Abstract:
The four-tachyon scattering amplitude is derived from the SNR24-orbifold sigma model in the large N limit. The closed string interaction is described by a vertex that is a bosonic analog of the supersymmetric vertex recently proposed by Dijkgraaf, H. Verlinde, and E. Verlinde
Citation:
G. E. Arutyunov, S. A. Frolov, “Virasoro amplitude from the SNR24-orbifold sigma model”, TMF, 114:1 (1998), 56–86; Theoret. and Math. Phys., 114:1 (1998), 43–66