一类与Virasoro代数有关的李代数的中心扩张

摘要

通过计算生成元确定了一类Virasoro型李代数的二上同调群及其维数，进而给出了这类李代数的中心扩张李代数．%Through the calculation of generators, we determine second cohomology group and dimension of a class of Lie algebra related to Virasoro algebra. Then its central extensions are given out in this paper.