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Chiral algebras of class $\mathcal{S}$ and Moore-Tachikawa symplectic varieties

3 Pith papers cite this work. Polarity classification is still indexing.

3 Pith papers citing it
abstract

We give a functorial construction of the genus zero chiral algebras of class $\mathcal{S}$, that is, the vertex algebras corresponding to the theory of class $\mathcal{S}$ associated with genus zero pointed Riemann surfaces via the 4d/2d duality discovered by Beem, Lemos, Liendo, Peelaers, Rastelli and van Rees in physics. We show that there is a unique family of vertex algebras satisfying the required conditions and show that they are all simple and conformal. In fact, our construction works for any complex semisimple group G that is not necessarily simply laced. Furthermore, we show that the associated varieties of these vertex algebras are exactly the genus zero Moore-Tachikawa symplectic varieties that have been recently constructed by Braverman, Finkelberg and Nakajima using the geometry of the affine Grassmannian for the Langlands dual group.

years

2026 1 2025 2

verdicts

UNVERDICTED 3

representative citing papers

A new quasi-lisse affine vertex algebra of type $D_4$

math.QA · 2025-04-18 · unverdicted · novelty 7.0

For m=1 the algebra L_{k1}(D4) is quasi-lisse with associated variety the Zariski closure of the subregular nilpotent orbit and possesses a unique irreducible ordinary module.

Cohomology ring of unitary $N=(2,2)$ full vertex algebra and mirror symmetry

math.RT · 2025-04-14 · unverdicted · novelty 5.0

Introduces cohomology rings, Hodge numbers and Witten index for unitary N=(2,2) full VOAs; constructs spectral flow algebraically and proves its periodicities equivalent to top-degree cohomology classes, yielding Poincaré duality, T-duality and Frobenius structures.

citing papers explorer

Showing 3 of 3 citing papers.

  • Universal $2$-parameter $\mathcal{N}=2$ supersymmetric $\mathcal{W}_{\infty}$-algebra math.RT · 2026-04-22 · unverdicted · none · ref 12

    The universal N=2 supersymmetric W_infty algebra exists as a 2-parameter family whose Y-algebra quotients satisfy the conjectured dualities, giving coset realizations and strong rationality for W_k(sl_{n+1|n}) at k = -1 + 1/(n+a+1).

  • A new quasi-lisse affine vertex algebra of type $D_4$ math.QA · 2025-04-18 · unverdicted · none · ref 7 · internal anchor

    For m=1 the algebra L_{k1}(D4) is quasi-lisse with associated variety the Zariski closure of the subregular nilpotent orbit and possesses a unique irreducible ordinary module.

  • Cohomology ring of unitary $N=(2,2)$ full vertex algebra and mirror symmetry math.RT · 2025-04-14 · unverdicted · none · ref 1 · internal anchor

    Introduces cohomology rings, Hodge numbers and Witten index for unitary N=(2,2) full VOAs; constructs spectral flow algebraically and proves its periodicities equivalent to top-degree cohomology classes, yielding Poincaré duality, T-duality and Frobenius structures.