Local divisibility conjecture for Albanese kernels over number fields

Let XX be a smooth projective geometrically connected variety over a number field KK with a KK-rational point. For a finite place vv of KK, let

Xv:=X×KKvX_v:=X\times_K K_v

be the base change to the completion KvK_v, and suppose that the Albanese kernel decomposes as

T(Xv)=DvFv,T(X_v)=D_v\oplus F_v,

where DvD_v is divisible and FvF_v is finite. The local divisibility conjecture. The group T(Xv)T(X_v) is divisible for almost all finite places vv of KK, equivalently Fv=0F_v=0 for almost all such places.

This is proposed as a weaker compatibility between the local and global pictures than the Bloch--Beilinson expectation that the global Albanese kernel is finite. The supplied text does not indicate whether the conjecture has been resolved.

Sources & referencesView supporting material

Primary source

Evangelia Gazaki and Isabel Leal, “Zero-cycles on a product of elliptic curves over a p-adic field”, arXiv:1802.03823 (2021).

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