The folklore conjecture on simultaneous rank-zero twists and Tate–Shafarevich orders
The folklore conjecture on simultaneous rank-zero twists and Tate–Shafarevich orders
For positive integers and , consider elliptic curves over the rationals and, for a prime , their -twists. Folklore conjecture. For any positive integers and , there are pairwise non-isogenous elliptic curves defined over the rationals such that the Mordell–Weil group of the -twist of each has rank zero for a positive proportion of primes , and
for all . This optimistic conjecture asks for arbitrarily large collections of pairwise non-isogenous curves with simultaneous positive-proportion rank-zero prime twists and prescribed square Tate–Shafarevich order; no resolution is given.
Sources & referencesView supporting material
Primary source
Andrzej Dąbrowski and Lucjan Szymaszkiewicz, “Behaviour of the order of Tate-Shafarevich groups for the quadratic twists of elliptic curves”, arXiv:1611.07840 (2016).
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