Quadratic Relations of the Deformed W-Algebra for the Twisted Affine Lie Algebra of Type A<sup>(2)</sup><sub>2N</sub>

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چکیده

We revisit the free field construction of deformed $W$-algebra by Frenkel and Reshetikhin [Comm. Math. Phys. 197 (1998), 1-32], where basic $W$-current has been identified. Herein, we establish a higher $W$-currents associated with twisted affine Lie algebra $A_{2N}^{(2)}$. obtain closed set quadratic relations duality, which allows us to define ${\mathcal W}_{x,r}\big(A_{2N}^{(2)}\big)$ using generators relations.

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ژورنال

عنوان ژورنال: Symmetry Integrability and Geometry-methods and Applications

سال: 2022

ISSN: ['1815-0659']

DOI: https://doi.org/10.3842/sigma.2022.072