2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/53726Recent advances in non-critical string theory allow a unique continuation of critical Polyakov string amplitudes to off-shell momenta, while preserving conformal invariance. These continuations possess unusual, apparently stringy, characteristics, as we illustrate with our results for three-point functions. (Talk by R.C.M. at Strings '93)5 pages, Plain TEX, McGill/93-44High Energy Physics - Theorytext