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math.AC2024
An equivariant BGG correspondence and perfect complexes for extensions by
Henrik Rüping, Marc Stephan
We provide an equivariant extension of Carlsson's BGG correspondence in characteristic two. As an application we classify perfect cochain complexes of $(\mathbb{Z}/2\times \mathbb{…
math.CT2024
Generation time for biexact functors and Koszul objects in triangulated categories
Janina C. Letz, Marc Stephan
This paper concerns the generation time that measures the number of cones necessary to obtain an object in a triangulated category from another object. This invariant is called lev…