2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/74255The paper presents a construction of the crossed product of a C*-algebra by an endomorphism generated by partial isometryOperator Algebras46L05; 47B99; 47L30; 16W20Crossed product of a C*-algebra by an endomorphism, coefficient algebras and transfer operatorstext