Relative cotorsion modules and relative flat modules
L Mao, N Ding - Communications in Algebra®, 2006 - Taylor & Francis
Let R be a ring, M a right R-module, and na fixed non-negative integer. M is called n-
cotorsion if for any flat right R-module N. M is said to be n-flat if for any n-cotorsion right R …
cotorsion if for any flat right R-module N. M is said to be n-flat if for any n-cotorsion right R …
[PDF][PDF] Lixin Mao
N Ding - Communications in Algebra, 2006 - scholar.archive.org
Let R be a ring, M a right R-module, and na fixed non-negative integer. M is called n-
cotorsion if Extn+1 R NM= 0 for any flat right R-module N. M is said to be n-flat if Ext1 R MN …
cotorsion if Extn+1 R NM= 0 for any flat right R-module N. M is said to be n-flat if Ext1 R MN …
[PDF][PDF] Lixin Mao
N Ding - Communications in Algebra, 2006 - maths.nju.edu.cn
Let R be a ring, M a right R-module, and na fixed non-negative integer. M is called n-
cotorsion if Extn+1 R NM= 0 for any flat right R-module N. M is said to be n-flat if Ext1 R MN …
cotorsion if Extn+1 R NM= 0 for any flat right R-module N. M is said to be n-flat if Ext1 R MN …