Lecture
Free Abelian Groups and Homomorphisms
Description
This lecture covers the concepts of free abelian groups, homomorphisms, and exact sequences. It discusses the relationship between different categories such as Ens, Ab, Gr, Vect, k, and Top. The instructor explains how to obtain a presentation of an abelian group in terms of free abelian groups and explores the connection between Hom and direct sums. Various calculations involving Hom are demonstrated, providing a comprehensive understanding of the topic.
Instructor
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Ontological neighbourhood
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