Virasoro-type Symmetries in Solvable Models
  Virasoro-type symmetries and their roles in solvable models are reviewed. These symmetries are described by the two-parameter Virasoro-type algebra $Vir_{p,q}$ by choosing the parameters p and q suitably. 
H. Awata, H. Kubo, S. Odake and J. Shiraishi