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(previously announced as SAGE days 5, which will now be at the Clay Math Institute  (previously announced as SAGE days 5, which will now be at the Clay Math Institute) 
SAGE Days 6
The 6th SAGE days 2007 will be held the November 12  16, 2007 in Bristol, UK at http://www.maths.bris.ac.uk/research/labs/heilbronn/
(previously announced as SAGE days 5, which will now be at the Clay Math Institute) in October, probably
Organizers
William Stein, [email protected]
John Cremona, [email protected]
Martin Albrecht, [email protected]