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math.CT2023
The category of extensions and idempotent completion
Raphael Bennett-Tennenhaus, Johanne Haugland, Mads Hustad Sandøy +1
Building on previous work, we study the splitting of idempotents in the category of extensions associated to a pair $(\mathcal{C},\math…
math.CT2022★ 12 cited
The category of extensions and a characterisation of -exangulated functors
Raphael Bennett-Tennenhaus, Johanne Haugland, Mads Hustad Sandøy +1
Additive categories play a fundamental role in mathematics and related disciplines. Given an additive category equipped with a biadditive functor, one can construct its category of…