2 papers
math.AT2025
On the Mac Lane -Construction for Exact -Categories
Ettore Aldrovandi, Arash Karimi
We extend McCarthy's stabilization construction to exact -categories. This is achieved by constructing, for any functor from exact -categories to a fixed stable $\i…
math.CT2024
Symmetric Monoidal Bicategories and Biextensions
Ettore Aldrovandi, Milind Gunjal
We study monoidal 2-categories and bicategories in terms of categorical extensions and the cohomological data they determine in appropriate cohomology theories with coefficients in…