1. Department of Mathematics, Heilongjiang University, Harbin, 150080, P. R. China 2. Department of Mathematics, Heihe College, Heihe, 164300, P. R. China
Abstract:
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.