Explicit homotheties of \(\ell\)-adic representations. (Homothéties explicites des représentations \(\ell\)-adiques.) (French. English summary) Zbl 07750332
Summary: This article presents and specifies the main known results on the size of the subgroup of homotheties of \(\ell\)-adic representations associated with the torsion of an abelian variety. Such estimates notably make it possible to give explicit uniform bounds in the framework of the Manin-Mumford problem.
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