The reduced orbifold associated-variety conjecture

Let V{\mathcal V} be a simple, strongly finitely generated VOA that is N\mathbb N-graded by conformal weight, with V[0]C{\mathcal V}[0]\cong\mathbb C. Let GG be a finite group of automorphisms, let RVR_{\mathcal V} be the associated commutative algebra, and let RVGR_{{\mathcal V}^G} be the corresponding algebra for the invariant VOA. Write AredA_{\mathrm{red}} for the quotient of a commutative algebra AA by its nilradical. The reduced orbifold associated-variety conjecture. The reduced rings of RVGR_{{\mathcal V}^G} and (RV)G(R_{\mathcal V})^G are isomorphic. The source presents this as a speculative conjecture following examples in which the reduced rings agree; its general validity remains unresolved.

Sources & referencesView supporting material

Primary source

Bong H. Lian and Andrew R. Linshaw, “Vertex Algebras and Commutative Algebras”, arXiv:2107.03243 (2024).

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