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math.GT2012★ 4 cited
On manifolds with nonhomogeneous factors
M. Cárdenas, F. F. Lasheras, A. Quintero +1
We present simple examples of finite-dimensional connected homogeneous spaces (they are actually topological manifolds) with nonhomogeneous and nonrigid factors. In particular, we…
math.GT2009
One-relator groups and proper 3-realizability
M. Cárdenas, F. F. Lasheras, A. Quintero +1
How different is the universal cover of a given finite 2-complex from a 3-manifold (from the proper homotopy viewpoint)? Regarding this question, we recall that a finitely presente…