FUSION ALGEBRA AT A RATIONAL LEVEL AND COHOMOLOGY OF NILPOTENT SUBALGEBRAS OF (SI)OVER-CAP-(2)

Authors
FEIGIN B MALIKOV F
Citation
B. Feigin et F. Malikov, FUSION ALGEBRA AT A RATIONAL LEVEL AND COHOMOLOGY OF NILPOTENT SUBALGEBRAS OF (SI)OVER-CAP-(2), letters in mathematical physics, 31(4), 1994, pp. 315-325
Citations number
16
Categorie Soggetti
Mathematical Method, Physical Science","Physycs, Mathematical
Journal title
letters in mathematical physics → ACNP
ISSN journal
03779017
Volume
31
Issue
4
Year of publication
1994
Pages
315 - 325
Database
ISI
SICI code
0377-9017(1994)31:4<315:FAAARL>2.0.ZU;2-1
Abstract
We define and calculate the fusion algebra of a WZW model at a rationa l level using cohomological methods. As a byproduct, we obtain a cohom ological characterization of admissible representations of ($$$) over cap sl(2).