67 citations · 146 across the 31 of their papers we have counts for
Showing 2010 · math.CTShow all
2 papers · 2 filters
math.CT2010★ 5 cited
On abelian 2-categories and derived 2-functors
Teimuraz Pirashvili
This is an extended version of my earlier articel "Projective and injective objects in symmetric categorical groups. arXiv:1007.0121v1." Several new facts added, including the mate…
math.CT2010★ 4 cited
Projective and injective objects in symmetric categorical groups
Teimuraz Pirashvili
We prove that the 2-category of symmetric categorical groups have enough projective and injective objects. This was conjectured by Bourn and Vitale in 2002 and was anounced recentl…