Department of Mathematics, Huzhou University,Huzhou 313000, Zhejiang, China. and Corresponding author. Department of Mathematics, ShanghaiNormal University,Shanghai 200234, China.
Abstract:
With the cohomology results on the Virasoro algebra, the authors
determine the second cohomology group on the twisted
Heisenberg-Virasoro algebra, which gives all deformations on the
twisted Heisenberg-Virasoro algebra.