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Standard constructions in abelian categories

โœ Scribed by Peter J. Huber

Publisher
Springer
Year
1962
Tongue
English
Weight
583 KB
Volume
146
Category
Article
ISSN
0025-5831

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Central extensions in semi-abelian categ
Central extensions in semi-abelian categories
โœ Dominique Bourn; Marino Gran ๐Ÿ“‚ Article ๐Ÿ“… 2002 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 119 KB

In the context of semi-abelian categories, we develop some new aspects of the categorical theory of central extensions by Janelidze and Kelly. If C is a semi-abelian category and X is any admissible subcategory we give several characterizations of trivial and central extensions. The notion of centra