2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/71524In this paper we present for every $d \geq 2$ and every local field $F$ of positive characteristic, explicit constructions of Ramanujan complexes which are quotients of the Bruhat-Tits building $\B_d(F)$ associated with $\operatorname{PGL}_d(F)$.minor correctionsCombinatoricsGroup Theory51E24, 55U10text