2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/160719The Steenrod operations (mod p) in Chow theory are defined for any prime p for a quasi-projective scheme, without appealing to the results of any domain but Milnor's K-theory. The new definition also gives a direct formula that depends only on the scheme itself. Additionally, basic properties of the operations are proved from the new definition. The idea is based on a construction of M. Rost.K-Theory and HomologyAlgebraic Geometry14C15 (Primary), 14A10 (Secondary)text