Sugawara Construction and Casimir Operators for Krichever-Novikov Algebras

Details Sugawara Construction and Casimir Operators for Krichever-Novikov Algebras Sugawara Construction and Casimir Operators for Krichever-Novikov Algebras

1995-12-18

arxiv.org/abs/q-alg/9512016v1

Physics

High Energy Physics

High Energy Physics - Theory

Amstex 2.1, 39 pages

Scientific paper

We show how to obtain from highest weight representations of Krichever-Novikov algebras of affine type (also called higher genus affine Kac-Moody algebras) representations of centrally extended Krichever-Novikov vector field algebras via the Sugawara construction. This generalizes classical results where one obtains representations of the Virasoro algebra. Relations between the weights of the corresponding representations are given and Casimir operators are constructed. In an appendix the Sugawara construction for the multi-point situation is done.

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