Infinite component field theory of interacting relativistic strings and dual theory

Using light-cone quantization, the multistring formalism is unambiguously established from operator formalism, by introducing an infinite component field PHI which is a ket vector in the Fock space of transverse oscillators and the PHI/sup 3/ interaction corresponding to the dual vertex of ADDF. A functional multistring field is naturally obtained as the component of PHI in the basis {chi} where the string operator X is diagonal