Global Weyl modules, BGG duality and the Catalan numbers

10/12/2010 - 12:15pm
10/12/2010 - 1:10pm
Nathan Manning (UC Riverside)

The discovery of BGG duality for category O in the 1970s stimulated research in that area and provided homological insight and information about the blocks of the category. We present partial results in an attempt to obtain a result of this kind for affine Lie algebras, and the problem takes a surprisingly combinatorial direction.

Millikan 208 (Pomona College)

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