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1. CMB 2011 (vol 56 pp. 424)
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Convergent Sequences in Discrete Groups We prove that a finitely generated group contains a
sequence of non-trivial elements that converge to the identity in
every compact homomorphic image if and only if the group is not
virtually abelian. As a consequence of the methods used, we show that a finitely generated
group satisfies Chu duality if and only if it is virtually abelian.
Keywords:Chu duality, Bohr topology Category:54H11 |