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Watkins’s conjecture for quadratic twists of Elliptic Curves with Prime Power Conductor

Year: 2025
Type: article
Abstract: Watkins’s conjecture asserts that the rank of an elliptic curve is upper bounded by the 2 -adic valuation of its modular degree. We show that this conjecture is satisfied when E is any quadratic twist of an elliptic curve with a rational point of order 2 and prime power conductor, in particular, for the congruent number elliptic curves. Furthermore, we give a lower bound for the congruence number for elliptic curves of the form y 2 = x 3 - d x , with d a fourth power free integer.
Author: Jerson Caro
Institution: Boston University
Language: English
Open Access status: diamond
OpenAlex ID: W4414358001
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Cites: 28
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