Skip to main content
3 events
when toggle format what by license comment
May 6, 2021 at 9:36 vote accept Evans Gambit
May 6, 2021 at 9:36 comment added Evans Gambit Thanks. I see that if $\det(UV)\in \mathfrak{m}$, then $\det (UV \mod \mathfrak{m})=0$, but $UV$ is invertible $\mod \mathfrak{m}$. So $\det(UV)$ is a unit in $R$. Thanks again!
May 6, 2021 at 8:30 history answered user2831784 CC BY-SA 4.0