2 papers
math.RT2022
Stratifying systems and Jordan-Hölder extriangulated categories
Thomas Brüstle, Souheila Hassoun, Amit Shah +1
Stratifying systems, which have been defined for module, triangulated and exact categories previously, were developed to produce examples of standardly stratified algebras. A strat…
math.CT2020
Intersections, sums, and the Jordan-Hölder property for exact categories
Thomas Brüstle, Souheila Hassoun, Aran Tattar
We investigate how the concepts of intersection and sums of subobjects carry to exact categories. We obtain a new characterisation of quasi-abelian categories in terms of admitting…