Lecture
Exact Sequences: Split Exact Sequences 2
Description
This lecture covers the concept of split exact sequences, focusing on constructing a map between two modules such that the square of the map is the identity. It also discusses the conditions for obtaining a homomorphism from one module to another, exploring different choices and verifying the resulting homomorphism. The instructor emphasizes the importance of defining the map properly to ensure independence from initial choices and demonstrates how to verify the homomorphism in various scenarios.
Official source
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