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    • On commuting elements of groups acting on trees 

      Mahmud, Rasheed M.S.
      In this paper we extend the problem of commutativity of free products of groups with amalgamation (i.e. given two elements f and g of a group which commute, what can be said about them?) to groups acting on trees in which ...
      Universidad Nacional de Colombia Revistas electrónicas UN Revista Colombiana de Matemáticas.