Timeline for Can FLT fail with a parametrization over some extension of Z?

10 events

when toggle format	what		by	license	comment
Dec 21, 2012 at 17:05	answer	added	John Cremona		timeline score: 10
Dec 18, 2012 at 7:51	comment	added	François Brunault		@Chandan : Thanks for this reference. I should have said "separable base change" in the above comment. As far as the Fermat curve of degree $n$ is concerned, everything is fine as long as the characteristic of $K$ doesn't divide $n$ : the curve is absolutely irreducible, smooth, and the $K$-vector space of regular differentials on it has dimension $(n-1)(n-2)/2$.
Dec 17, 2012 at 12:23	comment	added	Chandan Singh Dalawat		@François : Voir Genus change in inseparable extensions of function fields par John Tate (ams.org/journals/proc/1952-003-03/S0002-9939-1952-0047631-9/…).
Dec 17, 2012 at 12:08	answer	added	user9072		timeline score: 7
Dec 17, 2012 at 12:07	vote	accept	joro
Dec 17, 2012 at 12:01	comment	added	François Brunault		The genus of a curve is invariant under base change.
Dec 17, 2012 at 11:19	answer	added	Qiaochu Yuan		timeline score: 8
Dec 17, 2012 at 11:14	history	edited	joro	CC BY-SA 3.0	Added coprimality to avoid scaling a single solution
Dec 17, 2012 at 11:03	comment	added	Chandan Singh Dalawat		Isn't there a formula for the genus of a plane curve in terms of its degree ?
Dec 17, 2012 at 10:32	history	asked	joro	CC BY-SA 3.0