Graded Extensions of Monoidal Categories
β
A.M Cegarra; A.R GarzΓ³n; J.A Ortega
π
Article
π
2001
π
Elsevier Science
π
English
β 262 KB
The long-known results of SchreierαEilenbergαMac Lane on group extensions are raised to a categorical level, for the classification and construction of the manifold of all graded monoidal categories, the type being given group β« with 1-component a given monoidal category. Explicit application is mad