Satellites and universal functors

DA Buchsbaum - Annals of Mathematics, 1960 - JSTOR
In [3], Cartan and Eilenberg showed that if A is a ring (with identity element) and A and C are
two (left) A-modules, then one can define for each integer n> 0 an abelian group Extn (A, C) …

[PDF][PDF] SATELLITES AND UNIVERSAL, FUNCTORS

DA BUCHSBAUM - researchgate.net
In [3], Cartan and Eilenberg showed that if A is a ring (with identity element) and A and C are
two (left) A-modules, then one can define for each integer n>= 0, an abelian group Ext:(A, C) …