𝔖 Bobbio Scriptorium
✦   LIBER   ✦

RELATIVE INJECTIVITY OF MODULES AND EXCELLENT EXTENSIONS

✍ Scribed by Parmenter, M. M.; Zhou, Yiqiang


Book ID
118187264
Publisher
Taylor and Francis Group
Year
1999
Tongue
English
Weight
401 KB
Volume
22
Category
Article
ISSN
1607-3606

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πŸ“œ SIMILAR VOLUMES


Universal central extensions of precross
✍ D. Arias; M. Ladra; A. R.-GrandjeΓ‘n πŸ“‚ Article πŸ“… 2003 πŸ› Elsevier Science 🌐 English βš– 333 KB

We characterize the universal central extension of a perfect precrossed module giving two descriptions, one in terms of non-abelian tensor products of groups and other in terms of projective presentations. As application to relative algebraic K-theory, we obtain that Milnor's absolute and relative K