English

Countable imaginary simple unidimensional theories

Logic 2009-09-29 v2

Abstract

We prove that a countable simple unidimensional theory that eliminates hyperimaginaries is supersimple. This solves a problem of Shelah in the more general context of simple theories under weak assumptions.

Cite

@article{arxiv.0909.4946,
  title  = {Countable imaginary simple unidimensional theories},
  author = {Ziv Shami},
  journal= {arXiv preprint arXiv:0909.4946},
  year   = {2009}
}
R2 v1 2026-06-21T13:51:06.820Z