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16.65 (2006)

Solved

Does there exist a finitely presented residually torsion-free nilpotent group with a free presentation $G = F/R$ such that the group $F/[F, R]$ is not residually nilpotent?

Contributor: R. Mikhailov, I. B. S. Passi

Progress

Yes, there does (V. V. Bludov, J. Group Theory, 12, no. 4 (2009), 579–590).

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