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Corpus ID: 227209162

Principal subspaces for the quantum affine vertex algebra in type $A_1^{(1)}$

@article{Butorac2020PrincipalSF,
title={Principal subspaces for the quantum affine vertex algebra in type \$A_1^\{(1)\}\$},
author={Marijana Butorac and Slaven Kovzi'c},
journal={arXiv: Quantum Algebra},
year={2020}
}

By using the ideas of Feigin and Stoyanovsky and Calinescu, Lepowsky and Milas we introduce and study the principal subspaces associated with the Etingof-Kazhdan quantum affine vertex algebra of integer level $k\geqslant 1$ and type $A_1^{(1)}$. We show that the principal subspaces possess the quantum vertex algebra structure, which turns to the usual vertex algebra structure of the principal subspaces of generalized Verma and standard modules at the classical limit. Moreover, we find their… Expand