2 papers
math.RA2014
On Cotorsion pairs of chain complexes
Gang Yang, Ruijuan Du
In the paper we first construct a new cotorsion pair, in the category of chain complexes, from two given cotorsion pairs in the category of modules, and then we consider completene…
math.KT2014
All modules have Gorenstein flat precovers
Gang Yang, Li Liang
It is known that every -module has a flat precover. We show in the paper that every -module has a Gorenstein flat precover.