Timeline for Computing the Euler characteristic of the complex projective plane using differential topology
Current License: CC BY-SA 3.0
8 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Oct 14, 2012 at 15:59 | answer | added | Johannes Ebert | timeline score: 5 | |
| May 21, 2012 at 0:02 | answer | added | Igor Rivin | timeline score: 5 | |
| May 20, 2012 at 8:09 | vote | accept | Joshua | ||
| May 20, 2012 at 5:08 | comment | added | Emerton | Dear Joshua, If you are the same person who posted this question on Math.SE, please note that it is standard etiquette not to post on both sites simultaneously. Also, MO is not a place to ask homework questions. (If it is actually just coincidence that the question appeared on both sites, please accept my apologies.) Regards, | |
| May 20, 2012 at 3:16 | answer | added | Igor Rivin | timeline score: 6 | |
| May 20, 2012 at 3:05 | comment | added | Allen Knutson | Try the gradient of the function $[a,b,c] \mapsto (|a|^2 + 2|b|^2 + 3|c^2|) / (|a|^2 + |b|^2 + |c|^2)$. Its critical points are at the coordinate points, with all indices $1$ (and Morse indices $0,2,4$). | |
| May 20, 2012 at 2:16 | history | edited | Joshua | CC BY-SA 3.0 |
edited title
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| May 20, 2012 at 1:56 | history | asked | Joshua | CC BY-SA 3.0 |