Coates–Fukaya–Kato–Sujatha–Venjakob finiteness conjecture

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Let KK be a number field, let pp be a prime, let EE be an elliptic curve over KK, and let L/KL/K be a Galois extension with G=Gal⁡(L/K)G=\operatorname{Gal}(L/K) containing a closed normal subgroup HH such that G/H≅ZpG/H\cong {\mathbb Z}_p. Write Λ⁡(G)=Zp[[G]]\operatorname{\Lambda}(G)={\mathbb Z}_p[[G]], let X(E/L)X(E/L) be the Pontryagin dual of the Selmer group, and let X(E/L)(p)X(E/L)(p) be its maximal pp-power-torsion submodule. Coates–Fukaya–Kato–Sujatha–Venjakob conjecture. If EE has ordinary reduction at every prime of KK over pp, then X(E/L)/X(E/L)(p)X(E/L)/X(E/L)(p) is a finitely generated Λ⁡(H)\operatorname{\Lambda}(H)-module. This finiteness condition is the stronger hypothesis used to construct noncommutative algebraic pp-adic LL-functions in the cited formalism. The source states it as conjectural and gives no resolution in the stated generality.

References

Primary source

Tadashi Ochiai and Fabien Trihan, “On the Selmer groups of abelian varieties over function fields of characteristic p>0”, arXiv:0705.2608 (2007).

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