English

Tate-Shafarevich groups and K3 surfaces

Number Theory 2007-11-29 v1 Algebraic Geometry

Abstract

Following (and elaborating on) a method of Logan and van Luijk, we exhibit explicit genus-2 curves whose Jacobians have nontrivial 2-torsion in their Tate-Shafarevich groups.

Keywords

Cite

@article{arxiv.0711.4436,
  title  = {Tate-Shafarevich groups and K3 surfaces},
  author = {Patrick Corn},
  journal= {arXiv preprint arXiv:0711.4436},
  year   = {2007}
}

Comments

17 pages, comments welcome

R2 v1 2026-06-21T09:48:06.394Z