A relative theory of universal central extensions

Basing ourselves on Janelidze and Kelly’s general notion of central extension, we study universal central extensions in the context of semi-abelian categories. Thus we unify classical, recent and new results in one conceptual framework. The theory we develop is relative with respect to a chosen Birk...

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Bibliographic Details
Main Author: Casas, José Manuel (author)
Other Authors: Linden, Tim Van der (author)
Format: other
Language:eng
Published: 2009
Subjects:
Categorical Galois theory
Semi-abelian category
Homology
Perfect object
Commutator
Baer invariant
Birkhoff subcategory
Online Access:http://hdl.handle.net/10316/11178
Country:Portugal
Oai:oai:estudogeral.sib.uc.pt:10316/11178

Internet

http://hdl.handle.net/10316/11178

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