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Lecture
Zig Zag Lemma
Description
This lecture covers the Zig Zag Lemma, focusing on the long exact sequence of relative homology and induced homomorphisms on relative complexes. The instructor explains the proof of Theorem A and the concept of excision. The lecture emphasizes the importance of chain complexes and the construction of short exact sequences. Various diagrams are used to illustrate the concepts discussed.
Official source
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