Some results on (n, d)-injective modules,(n, d)-flat modules and n-coherent rings
Z Zhu - Comment. Math. Univ. Carolin, 2015 - kurims.kyoto-u.ac.jp
Let n, d be two non-negative integers. A left R-module M is called (n, d)-injective, if Extd+ 1
(N, M)= 0 for every n-presented left R-module N. A right R-module V is called (n, d)-flat, if …
(N, M)= 0 for every n-presented left R-module N. A right R-module V is called (n, d)-flat, if …