2021/07/28 by Wise, Jonathan
#18A05 #18E10 #18N10 #Algebraic Geometry (math.AG) #Category Theory (math.CT) #FOS: Mathematics
paper · doi:10.48550/arxiv.2107.13667
We describe some of the basic properties of the 2-category of 2-term complexes in an abelian category, using butterflies as morphisms.