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Relating Kac-Moody, Virasoro and Krichever-Novikov algebras

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We demonstrate that the Kac-Moody and Virasoro-like algebras on Riemann surfaces of arbitrary genus with two punctures introduced by Krichever and Novikov are in two ways linearly related to Kac-Moody and Virasoro algebras onS 1. The two relations differ by a Bogoliubov transformation, and we discuss the connection with the operator formalism.

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Communicated by L. Alvarez-Gaumé

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Alberty, J., Taormina, A. & van Baal, P. Relating Kac-Moody, Virasoro and Krichever-Novikov algebras. Commun.Math. Phys. 120, 249–260 (1988). https://doi.org/10.1007/BF01217964

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  • DOI: https://doi.org/10.1007/BF01217964

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