Bershadsky-Polyakov vertex algebras at positive integer levels and duality
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"Bershadsky-Polyakov vertex algebras..." refers background in this paper
...Li construction from [34] (see also [26]) we get that...
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"Bershadsky-Polyakov vertex algebras..." refers background in this paper
...a highest weight vector vx,y such that J0vx,y = xvx,y, Jnvx,y = 0 forn>0, L0vx,y = yvx,y, Lnvx,y = 0 forn>0, G± n vx,y = 0 forn≥ 1. Let Aω(V) denote the Zhu algebra associated to the VOA V (cf. [41]) with the Virasorovectorω, and let [v] be the image of v∈ Vunder the mapping V → Aω(V). For the Zhu algebra Aω(Wk) it holds that: Proposition 3.2 ([9], Proposition3.2.). There exists a homomorphism Φ...
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"Bershadsky-Polyakov vertex algebras..." refers methods in this paper
...In [8], the Bershadsky-Polyakov algebraWk is realized as a vertex subalgebra of Zk⊗Π(0) (where Zk = Wk(sl(3), fprinc) is the Zamolodchikov W -algebra [40]), for 2k + 3 / ∈ Z≥0....
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...[35]): Com(S, V ) := {v ∈ V | anv = 0, ∀a ∈ S, ∀n ∈ Z≥0}....
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...Φ(z) = X n∈Z Φ(n+ 1 2)z −n−1 generate on F1/2 = ^ (Φ(−n−1/2)| n∈ Z≥0) a unique structure of a vertex superalgebra with conformal vector ωF1/2 = 1 2Φ(− 3 2)Φ(−2) 1 , of central charge cF1/2 = 1/2 (cf. [23], [26]). Note also that the field Φ(z) is usually called neutral fermion field, and F1/2 is called free-fermion theory in physics literature. A basis of F1/2 is given by Φ(−n1 − 1 2)...Φ(−nr − 1 2), whe...
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