User contributions
- 08:24, 10 January 2019 (diff | hist) Talk:Borel Conjecture for the 2-torus (Ex) (top)
- 08:07, 10 January 2019 (diff | hist) Talk:Normal maps - (non)-examples (Ex) (solution looks fine, no more need for my suggestions)
- 06:51, 10 January 2019 (diff | hist) Talk:Borel Conjecture for the 2-torus (Ex)
- 06:14, 10 January 2019 (diff | hist) Talk:Simple closed curves in surfaces (Ex) (top)
- 05:54, 10 January 2019 (diff | hist) Talk:L2-Betti numbers for the universal covering of the circle (Ex) (top)
- 05:37, 10 January 2019 (diff | hist) N Talk:L2-Betti numbers for the universal covering of the circle (Ex) (Created page with "<wikitex>; I don't feel comfortable writing the solution here since I have seen $L^2$ before. But if you are stuck, here are possible suggestions, each an independent way to s...")
- 05:19, 10 January 2019 (diff | hist) m L2-Betti numbers for the universal covering of the circle (Ex) (typo) (top)
- 02:02, 10 January 2019 (diff | hist) Talk:Normal maps - (non)-examples (Ex)
- 22:31, 9 January 2019 (diff | hist) Talk:Circle actions on 3-manifolds (Ex) (top)
- 07:26, 9 January 2019 (diff | hist) Talk:Normal maps - (non)-examples (Ex)
- 07:19, 9 January 2019 (diff | hist) Talk:Circle actions on 3-manifolds (Ex)
- 07:16, 9 January 2019 (diff | hist) N Talk:Circle actions on 3-manifolds (Ex) (Created page with "<wikitex>; Insight: Try to quotient the manifold by the action. Note that you get something that looks kind of reasonable but isn't a manifold. Guess: The isotropy groups mus...")
- 06:56, 9 January 2019 (diff | hist) Talk:Borel Conjecture for the 2-torus (Ex)
- 06:56, 9 January 2019 (diff | hist) Talk:Borel Conjecture for the 2-torus (Ex)
- 06:48, 9 January 2019 (diff | hist) N Talk:Borel Conjecture for the 2-torus (Ex) (Created page with "<wikitex>; Suggestion: 1. Note that the dimensions must be equal. 2. Use the homotopy classification of surfaces, so both surfaces must be $T^2$. 3. Use the square model fo...")
- 05:32, 9 January 2019 (diff | hist) Degree one normal maps to the 3-sphere (Ex) (maybe a typo) (top)
- 06:57, 8 January 2019 (diff | hist) Extensions of groups (Ex) (top)
- 06:56, 8 January 2019 (diff | hist) Extensions of groups (Ex)
- 06:55, 8 January 2019 (diff | hist) m Extensions of groups (Ex)
- 06:37, 8 January 2019 (diff | hist) Talk:Non-prime solvable fundamental groups (Ex)
- 06:34, 8 January 2019 (diff | hist) m Talk:Non-prime solvable fundamental groups (Ex)
- 06:34, 8 January 2019 (diff | hist) Talk:Non-prime solvable fundamental groups (Ex)
- 06:32, 8 January 2019 (diff | hist) N Talk:Non-prime solvable fundamental groups (Ex) (Created page with "<wikitex>; Suggestion: The first manifold is $M = S^3$. Other than that, non-prime manifolds possess prime decompositions. So there must be at least two manifolds connected su...")
- 05:51, 8 January 2019 (diff | hist) N Talk:Normal maps - (non)-examples (Ex) (Created page with "<wikitex>; 1) Suggestion: in any manifold, you can find an open ball $D^n$. $S^n$ is the one-point compactification of $D^n$. The rest of the manifold may be very complicated,...")