SINGULAR CONTRACTIONS OF W-ALGEBRAS

14 September 1992

journal article
Published by World Scientific Pub Co Pte Ltd in Modern Physics Letters A

Vol. 7 (28) , 2619-2626
https://doi.org/10.1142/s0217732392004092

Abstract

Many W-algebras are consistent for all values of the central charge except for a discrete set of exceptional values. We show that such algebras can be contracted to new consistent degenerate algebras at these exceptional values of the central charge.

Keywords

SINGULAR CONTRACTIONS
CONTRACTED
CENTRAL CHARGE
EXCEPTIONAL VALUES
DEGENERATE ALGEBRAS
NEW CONSISTENT
CONSISTENT DEGENERATE

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Version 1, 1992-06-08, ArXiv

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