Skip to main content
2 of 2
replaced http://front.math.ucdavis.edu/ with https://arxiv.org/abs/

This appears to be an open question: see Remark 5.23 of Sapir's paper, which attributes this as a question to Denis Osin.

Ian Agol
  • 68.9k
  • 3
  • 194
  • 358