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Dec
18
awarded  Caucus
Dec
9
comment Are there “interesting” examples of complete finite-volume non-compact Riemannian manifolds that are not non-positively curved?
exactly: the curvature is positive somewhere
Dec
9
asked Are there “interesting” examples of complete finite-volume non-compact Riemannian manifolds that are not non-positively curved?
Oct
15
revised (locally) “almost convex” property of the distance function in a general Riemannian manifold
deleted 18 characters in body
Oct
13
revised (locally) “almost convex” property of the distance function in a general Riemannian manifold
edited title
Oct
13
asked (locally) “almost convex” property of the distance function in a general Riemannian manifold
Sep
18
revised what is wrong with my (too strong to be true) generalization of a Gromov result?
added 77 characters in body
Sep
17
asked what is wrong with my (too strong to be true) generalization of a Gromov result?
Jul
2
awarded  Curious
Jun
10
asked chain homotopy equivalence between mapping cone complexes
Jun
2
accepted homomorphisms between amenable (discrete) groups
Jun
1
revised homomorphisms between amenable (discrete) groups
added 30 characters in body
Jun
1
answered homomorphisms between amenable (discrete) groups
Jun
1
revised homomorphisms between amenable (discrete) groups
added 10 characters in body
May
31
comment homomorphisms between amenable (discrete) groups
I agree.. Moreove, I think that surjectivity is a necessary and sufficient hypothesis. I will think about it a little bit and then write it as an answer!
May
31
revised homomorphisms between amenable (discrete) groups
solved the question in the negative :(!
May
31
revised homomorphisms between amenable (discrete) groups
added 401 characters in body
May
31
asked homomorphisms between amenable (discrete) groups
May
29
revised morphisms of principal bundles with different structure groups
added 409 characters in body
May
29
asked morphisms of principal bundles with different structure groups