Seminar Representation Theory, WS 2017/18

Time and place: Wednesdays 14-16 in room T2-220

Organisers: Prof. Dr. William Crawley-Boevey, Prof. Dr. Henning Krause

The seminar covers different topics within the field of representation theory.

Schedule of Talks

  • 25 October: Ögmundur Eiriksson: Exact structures and CM-finite algebras (after Enomoto)
  • 08 November: Julia Sauter: Extending the "generator correspondence" G ↦ End(G)
  • 15 November: Sebastian Eckert: Reflexive completions
  • 22 November: William Crawley-Boevey: Preprojective algebras
  • 29 November: Please note that there will be no talk on 29 November and that the talks by Ulrike Hansper and Jan Geuenich were moved to 06 December and 20 December, respectively.
  • 06 December: Ulrike Hansper: Auslander-Reiten components for clans (after Geiß-de la Peña)
  • 13 December: Please see above.
  • 20 December: Jan Geuenich: Classifying tilting complexes (after Aihara-Mizuno)
  • 24 January: Baptiste Rognerud: On the derived category of finite posets
  • 31 January: Henning Krause: Grothendieck groups and almost split sequences


[AM] T. Aihara and Y. Mizuno, Classifying tilting complexes over preprojective algebras of Dynkin type, Algebra Number Theory 11 (2017), 1287–1315, doi:10.2140/ant.2017.11.1287
[Ch] F. Chapoton, On the categories of modules over the Tamari posets, in: F. Müller-Hoissen, J. M. Pallo and J.Stasheff (eds.): Associahedra, Tamari Lattices and Related Structures, 269–280, doi:10.1007/978-3-0348-0405-9_13
[CLR] F. Chapoton, S. Ladkani and B. Rognerud, On derived equivalences for categories of generalized intervals of a finite poset, arXiv:1801.05154
[En] H. Enomoto, Classifications of exact structures and Cohen-Macaulay-finite algebras, arXiv:1705.02163
[GP] Ch. Geiß and J. A. de la Peña, Auslander-Reiten components for clans, Boll. Soc. Mat. Mexicana 5 (1999), 307–326
[KV] H. Krause und D. Vossieck, Length categories of infinite height, to appear in: J. F. Carlson, S. B. Iyengar and J. Pevtsova (eds.): Geometric and topological aspects of group representations, arXiv:1702.05415