2015/08/17 by Estrada, Sergio, Iacob, Alina, Odabasi, Sinem
#Commutative Algebra (math.AC) #FOS: Mathematics
paper · doi:10.48550/arxiv.1508.04173
We consider a right coherent ring R. We prove that the class of Gorenstein flat complexes is covering in the category of complexes of left R-modules Ch(R). When R is also left n-perfect, we prove that the class of Gorenstein projective complexes is special precovering in Ch(R).