On the profinite rigidity of surface groups and surface words
Surface groups are determined among limit groups by their profinite completions. As a corollary, the set of surface words in a free group is closed in the profinite topology.
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Format: | Article |
Language: | English |
Published: |
Académie des sciences
2021-03-01
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Series: | Comptes Rendus. Mathématique |
Online Access: | https://comptes-rendus.academie-sciences.fr/mathematique/articles/10.5802/crmath.121/ |