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Homology (mathematics)


 

In mathematics (especially algebraic topology and abstract algebra), homology (in Greek homos = identical) is a certain general procedure to associate a sequence of abelian groups or modules to a given mathematical object (such as a topological space or a group). See homology theory for more background.

Related Topics:
Mathematics - Algebraic topology - Abstract algebra - Greek - Sequence - Abelian group - Modules - Topological space - Group - Homology theory

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For a topological space, the homology groups are generally much easier to compute than the homotopy groups, and consequently one usually will have an easier time working with homology to aid in the classification of spaces.

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