51 citations · 264 across the 70 of their papers we have counts for
5 papers · 1 filter
-abelian quotients of -angulated categories
Karin M. Jacobsen, Peter Jorgensen
Let be a triangulated category. If is a cluster tilting object and is the ideal of morphisms factoring through an object of $\oper…
Cluster tilting subcategories and torsion pairs in Igusa--Todorov cluster categories of Dynkin type
Sira Gratz, Thorsten Holm, Peter Jorgensen
We give a combinatorial classification of cluster tilting subcategories and torsion pairs in Igusa--Todorov cluster categories of Dynkin type .
-vectors of 2-Calabi--Yau categories and Borel subalgebras of
Peter Jorgensen, Milen Yakimov
We develop a general framework for -vectors of 2-Calabi--Yau categories, which deals with cluster tilting subcategories that are not reachable from each other and contain infini…
A -angulated generalisation of Conway and Coxeter's theorem on frieze patterns
Thorsten Holm, Peter Jorgensen
Coxeter defined the notion of frieze pattern, and Conway and Coxeter proved that triangulations of polygons are in bijection with integral frieze patterns. We show a -angulated…
Wide subcategories of -cluster tilting subcategories
Martin Herschend, Peter Jorgensen, Laertis Vaso
A subcategory of an abelian category is wide if it is closed under sums, summands, kernels, cokernels, and extensions. Wide subcategories provide a significant interface between re…