On the Subgeneric Restricted Blocks of Affine Category \(\mathcal{O}\) at the Critical Level

  • Peter Fiebig
Part of the Springer Proceedings in Mathematics & Statistics book series (PROMS, volume 40)


We determine the endomorphism algebra of a projective generator in a subgeneric restricted block of the critical level category \(\mathcal{O}\) over an affine Kac–Moody algebra.


Equivalence Class Short Exact Sequence Full Subcategory Verma Module Vertex Algebra 
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Copyright information

© Springer-Verlag London 2013

Authors and Affiliations

  • Peter Fiebig
    • 1
  1. 1.Departement MathematikFAU Erlangen-NürnbergErlangenGermany

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