Rank over Z or Q will be slower than Zp, but it need not be too slow. Consider the following method, for example:
http://issac2009.kias.re.kr/Storjohann.pdf http://www.cs.uwaterloo.ca/~astorjoh/issac09.pdf -- -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URL: http://www.sagemath.org
