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math.QA2019★ 3 cited
Drinfeld type presentations of loop algebras
Fulin Chen, Naihuan Jing, Fei Kong +1
Let be the derived subalgebra of a Kac-Moody Lie algebra of finite type or affine type, a diagram automorphism of and the loop…
math.RA2019★ 5 cited
Twisted toroidal Lie algebras and Moody-Rao-Yokonuma presentation
Fulin Chen, Naihuan Jing, Fei Kong +1
Let $\fg$ be an affine Kac-Moody algebra, and a diagram automorphism of $\fg$. In this paper, we give an explicit realization for the universal central extension $\wh\fg[μ]$ of…