2 papers
math.GR2021
Regular left-orders on groups
Yago Antolín, Cristóbal Rivas, Hang Lu Su
A regular left-order on finitely generated group is a total, left-multiplication invariant order on whose corresponding positive cone is the image of a regular language ove…
math.GR2019
Formal language convexity in left-orderable groups
Hang Lu Su
We propose a criterion for preserving the regularity of a formal language representation when passing from groups to subgroups. We use this criterion to show that the regularity of…