On Gorenstein Flat Preenvelopes of Complexes
On Gorenstein Flat Preenvelopes of Complexes
In this paper we show that if the class {\cal B} of R -modules is closed under well ordered direct limits, then the class {\cal B} is preenveloping in the category of R -modules if and only if the class dw{\cal B} is preenveloping in the category of R -complexes, …