SMS scnews item created by Bill Unger at Wed 23 Jun 2010 1541
Type: Seminar
Distribution: World
Expiry: 24 Jun 2010
Calendar1: 24 Jun 2010 1505-1600
CalLoc1: Carslaw 173
Auth: billu@daumier.maths.usyd.edu.au

Computational Algebra Seminar: Donnelly -- Descent algorithms for elliptic curves

Speaker: Steve Donnelly
Title: Descent algorithms for elliptic curves, Part 3
Time & Place: 3:05-4pm, Thursday 24 June, Carslaw 173

Abstract:
This talk will summarize some distinctive features of
4-descent and of 3-descent.  Also it will begin to
discuss the problem of finding "nice" models of the
covering curves, via linear change of variables
(in fact this breaks into two algorithmic problems, 
referred to as "minimisation" and "reduction").

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