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Semi-abelian categories

✍ Scribed by George Janelidze; László Márki; Walter Tholen


Book ID
108357926
Publisher
Elsevier Science
Year
2002
Tongue
English
Weight
150 KB
Volume
168
Category
Article
ISSN
0022-4049

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📜 SIMILAR VOLUMES


Central extensions in semi-abelian categ
✍ Dominique Bourn; Marino Gran 📂 Article 📅 2002 🏛 Elsevier Science 🌐 English ⚖ 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