Timeline for Knots in 3-manifolds
Current License: CC BY-SA 3.0
7 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Dec 27, 2014 at 18:28 | vote | accept | ali elgindi | ||
| Dec 27, 2014 at 18:26 | history | edited | Sam Nead | CC BY-SA 3.0 |
Simplified a lot.
|
| Dec 27, 2014 at 18:24 | comment | added | ali elgindi | I understand now, thank you. I will work on the proof (which seems direct). Thanks again! | |
| Dec 27, 2014 at 18:21 | history | edited | Sam Nead | CC BY-SA 3.0 |
Simplified a lot.
|
| Dec 27, 2014 at 18:05 | comment | added | ali elgindi | That isn't making sense to me, maybe I don't understand your point. $K$ is cut out and $S$ bounds a ball in $M$, but the ball is now missing the knot. How is it still bounding a 3-ball? | |
| Dec 27, 2014 at 17:56 | comment | added | ali elgindi | As I understand, by the Sphere Theorem if M is irreducible then $\pi_2(M)=0$. But how does this also imply that $\pi_2(M \setminus K) = 0$? | |
| Dec 27, 2014 at 17:43 | history | answered | Sam Nead | CC BY-SA 3.0 |