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Parafermion vertex operator algebras and W-algebras (1701.06229v1)
Published 22 Jan 2017 in math.RT
Abstract: We prove the conjectual isomorphism between the level $k$ $\widehat{sl}_2$-parafermion vertex operator algebra and the $(k+1,k+2)$ minimal series $W_k$-algebra for all integers $k \ge 2$. As a consequence, we obtain the conjectural isomorphism between the $(k+1,k+2)$ minimal series $W_k$-algebra and the coset vertex operator algebra $SU(k)_1 \otimes SU(k)_1/SU(k)_2$.
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