On the flatness and injectivity of dual modules (III)
Bull. Korean Math. Soc. 2006 Vol. 43, No. 4, 755-762 Printed December 1, 2006
Zhaoyong Huang Nanjing University
Abstract : For a commutative ring $R$ and an injective cogenerator $E$ in the category of $R$-modules, we characterize von Neumann regular rings and semisimple artinian rings in terms of the properties of dual modules with respect to $E$.