Timeline for $Spin^c$ structure on the mapping torus of an automorphism of the torus
Current License: CC BY-SA 3.0
8 events
| when toggle format | what | by | license | comment | |
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| Aug 17, 2011 at 13:49 | vote | accept | none | ||
| Aug 17, 2011 at 12:28 | comment | added | Alain Valette | @ Ryan, after editing: OK, thank you for the explanation. Meanwhile I also learned of a theorem by Steenrod, that every orientable 3-manifold is parallelizable! | |
| Aug 17, 2011 at 1:57 | history | edited | Ryan Budney | CC BY-SA 3.0 |
3 -> 2
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| Aug 16, 2011 at 22:55 | history | edited | Ryan Budney | CC BY-SA 3.0 |
added 18 characters in body
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| Aug 16, 2011 at 22:53 | comment | added | Ryan Budney | You've got much more flexibility when it comes to trivializations of the tangent bundle -- the $SL_2 \mathbb Z$ restriction is only for the gluing map. Anyhow, I hope the edit helps. | |
| Aug 16, 2011 at 22:48 | history | edited | Ryan Budney | CC BY-SA 3.0 |
added 1319 characters in body
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| Aug 16, 2011 at 21:52 | comment | added | Alain Valette | @ Ryan: Can you be more specific on "rotating a little"? Since $\alpha$ is not isotopic to the identity (assuming $\alpha\neq Id$), I don't see how you do it. | |
| Aug 16, 2011 at 17:51 | history | answered | Ryan Budney | CC BY-SA 3.0 |