Co-finite type abelian groups – mathoverflow.net

Co-finite type abelian groups – mathoverflow.net

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Suppose $B$ is an abelian group such that for every integer $n\ge 1$, the $n$-torsion subgroup $B[n]$ is finite. Let $B_{\rm tor} = \varinjlim_{n\ge 1} B[n]$ be the torsion subgroup of $B$. Is it ...

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