مؤلف: Jianlong Chen

Jianlong Chen is a Professor at School of Mathematics, Southeast University. He is engaged in research in algebra, including ring theory, module theory, homological theory, matrix theory and generalized inverse theory. Xiaoxiang Zhang is a Professor at School of Mathematics, Southeast University. He is engaged in research in algebra, with research interests including the theory of rings, modules, generalized inverses and homological algebra.