Timeline for Group extensions with a non-commutative kernel
Current License: CC BY-SA 3.0
6 events
| when toggle format | what | by | license | comment | |
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| May 7, 2013 at 13:49 | answer | added | Ronnie Brown | timeline score: 2 | |
| May 5, 2013 at 17:25 | comment | added | Urs Schreiber | ncatlab.org/nlab/show/group+extension#SchreierTheory | |
| May 5, 2013 at 16:27 | history | edited | user9072 |
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| May 5, 2013 at 15:41 | answer | added | Mark Grant | timeline score: 5 | |
| May 5, 2013 at 15:40 | comment | added | Fernando Muro | Group extensions are classified by outer actions of the cokernel on the kernel together with third and second cohomology groups. All this is in an old paper by MacLane | |
| May 5, 2013 at 15:27 | history | asked | shenghao | CC BY-SA 3.0 |