Timeline for Multiplicative functions $\phi : M_n(F) \longrightarrow F$ with $\phi(I) = 1$
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Nov 13, 2013 at 9:00 | vote | accept | M92 | ||
| Nov 12, 2013 at 21:07 | comment | added | Clément de Seguins Pazzis | Restrict $f$ to the space of all diagonal matrices in which the last $n-1$ entries equal $1$. | |
| Nov 12, 2013 at 15:30 | comment | added | Pete L. Clark | Why must $g$ be a polynomial? It is not always true that if $\varphi = g \circ f$ as functions and $\varphi$ and $f$ are polynomials, then so is $g$. E.g. take $F = \mathbb{R}$, $f(x) = x^3$, $\varphi(x) = x$. | |
| Nov 12, 2013 at 13:19 | history | answered | Clément de Seguins Pazzis | CC BY-SA 3.0 |