2 papers
math.GR2025
A piecewise linear homeomorphism of the circle which is periodic under renormalization
James Belk, James Hyde, Justin Tatch Moore
We demonstrate the existence of a piecewise linear homeomorphism of which maps rationals to rationals, whose slopes are powers of , and who…
math.GR2025
Boone-Higman embeddings of and mapping class groups of punctured surfaces
James Belk, Francesco Fournier-Facio, James Hyde +1
We prove that the groups satisfy the Boone-Higman conjecture for all , meaning each embeds in a finitely presented simple group. In fact,…