Timeline for Tachikawa conjecture for commutative algebras
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
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| Jan 14, 2017 at 4:19 | comment | added | Mohan | For $A=k[x]/x^n$ and a finitely generated $A$-module $M$, $\mathrm{Ext}^1(M,M)=0$ implies $M$ is free, as you say. | |
| Jan 9, 2017 at 14:14 | comment | added | Mare | math.uni-bielefeld.de/~ringel/lectures/tachi/tachikawa/… and the overview article Frobenius algebras by Yamagata. | |
| Jan 9, 2017 at 1:02 | comment | added | wonderich | Can you give a Ref? Thanks. | |
| Jan 8, 2017 at 15:58 | history | asked | Mare | CC BY-SA 3.0 |