Timeline for Maximal numbers of summands in middle terms of short exact sequences
Current License: CC BY-SA 4.0
2 events
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| Oct 12, 2019 at 16:11 | comment | added | Jeremy Rickard | I think this also answers question 3 in the negative, since if $k$ has characteristic three then the algebra I suggest is the group algebra of $C_3\times C_3$, and as Geoff Robinson alludes to in his comment, work of Peter Webb answers question 2 in the negative for group algebras. | |
| Oct 12, 2019 at 15:24 | history | answered | Jeremy Rickard | CC BY-SA 4.0 |