  1. The 2-Toda lattice and its generic symmetries
  2. A Larger class of symmetries for special initial conditions
  3. Borel decomposition of Moment matrices, tau-functions and
string-orthogonal polynomials
  4. From string-orthogonal Polynomials to the 2-Toda lattice and the string
equation
  5. Virasoro constraints on two-matrix integrals
