English

Undecidability of the stabilizer and zero-in-the-corner problems for matrix groups

Group Theory 2024-03-25 v1 Logic

Abstract

The show that the upper-left-corner problem and upper-right-corner problem for matrix groups with rational entries are undecidable. To reach this aim, we answer a question of Dixon from 1985 by proving the undecidability of the stabilizer problem for matrix groups.

Keywords

Cite

@article{arxiv.2403.14875,
  title  = {Undecidability of the stabilizer and zero-in-the-corner problems for matrix groups},
  author = {Emmanuel Breuillard and Georgi Kocharyan},
  journal= {arXiv preprint arXiv:2403.14875},
  year   = {2024}
}

Comments

10 pages, comments welcome!

R2 v1 2026-06-28T15:29:22.097Z