Orthosymplectic W-algebra rationality conjecture

From papers

Let m1m\geq 1 and set

ψ=p2(p+q).\psi=\frac{p}{2(p+q)}.

Assume that p,qNp,q\in\mathbb{N} are coprime, that p2m1p\geq 2m-1 when qq is odd, and that p2mp\geq 2m when qq is even. Orthosymplectic W-algebra rationality conjecture. The vertex superalgebra Wψm1/2(osp12m)\mathcal W_{\psi-m-1/2}(\mathfrak{osp}_{1|2m}) is lisse and rational. Consequently, at the Feigin–Frenkel dual level ψ=1/(4ψ)=(p+q)/(2p)\psi'=1/(4\psi)=(p+q)/(2p), the corresponding algebra is also expected to be lisse and rational. This is the orthosymplectic analogue of Arakawa's rationality theorem for W-algebras of simple Lie algebras; the conjecture is motivated by a coset realization.

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Sources & referencesView supporting material

Primary source

Thomas Creutzig and Andrew R. Linshaw, “Trialities of orthosymplectic W-algebras”, arXiv:2102.10224 (2022).

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