Publications (26)
The representation dimension of quantum complete intersections
Petter Andreas Bergh, Steffen Oppermann
Constructing tilted algebras from cluster-tilted algebras
Marco Angel Bertani-Ãkland, Steffen Oppermann, Anette WrÃ¥lsen
Higher dimensional cluster combinatorics and representation theory
Steffen Oppermann, Hugh Thomas
Quivers for silting mutation
Steffen Oppermann
Change of rings and singularity categories
Steffen Oppermann, Chrysostomos Psaroudakis, Torkil Stai
Degenerations of submodules and composition series
Nils Nornes, Steffen Oppermann
The Gorenstein defect category
Petter Andreas Bergh, David A. Jorgensen, Steffen Oppermann
Cluster tilting and complexity
Petter Andreas Bergh, Steffen Oppermann
Cluster equivalence and graded derived equivalence
Claire Amiot, Steffen Oppermann
n-Representation infinite algebras
Martin Herschend, Osamu Iyama, Steffen Oppermann
Stable categories of higher preprojective algebras
Osamu Iyama, Steffen Oppermann
The image of the derived category in the cluster category
Claire Amiot, Steffen Oppermann
Cohomology of twisted tensor products
Petter Andreas Bergh, Steffen Oppermann
Higher preprojective algebras and stably Calabi-Yau properties
Claire Amiot, Steffen Oppermann
n-representation-finite algebras and n-APR tilting
Osamu Iyama, Steffen Oppermann
Algebras of acyclic cluster type: tree type and type $\widetilde{A}$
Claire Amiot, Steffen Oppermann
Finding a cluster-tilting object for a representation finite cluster-tilted algebra
Marco Angel Bertani-Ãkland, Steffen Oppermann, Anette WrÃ¥lsen
Quotient closed subcategories of quiver representations
Steffen Oppermann, Idun Reiten, Hugh Thomas
A recollement approach to Geigle-Lenzing weighted projective varieties
Boris Lerner, Steffen Oppermann
Generating the bounded derived category and perfect ghosts
Steffen Oppermann, Jan Stovicek
Mutating loops and 2-cycles in 2-CY triangulated categories
Marco Angel Bertani-Ãkland, Steffen Oppermann
Dimensions of triangulated categories via Koszul objects
Petter Andreas Bergh, Srikanth B. Iyengar, Henning Krause +1
The negative side of cohomology for Calabi-Yau categories
Petter Andreas Bergh, David A. Jorgensen, Steffen Oppermann
Cohomological symmetry in triangulated categories
Petter Andreas Bergh, Steffen Oppermann
Graded mutation in cluster categories coming from hereditary categories with a tilting object
Marco Angel Bertani-Ãkland, Steffen Oppermann, Anette WrÃ¥lsen
$n$-angulated categories
Christof Geiss, Bernhard Keller, Steffen Oppermann