Hachimori–Lim rank-growth conjecture for elliptic curves over imaginary quadratic fields

Let EE be an elliptic curve over an imaginary quadratic field FF satisfying the conditions stated in the source, and let F(n)F^{(n)} and FcycF_{\operatorname{cyc}} denote the corresponding layers and cyclotomic extension. Hachimori–Lim's rank-growth conjecture. The conjecture asserts that

rankE(F(n))rankE(Fcyc)pn.\operatorname{rank} E(F^{(n)})\leq \operatorname{rank} E(F_{\operatorname{cyc}})p^n.

This is identified in the source as a special case of a conjecture of Hachimori and Lim. The supplied passage does not state whether the conjecture has been resolved.

Sources & referencesView supporting material

Primary source

Anwesh Ray, “Asymptotic growth of Mordell-Weil ranks of elliptic curves in noncommutative towers”, arXiv:2109.07457 (2022).

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