Timeline for Why do we study complex orientable cohomology theories
Current License: CC BY-SA 4.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jan 23, 2020 at 19:29 | comment | added | Saal Hardali | It's perhaps not the most important reason but "complex oriented" beyond the existence of chern classes means you can "integrate" cohomology classes along submersions of almost complex manifolds. I believe this was a crucial part in Hirzebruch's original proof of HRR theorem. | |
| Jan 20, 2020 at 13:29 | vote | accept | Andy Jiang | ||
| Jan 20, 2020 at 2:07 | answer | added | Eric Peterson | timeline score: 26 | |
| Jan 16, 2020 at 18:17 | answer | added | user1092847 | timeline score: 8 | |
| Jan 16, 2020 at 17:43 | history | asked | Andy Jiang | CC BY-SA 4.0 |