Counterexamples to the local-global divisibility over elliptic curves
Number Theory
2017-05-05 v1
Abstract
Let be a prime number. We find all the possible subgroups of such that there exists a number field and an elliptic curve defined over such that the -module is isomorphic to the -module and there exists such that the local-global divisibility by does not hold over .
Keywords
Cite
@article{arxiv.1705.01880,
title = {Counterexamples to the local-global divisibility over elliptic curves},
author = {Gabriele Ranieri},
journal= {arXiv preprint arXiv:1705.01880},
year = {2017}
}
Comments
20 pages