2 papers
math.GR2022
Positive cones and bi-orderings on almost-direct products of free groups
Oscar Ocampo, Juliana Roberta Theodoro de Lima
Almost-direct products of free groups arise naturally in braid theory and in the study of automorphism groups of free groups. Although bi-invariant orderings are known to exist for…
math.GT2022
An exact sequence for generalized string links over surfaces
Juliana Roberta Theodoro de Lima
In this work we extend Goldberg result \cite{Goldberg} for generalized string links over closed, connected and orientable surfaces of genus , i.e., different from the sph…