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Classical freeness of affine vertex algebras of sl2 at boundary admissible levels
Abstract
We prove that the simple affine vertex algebra Lk(sl2) is classically free at the boundary admissible level, which confirms a conjecture of Andrews, van Ekeren, and Heluani.
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BibTeX
@misc{arakawa2026classical,
title = {{Classical freeness of affine vertex algebras of $\mathfraksl_2$ at boundary admissible levels}},
author = {Tomoyuki Arakawa and Xuanzhong Dai},
howpublished = {arXiv},
year = {2026},
month = sep,
doi = {10.48550/arxiv.2609.33348},
eprint = {2609.33348},
archivePrefix = {arXiv},
url = {https://arxiv.org/abs/2609.33348},
}
RIS
TY - UNPB
TI - Classical freeness of affine vertex algebras of sl_2 at boundary admissible levels
AU - Tomoyuki Arakawa
AU - Xuanzhong Dai
PY - 2026
DA - 2026/09/27
PB - arXiv
DO - 10.48550/arxiv.2609.33348
UR - https://arxiv.org/abs/2609.33348
AB - We prove that the simple affine vertex algebra L_k(sl_2) is classically free at the boundary admissible level, which confirms a conjecture of Andrews, van Ekeren, and Heluani.
ER -