Excellent Extensions and Global Cotorsion Dimensions
S Wenliang - Tokyo Journal of Mathematics, 2012 - projecteuclid.org
In this paper, we mainly investigate the global cotorsion dimension under the excellent
extension of rings. We show that if $ S $ is an excellent extension of $ R $, then $\mathrm …
extension of rings. We show that if $ S $ is an excellent extension of $ R $, then $\mathrm …