Skip to main content
4 events
when toggle format what by license comment
Mar 25, 2011 at 23:20 comment added GH from MO You are absolutely right, thanks. Actually, I made a similar comment myself, on mathoverflow.net/questions/58901/…
Mar 25, 2011 at 20:07 comment added David Hansen You need $\rho$ to be "odd", i.e. $\mathrm{det}\rho(c)=-1$ on $c$ complex conjugation, for Khare-Wintenberger to apply. The even $A_5$ case is wide open.
Mar 25, 2011 at 19:25 history edited GH from MO CC BY-SA 2.5
made the response more precise
Mar 25, 2011 at 19:17 history answered GH from MO CC BY-SA 2.5