摘要
For two classes of right R-modules W, X such that P W X, where P is the class of projective right R-modules, we show that there is an Avramov-Martsinkovsky type exact sequence with generalized Tate homology functor Tor^X,W, relative homology functors Tor^W and Tor^X. Many results in Iacob [Comm. Algebra, 35, 1589-1606 (2007)] and Liang [Algebr. Represent. Theory, 16, 1541-1560 (2013)] are generalized and improved.
For two classes of right R-modules W, X such that P W X, where P is the class of projective right R-modules, we show that there is an Avramov-Martsinkovsky type exact sequence with generalized Tate homology functor Tor^X,W, relative homology functors Tor^W and Tor^X. Many results in Iacob [Comm. Algebra, 35, 1589-1606 (2007)] and Liang [Algebr. Represent. Theory, 16, 1541-1560 (2013)] are generalized and improved.
基金
Supported by National Natural Science Foundation of China(Grant Nos.11301240,11401475)
Natural Science Foundation of Chongqing(cstc2017jcyjAX0298)