2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/71928We discuss several approaches to motivic complexes and explicit constructions of the regulator maps from the motivic complexes to Deligne complexes.This is a survey paper. It will appear in the Algebraic K-theory Handbook. 40 pages. The second version is a slightly edited version of the first one. No math changesNumber TheoryAlgebraic Geometrytext