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math.GT2004
Infra-Solvmanifolds and Rigidity of Subgroups in Solvable Linear Algebraic Groups
Oliver Baues
We give a new proof that compact infra-solvmanifolds with isomorphic fundamental groups are smoothly diffeomorphic. More generally, we prove rigidity results for manifolds which ar…
math.DG2004
Is the deformation space of complete affine structures on the 2-torus smooth?
Oliver Baues, William M. Goldman
Periods of parallel exterior forms define natural coordinates on the deformation space of complete affine structures on the two-torus. These coordinates define a differentiable str…