Timeline for How to classify continuous maps from 2-spheres to 2-spheres with n fixed points?
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
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| Sep 21, 2017 at 20:08 | comment | added | ChonFai Kam | Thanks for your comment! Can you explain a little bit more why the homotopy groups of the union of spheres is $\mathbb{Z}$? | |
| Sep 21, 2017 at 18:58 | vote | accept | ChonFai Kam | ||
| Sep 21, 2017 at 7:49 | history | edited | Gregory Arone | CC BY-SA 3.0 |
added 220 characters in body
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| Sep 21, 2017 at 6:27 | history | answered | Gregory Arone | CC BY-SA 3.0 |