Черных Г.С. - Homological Algebra - 5. Exercises on Tor and Ext

Exercises on Tor and Ext Черных Георгий Сергеевич 00:17 Exercise with Tor 08:05 Proof of Lemma 28:41 Chain Complex of Projective Modules 33:47 Cone of a Morphism. Differential of a Cone 37:27 Long Exact Sequences (Suspension) 42:21 Exercise with Tor (Continue, Proof) 47:28 Proof (First Direction) 52:43 Proof (Opposite Direction) 57:19 Hom Preserves Homologies 01:01:29 Ext and Projective Resolution 01:10:57 Flat Modules #homology_groups