Rémond's Bogomolov property conjecture for radical extensions
Rémond's Bogomolov property conjecture for radical extensions
Let be a number field, and let be a subgroup of finite rank. Write for its divisible hull, consisting of the elements whose some positive integral power lies in . For a subset of , say that has the Bogomolov property if its elements outside the roots of unity have Weil height bounded below by a positive constant. Rémond's conjecture. The set
has the Bogomolov property. This conjecture places earlier results on small points in radical extensions in a broader framework; the source states that it is a special case of Rémond's Conjecture 3.4, and notes that related partial results were known. The stated case was recently proved by S. Checcoli and G. Dill, so its status is solved.
Sources & referencesView supporting material
Primary source
Andrea Conti, Ilaria Del Corso, Arnaud Plessis and Lea Terracini, “Small points in radical extensions of number fields”, arXiv:2607.29208 (2026).
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