Classifying submodules: From the Birkhoff problem to topological data analysis
Invited talk, Mälardalen University, Västerås, Sweden
Talks and presentations
Indecomposables in monomorphism categories
Invited talk, University of Stuttgart, Stuttgart, Germany
Auslander–Reiten theory of monomorphism categories
Invited talk, Homological algebra and representation theory, Karlovasi, Greece
Uniqueness of exact Borel subalgebras and bocses (Lecture Series, 3 talks of 1h each)
Plenary talk, Postmodern Ringel duality, bocses and contramodules, Stuttgart, Germany
Exact Borel subalgebras and (A_n)-combinatorics
Invited talk, Combinatorial aspects of representation theory, Oslo, Norway
Existence and uniqueness of exact Borel subalgebras
Invited talk, 28th Nordic Congress of Mathematicians, Helsinki, Finland
Towards bound quivers for exact categories (Lecture Series, 3 talks of 1h each)
Plenary talk, ICRA 2022 Workshop, Montevideo, Uruguay
Nakayama functors and monomorphism categories
Plenary talk, Abel Symposium: Triangulated categories in representation theory and beyond, Ålesund, Norway
Uniqueness of exact Borel subalgebras and bocses
Invited talk, A conference in celebration of the work of Bill Crawley-Boevey, online
Exact categories via A∞-algebras
Seminar talk, Tokyo-Nagoya algebra seminar, online
Monomorphism categories for generalised species
Plenary talk, ICRA 2020 Research Snapshot, online
Dual extensions — bocs perspectives
Seminar talk, University of Stuttgart, Germany, Stuttgart, Germany
The Auslander–Reiten translation in monomorphism categories
Seminar talk, University of Stuttgart, Germany, Stuttgart, Germany
Introduction to quasi-hereditary algebras (2 talks)
Plenary talk, Tilting theory, Singularity categories and noncommutative resolutions, Banff International Research Station, Oaxaca, Mexico
Gorenstein homological algebra for generalised species
Seminar talk, University of Thessaloniki, Thessaloniki, Greece
How to make modules simple using A-infinity algebras (6 talks with 4 problem sessions)
Plenary talk, Summer School: Strong homotopy methods in homological algebra, Nordfjordeid, Norway
Hopotopy and homology of standardly filtered categories II
Invited talk, Homotopy meets homology, Dublin, Ireland
A-infinity structures on Ext-algebras of standard modules for quasi-hereditary algebras
Plenary talk, ICRA XVIII, Prague, Czechia
Understanding quasi-hereditary algebras using A-infinity algebras
Invited talk, Workshop on non-associative algebras and applications, Lancaster University, Lancaster, United Kingdom
Existence and uniqueness of exact Borel subalgebras
Seminar talk, Séminaire d'Algèbre, Paris, France
Existence and uniqueness of exact Borel subalgebras
Seminar talk, University of Erlangen--Nürnberg, Erlangen, Germany
Existence and uniqueness of exact Borel subalgebras
Invited talk, Workshop Tensor Categories, Hopf algebras and quantum groups, University of Marburg, Marburg, Germany
Pro-species of algebras and monomorphism categories
Seminar talk, Bielefeld University, Bielefeld, Germany
Bocses — the quivers with relations for quasi-hereditary algebras
Seminar talk, University of Bonn, Bonn, Germany
A-infinity structures on Ext-algebras for quasi-hereditary algebras
Contributed talk, Representation Theory Days 2017, Eichstätt, Germany
From A-infinity algebras to bocses via Koszul duality
Seminar talk, HIM Bonn, Bonn, Germany
Ringel duality as a special case of Koszul duality
Invited talk, 20th NWDR workshop, Hannover, Germany
Ringel duality as a special case of Koszul duality
Seminar talk, University of Kaiserslautern, Kaiserslautern, Germany
Ringel dual bocses and smooth rational surfaces
Seminar talk, University of Cologne, Cologne, Germany
Higher Nakayama algebras
Plenary talk, MFO, Oberwolfach, Germany
Spherical objects and the higher cluster category of the cyclic apeirotope
Seminar talk, University of Münster, Münster, Germany
Spherical objects in higher Auslander–Reiten theory
Seminar talk, Bielefeld University, Bielefeld, Germany
Quasi-hereditary algebras and directed corings
Seminar talk, MPIM Bonn, Bonn, Germany
On a higher cluster category of type A∞$
Seminar talk, University of Bonn, Bonn, Germany
Higher Nakayama algebras
Plenary talk, ICRA XVII, Syracuse, USA
Exact Borel subalgebras and representation type
Invited talk, Representation theory conference, Uppsala, Sweden
Analogues of Nakayama algebras in higher Auslander–Reiten theory
Seminar talk, NTNU, Trondheim, Norway
Higher Nakayama algebras
Contributed talk, Representation theory days 2015, Stuttgart, Germany
Bocses and quasi-hereditary algebras
Seminar talk, University of East Anglia, Norwich, United Kingdom
Boxes and filtered representation type of Schur algebras
Invited talk, AMS-EMS-SPM joint meeting, Porto, Portugal
Boxes and tame Schur algebras
Seminar talk, University of Bonn, Bonn, Germany
Representation theory of (generalised) species
Seminar talk, University of Kiel, Kiel, Germany
Representation type, boxes, and Schur algebras
Plenary talk, Schwerpunkttagung 2015, Bad Honnef, Germany
In the box seat: Quasi-hereditary algebras
Plenary talk, ICRA XVI, Sanya, China
Quasi-hereditary algebras, A-infinity algebras and boxes
Contributed talk, DFG-priority program SPP1388, Soltau, Germany
Quasi-hereditary algebras, A-infinity algebras and boxes
Plenary talk, MFO, Oberwolfach, Germany
Exact Borel subalgebras via A-infinity categories
Seminar talk, University of Münster, Münster, Germany
Representation type and Auslander–Reiten theory of Frobenius–Lusztig kernels
Contributed talk, ICRA XV, Bielefeld, Germany
Auslander–Reiten theory of Frobenius–Lusztig kernels
Seminar talk, University of Stuttgart, Stuttgart, Germany
Representation type of Frobenius–Lusztig kernels
Contributed talk, Representation Theory Days 2011, Hannover, Germany
The quiver of the Frobenius–Lusztig kernel for $SL_2$
Seminar talk, University of Bochum, Bochum, Germany
Skew group algebras and the Auslander–Reiten theory of half-quantum groups
Contributed talk, Doktorandentagung Darstellungstheorie, Bonn, Germany
Invariant support varieties and AR-theory of quantum groups
Contributed talk, Schwerpunkttagung 2011, Münster, Germany
Biserial algebras via $D_4$-subalgebras
Seminar talk, Bielefeld University, Bielefeld, Germany
Auslander–Reiten theory for small quantum groups
Contributed talk, ICRA XIV, Tokyo, Japan
An alternative characterisation of biserial algebras
Seminar talk, University of Paderborn, Paderborn, Germany