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Browsing Revista Colombiana de Matemáticas by Author "Ocampo Uribe, Oscar Eduardo"
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Commensurator subgroups of surface groups
Let $M$ be a surface, and let $H$ be a subgroup of $\pi_{1}M$. In this paper we study the commensurator subgroup $C_{\pi_{1}M}(H)$ of $\pi_{1}M$, and we extend a result of L. Paris and D. Rolfsen \cite{Paris-Rolfsen}, when ...Universidad Nacional de Colombia Revistas electrónicas UN Revista Colombiana de Matemáticas.
