Timeline for Group extensions with non-abelian kernel
Current License: CC BY-SA 4.0
3 events
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| Aug 27, 2021 at 12:49 | comment | added | Mark Grant | Hi Peter, there is also an account in Mac Lane's book "Homology", Chapter IV. He doesn't quite discuss naturality but comes close, observing that congruent extensions lead to the same abstract kernel (on p.124). | |
| May 8, 2021 at 11:40 | comment | added | YCor | Is this meant to be an answer to your question? If not, the best option is to past this material in your own question (and delete this answer). | |
| May 8, 2021 at 11:31 | history | answered | Peter Kropholler | CC BY-SA 4.0 |