David–Philippon's height lower-bound conjecture for subvarieties of abelian varieties

From papers

Let AA be an abelian variety defined over a number field kk, equipped with an ample symmetric line bundle LL. Let VV be a proper kk-irreducible subvariety of AA that is not a union of torsion subvarieties. Let ss be the dimension of the smallest algebraic subgroup containing VV, and let h^L(V)\widehat{h}_L(V) and degL(V)\deg_L(V) denote respectively the normalized height and the degree of VV with respect to LL.

David–Philippon's conjecture. There is a constant c(A,L)c(A,L) depending only on AA and LL such that

h^L(V)degL(V)c(A,L)degL(V)1sdimV.\frac{\widehat{h}_{L}(V)}{\deg_L(V)}\geq c(A,L)\deg_L(V)^{-\frac{1}{s-\dim V}}.

This is a lower-bound conjecture for the normalized heights of non-torsion subvarieties of abelian varieties, generalizing the problem posed by David and Philippon and relating to the Bogomolov and Lehmer problems. Its resolution is not specified in the source.

Progress summary

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Sources & referencesView supporting material

Primary source

Nicolas Ratazzi, “Densité de points et minoration de hauteur”, arXiv:math/0304046 (2004).

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