypersurface Lehmer conjecture. There exists a positive constant c(n)c(n), depending only on nn, such that

h^S(V)≥c(n).\widehat{h}_S(V)\geq c(n).

This is the hypersurface analogue of the adelic Lehmer problem: it predicts a uniform positive lower bound for normalized heights away from torsion geometry. The source proposes it as a conjecture for future investigation, with no resolution stated.

References

Primary source

Mounir Hajli, “Toward a generalization of Lehmer's problem to adelic curves”, arXiv:2405.15572 (2025).

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