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Hall's Theorem for limit groups
Henry Wilton
A celebrated theorem of Marshall Hall Jr. implies that finitely generated free groups are subgroup separable and that all of their finitely generated subgroups are retracts of fini…
math.GR2006
Solutions to Bestvina & Feighn's Exercises on Limit Groups
Henry Wilton
This article gives solutions to the exercises in Bestvina and Feighn's paper on Sela's work on limit groups. We prove that all constructible limit groups are limit groups and give…