Timeline for Torsion in cohomology of smooth manifolds
Current License: CC BY-SA 3.0
6 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Dec 19, 2012 at 21:01 | answer | added | Johannes Ebert | timeline score: 5 | |
| Dec 19, 2012 at 21:00 | comment | added | Liviu Nicolaescu | The statement about Pontryagin dual is part of the general Poincare duality with coefficients $bR/\bZ$ coupled with the universal coefficients formula. | |
| Dec 19, 2012 at 20:50 | answer | added | Liviu Nicolaescu | timeline score: 11 | |
| Dec 19, 2012 at 20:21 | comment | added | LMN | That's nice. I'd like to see a reference. | |
| Dec 19, 2012 at 20:11 | comment | added | Will Sawin | For part 3, over $\mathbb Q$, aren't they dual? Similarly, regular integral cohomology is Pontryagin dual to compact $\mathbb R/\mathbb Z$ cohomology. | |
| Dec 19, 2012 at 19:54 | history | asked | LMN | CC BY-SA 3.0 |