Timeline for Reference request. Something like a rank for matrices over non-commutative rings
Current License: CC BY-SA 3.0
7 events
| when toggle format | what | by | license | comment | |
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| Apr 8, 2018 at 20:09 | answer | added | Sheng Yin | timeline score: 2 | |
| Mar 31, 2017 at 21:23 | comment | added | Steven Landsburg | @AndreiSmolensky: But the OP seems to have fixed $M$, which I interpret to mean that he's looking at matrices of a fixed size, so it's not clear that he needs IBN. | |
| Mar 31, 2017 at 16:27 | history | edited | YCor |
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| Mar 31, 2017 at 14:47 | answer | added | David Handelman | timeline score: 3 | |
| Mar 31, 2017 at 11:22 | comment | added | Andrei Smolensky | What is $n$ in the third property? If this is the size of the matrix, then one should be very careful, because $M(n, R)$ and $M(m, R)$ for $n\neq m$ might be isomorphic if $R$ is a ring without IBN. | |
| Mar 31, 2017 at 8:55 | answer | added | coudy | timeline score: 7 | |
| Mar 31, 2017 at 3:35 | history | asked | ivmihajlin | CC BY-SA 3.0 |