Monday, March 19, 2007

Map of E8

Richard Feynman once needed a map of the cat. If you have 60 GB of space on your hard disk and you need a map of E8, the largest exceptional Lie group, you may think about asking Jeffrey Adams (University of Maryland) to send you the result of their multi-year work plus 77 hours of supercomputer time: a 453,060 x 453,060 matrix. Not sure whether it will be helpful to the heterotic string phenomenologists but it could be fun for everyone. See The Times or a slightly more technical presentation at liegroups.org which I can't quite verify right now.


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