English

The period-index problem for complex tori

Algebraic Geometry 2023-01-24 v1

Abstract

We solve the period-index problem for the Brauer group of a general complex torus of dimension at least three, giving an explicit formula for the index of each Brauer class. As a consequence, the complex-analytic version of the period-index conjecture is false for infinitely many Brauer classes on a general complex torus of dimension at least three.

Cite

@article{arxiv.2301.09293,
  title  = {The period-index problem for complex tori},
  author = {James Hotchkiss},
  journal= {arXiv preprint arXiv:2301.09293},
  year   = {2023}
}

Comments

8 pages, comments welcome

R2 v1 2026-06-28T08:17:34.604Z