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Let $G$ be a finitely generated group and let $H$ be a subgroup of $G$. $H$ is a codimension-1 subgroup of $G$ if $C_{G}/H$ has more than one end, where $C_{G}$ is the Cayley graph of $G$.

Let $G$ and $H$ be finitely presented groups such that $H$ is a codimension-1 subgroup of $G$. Then do there exist manifolds of finite dimension $M_{G}$ and $N_{H}$ whose fundamental groups are $G$ and $H$ respectively such that $N_{H}$ is a codimension-1 submanifold of $M_{G}$?

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    $\begingroup$ Hi Anton, what is a codimension 1 subgroup? $\endgroup$
    – abx
    Commented Aug 22, 2018 at 6:59
  • $\begingroup$ I'm very familiar with laminations and curves on surfaces. $\endgroup$
    – Anton
    Commented Aug 22, 2018 at 13:29
  • $\begingroup$ My bad Anton, I totally misread the question(some quantifiers where switched in my head). $\endgroup$
    – user35370
    Commented Aug 23, 2018 at 1:57

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