Classical freeness of affine vertex algebras of $\mathfrak{sl}_2$ at boundary admissible levels
Year: 2026
Type: preprint
Abstract: We prove that the simple affine vertex algebra $L_k(\mathfrak{sl}_2)$ is classically free at the boundary admissible level, which confirms a conjecture of Andrews, van Ekeren, and Heluani.
Source: arXiv (Cornell University)
Authors: Arakawa, Tomoyuki, Dai, Xuanzhong
Language: English
Subfield: Geometry and Topology
Field: Mathematics
Domain: Physical Sciences
Open Access status: green
OpenAlex ID: W7214751734