The loop-Witt algebra is the Lie algebra of the tensor product of the Witt algebra and the Laurent polynomial algebra. In this paper we study the universal central extension, derivations and automorphism group for the...The loop-Witt algebra is the Lie algebra of the tensor product of the Witt algebra and the Laurent polynomial algebra. In this paper we study the universal central extension, derivations and automorphism group for the loop-Witt algebra.展开更多
基金Supported in part by National Natural Science Foundation of China (Grant No. 11171294)Natural Science Foundation of Heilongjiang Province of China (Grant No. A201013)+2 种基金Science Fundation for Distinguished Young Scholars of Heilongjiang Province of China (Grant No. JC201004)Postdoctoral Scientific Research Foundation of Heilongjiang Province (Grant No. LBH-Q08026)the fund of Heilongjiang Education Committee (Grant No. 11541268)
文摘The loop-Witt algebra is the Lie algebra of the tensor product of the Witt algebra and the Laurent polynomial algebra. In this paper we study the universal central extension, derivations and automorphism group for the loop-Witt algebra.
