Bogomolov property conjecture from bounded local degree

From papers

Let KK be a number field, let vv be a finite place of KK, and let L/KL/K be an algebraic extension. For an extension ww of vv to LL, write LwL_w for the corresponding completion and define the local degree

dv(L)=supw[Lw:Kv].d_v(L)=\sup_w [L_w:K_v].

Let AA be an abelian variety over KK, let L\mathcal{L} be a symmetric ample line bundle on A/KA/K, and let AtorsA_{\mathrm{tors}} denote its torsion subgroup. Bounded-local-degree conjecture. If dv(L)d_v(L) is finite for at least one finite place vv of KK, then L(Ators)L(A_{\mathrm{tors}}) and A(L(Ators))A(L(A_{\mathrm{tors}})) have property (B)(B), meaning that the relevant non-torsion points have positive canonical height bounded away from zero. This conjecture would encompass the two preceding theorems in the paper and proposes bounded local degree at a single finite place as a sufficient condition for the Bogomolov property; the source gives no evidence of a resolution.

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Sources & referencesView supporting material

Primary source

Arnaud Plessis, “Bogomolov Property of some infinite nonabelian extensions of a totally v-adic field”, arXiv:2103.07270 (2023).

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