2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/221528We study rational points and torsion points on Drinfeld modular curves defined over rational function fields. As a consequence we derive a conjecture of Schweizer describing completely the torsion of Drinfeld modules of rank two over $\Bbb F_2(T)$ implying Poonen's uniform boundedness conjecture in this particular case.revised version, 44 pages, to appear in CrelleNumber Theory11G09, 11G18text