Timeline for Automorphisms of $GL_n(\mathbb{Z})$
Current License: CC BY-SA 4.0
7 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jan 9, 2019 at 1:42 | vote | accept | cheyne | ||
| Jan 7, 2019 at 2:25 | comment | added | cheyne | Thank you (both) very much. | |
| Jan 7, 2019 at 2:24 | vote | accept | cheyne | ||
| Jan 9, 2019 at 1:42 | |||||
| Jan 7, 2019 at 1:08 | history | edited | KConrad | CC BY-SA 4.0 |
deleted 14 characters in body
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| Jan 7, 2019 at 1:07 | comment | added | KConrad | Ah, of course, good point. | |
| Jan 7, 2019 at 0:54 | comment | added | YCor | For odd $n$ the endomorphism $A\mapsto \det(A)A$ is not injective (it maps $-I$ to $I$). | |
| Jan 6, 2019 at 23:23 | history | answered | KConrad | CC BY-SA 4.0 |