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Tag Archives: Lie algebras
The ADE affair, 6
Earlier this semester, we had a beautiful seminar by Pierre-Philippe Dechant, whose work has thrown some entirely new light on this beautiful work of art. I would like to explain a bit about this here. For more details, see his … Continue reading
Magic square and Oxo cube
Most physicists now seem to think that the answer to the big questions about the universe is found in eleven dimensions, in something called M-theory. But to me it is very heartening that some mavericks are still prepared to look … Continue reading
Posted in exposition
Tagged Freudenthal, Hermitian matrices, Jordan algebras, Lie algebras, London algebra colloquium, Monster
1 Comment
E7.5
I’m at the workshop on Algebra, Combinatorics, Dynamics and Applications in Belfast this week. Despite the extremely friendly title, this is a meeting that takes me well out of my comfort zone. An excellent thing: I learned about categorification and … Continue reading
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