Classification of irreducible modules for Bershadsky–Polyakov algebra at certain levels (CROSBI ID 287232)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Adamović, Dražen ; Kontrec, Ana
engleski
Classification of irreducible modules for Bershadsky–Polyakov algebra at certain levels
We study the representation theory of the Bershadsky–Polyakov algebra W_k=W_k(sl_3, f_θ). In particular, Zhu algebra of Wk is isomorphic to a certain quotient of the Smith algebra, after changing the Virasoro vector. We classify all modules in the category O for the Bershadsky– Polyakov algebra W_k for k=−5/3, −9/4, −1, 0. In the case k=0, we show that the Zhu algebra A(W_k) has two-dimensional indecomposable modules.
Vertex algebra ; W-algebras ; Bershadsky–Polyakov algebra ; Zhu’s algebra
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Podaci o izdanju
20 (6)
2021.
2150102
10
objavljeno
0219-4988
1793-6829
10.1142/s0219498821501024