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    • Nonhyperbolic free-by-cyclic and one-relator groups 

      Button, Jack; Kropholler, RP (New York Journal of Mathematics, 2016-08-01)
      We show that the free-by-cyclic groups of the form $F_2$ $\rtimes$ $\Bbb Z$ act properly cocompactly on CAT(0) square complexes. We also show using generalized Baumslag–Solitar groups that all known groups defined by a ...