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math.QA2005
The planar algebra of a semisimple and cosemisimple Hopf algebra
Vijay Kodiyalam, V. S. Sunder
To a semisimple and cosemisimple Hopf algebra over an algebraically closed field, we associate a planar algebra defined by generators and relations and show that it is a connected,…
math.QA2004★ 1 cited
Self-extensions of Verma modules and differential forms on opers
Edward Frenkel, Constantin Teleman
We compute the algebras of self-extensions of the vacuum module and the Verma modules over an affine Kac-Moody algebra g^ in suitable categories of Harish-Chandra modules. We show…