On 8 May 2014 08:18, Nils Bruin <nbr...@sfu.ca> wrote: > On Wednesday, April 30, 2014 1:07:55 AM UTC-7, John Cremona wrote: > >> NO! If f1 and f2 define the same extension field then <f1,f2> will >> not be prime, e.g. f1=x^2-2 and f2=x^2-8 over QQ. >> > > you probably mean f1=x^2-2 and f2=y^2-8 in QQ[x,y] . <x^2-2,x^2-8>=<1> is > also not prime but that doesn't have much to do which fields the > polynomials define. >
You are right, of course! John > -- > You received this message because you are subscribed to the Google Groups > "sage-devel" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to sage-devel+unsubscr...@googlegroups.com. > To post to this group, send email to sage-devel@googlegroups.com. > Visit this group at http://groups.google.com/group/sage-devel. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-devel@googlegroups.com. Visit this group at http://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/d/optout.
