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Higher Sugawara operators and the classical W-algebra for gl n

Presented by: 
A Molev [Sydney]
Friday 27th March 2009 - 09:00 to 10:00
INI Seminar Room 1
We give an explicit description of the center of the affine vertex algebra for gl n at the critical level. The results are applied to construct generators of the classical W-algebra for gl n and calculate the eigenvalues of the central elements in the Wakimoto modules at the critical level.
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Presentation Material: 
University of Cambridge Research Councils UK
    Clay Mathematics Institute London Mathematical Society NM Rothschild and Sons