English

Relatively projective pro-$p$ groups

Group Theory 2022-08-30 v1 Number Theory

Abstract

It is known that the Kurosh Subgroup Theorem does not hold for pro-pp groups of big cardinality. However, a subgroup GG of a free pro-pp product is projective relative to the Kurosh family of subgroups. In this paper we prove the converse of this fact.

Cite

@article{arxiv.2208.12982,
  title  = {Relatively projective pro-$p$ groups},
  author = {Dan Haran and Pavel A. Zalesskii},
  journal= {arXiv preprint arXiv:2208.12982},
  year   = {2022}
}
R2 v1 2026-06-25T02:01:31.356Z