Transactions of the American Mathematical Society, Vol. 365, No. 2 (FEBRUARY 2013), pp. 555-578 (24 pages) We study groups acting by length-preserving transformations on spaces equipped with ...
We recall that a finitely presented group G is properly 3-realizable if for some finite 2-dimensional CW-complex X with π₁(X) ≅ G, the universal cover X̃ has the proper homotopy type of a 3-manifold.