Timeline for Representing homology classes in a Heegaard diagram
Current License: CC BY-SA 3.0
7 events
| when toggle format | what | by | license | comment | |
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| Apr 7, 2017 at 1:23 | vote | accept | user101010 | ||
| Apr 4, 2017 at 7:13 | history | edited | Marco Golla | CC BY-SA 3.0 |
Edited formatting of the intersection form on Sigma. (Sorry, I can't stand seeing <> used instead of \lange\rangle)
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| Apr 4, 2017 at 6:20 | answer | added | Ryan Budney | timeline score: 3 | |
| Apr 4, 2017 at 5:19 | comment | added | Ryan Budney | Cohomology + universal coefficients come into the picture because (by Poincare duality) cohomology detects homology classes i.e. they give you coordinates on the homology group. Okay, I'll write up a sketch. | |
| Apr 4, 2017 at 4:11 | comment | added | user101010 | @RyanBudney Ahh - well I am glad that it is not too tricky then! Nothing similar comes to mind but I would love to hear about any references that I should check out. I am not sure how cohomology comes into the picture. | |
| Apr 3, 2017 at 20:58 | comment | added | Ryan Budney | This looks like a homework problem. Have you taken a look at how this is done, typically, for other similar problems? Usually people use the interpretation of Poincare duality in terms of intersection numbers. | |
| Apr 3, 2017 at 18:37 | history | asked | user101010 | CC BY-SA 3.0 |