2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/220348Conformally gauge-fixed Polyakov D1 brane action is seen to be a constrained sys tem in the sense of Dirac when it is considered on the light-front in contrast t o the case when it is consdired in the instant-form. The model is quantized usin g the standard constraint quantization techniques on the light-front.06pages, conferenceHigh Energy Physics - Theorytext