Tensor Products of Flat Cotorsion Modules and Cotorsion Dimension

Yonggang Hu, Linyu Ma, Xintian Wang

This paper studies the tensor product of flat cotorsion modules. Let~$R$~and $S$ be~$k$-algebras. We prove that both~$R$-module\ $M$ and~$S$-module\ $N$ are flat cotorsion modules…