Termine (Wintersemester 2009/10)
(see our archive of seminars for talks from previous semesters)
Dirk Kussin (Bielefeld):
Categories of vector bundles and invariant subspaces of nilpotent operators I
Mon, 19.10.2009, 14:15, V4-119
Markus Severitt (Bielefeld):
Simple Representations of Aut(k[x1,…,xn]/(x1p,…,xnp))
Mon, 26.10.2009, 14:15, V4-119
Dirk Kussin (Bielefeld):
Categories of vector bundles and invariant subspaces of nilpotent operators II
Mon, 26.10.2009, 16:00, V4-119
Dirk Kussin (Bielefeld):
Categories of vector bundles and invariant subspaces of nilpotent operators III
Mon, 2.11.2009, 14:15, V4-119
Dieter Vossieck (Bielefeld):
Multiplicative bases for subspace-finite vector space categories I
Mon, 2.11.2009, 16:00, V4-119
Helmut Lenzing (Paderborn):
A case study; pattern recognition versus proofs
Mon, 9.11.2009, 14:15 Uhr, V4-119
Dieter Vossieck (Bielefeld):
Multiplicative bases for subspace-finite vector space categories II
Mon, 9.11.2009, 16:00 Uhr, V4-119
Nathan Broomhead (Hannover):
Dimer models and NCCRs
Mon, 16.11.2009, 14:15, V4-119
Dieter Vossieck (Bielefeld):
Multiplicative bases for subspace-finite vector space categories III
Mon, 16.11.2009, 15:30, V4-119
Jan Schröer (Bonn):
Bricks over preprojective algebras
Mon, 23.11.2009, 14:15, V4-119
Lutz Hille (Münster):
Dimers and quivers I
Mon, 30.11.2009, 14:15, V4-119
Dieter Vossieck (Bielefeld):
Multiplicative Bases for subspace-finite vector space categories IV
Mon, 07.12.2009, 14:15, V4-119
Fan Xu (Bielefeld):
Hall algebras associated to odd periodic triangulated categories
Mon, 07.12.2009, 15:45, V4-119
Markus Schmidmeier (Florida Atlantic University, Boca Raton, USA):
Hall polynomials via automorphisms of short exact sequences
Montag, 14.12.2009, 14:15, V4-119
Dirk Kussin (Bielefeld):
Categories of vector bundles and invariant subspaces of nilpotent operators IV
Montag, 14.12.2009, 15:45, V4-119
Xiao-Wu Chen (Paderborn):
The stable monomorphism category of a Frobenius category
Wednesday, January 6, 2010, 13:15, V4-119
Lingling Yao (Bielefeld):
The torsionless modules of some cluster-tilted algebras
Wednesday, January 6, 2010, 14:30, V4-119
Nils Mahrt (Bielefeld):
Full subcategories of hereditary catgories which are tubes
Wednesday, January 6, 2010, 15:45, V4-119
Karin Baur (Zuerich):
Cluster Akgebren und Cluster Kategorien
07.01.2010, 14:00, V3-201
Igor Burban (Bonn):
Vektorbuendel auf Entartungen ellipischer Kurven und Yang-Baxter Gleichungen
08.01.2010, 12:00, V3-201
Christof Geiss (Mexico DF):
Cluster algebra structures for unipotent cells and preprojective algebras
08.01.2010, 10:00, V3-201
Lutz Hille (Münster):
On the irreducible components in the complement of the Richardson orbit
Monday, January 18, 2010, 14:15, V4-119
Dieter Vossieck (Bielefeld):
Dimer models I
Monday, January 18, 2010, 15:30, V4-119
Grzegorz Bobinski (Torun):
Geometry of module varieties over quasi-tilted algebras
22.01.2010, 12:00, V3-201
Dirk Kussin (Bielefeld):
Helices on del Pezzo surfaces and tilting Calabi-Yau algebras
Monday, January 25, 2010, 14:15, V4-119
Lutz Hille (Münster):
Dimer models II
Monday, January 25, 2010, 15:45, V4-119
Hideto Asashiba (Shizuoka):
Grothendieck construction and derived equivalences
Wednesday, February 17, 2010, 13:15, V4-119
Claus Michael Ringel (Bielefeld)
Am Aschermittwoch - ist alles vorbei.
32 years Representation Theory in Bielefeld.
Wednesday, February 17, 2010, 13:00, V4-119
Rafael Bocklandt (Newcastle):
Calabi-Yau algebras and quiver polyhedra
Wednesday, February 17, 2010, 14:30, V4-119
Karsten Dietrich (Paderborn):
The representation type of an EI-category algebra
Wednesday, February 17, 2010, 16:00, V4-119
R"udiger G"obel (Duisburg-Essen):
Absolute E-rings
Wednesday, February 17, 2010, 17:15, V4-119
Justyna Kosakowska (Torun):
Finite Coxeter groups
Wednesday, February 24, 2010, 14:15, V2-200
Justyna Kosakowska (Torun):
Error-correcting codes
Wednesday, February 24, 2010, 15:00, V2-200
Estanislao Herscovich (Paderborn):
Cluster algebras I
Friday, April 16, 2010, 13:15, T2-220
Karsten Dietrich (Bielefeld):
Cluster algebras II
Friday, April 16, 2010, 15:00, T2-220
Guodong Zhou (Paderborn):
Cluster categories
Friday, April 23, 2010, 13:15, T2-220
Jue Le (Paderborn):
Cluster-tilted algebras
Friday, April 23, 2010, 14:30, T2-220
Matthias Kuenzer (Aachen/Stuttgart):
From n-triangles to Heller triangulated categories (after S. Thomas)
Friday, April 23, 2010, 15:45, T2-220
Changchang Xi (Beijing):
Derived equivalences and cohomological approximations
Friday, April 23, 2010, 17:00, T2-220
Zhi Wei Li (Bielefeld):
Cluster-tilting in a general framework
Friday, April 30, 2010, 13:15, T2-220
Zhe Han (Bielefeld):
From triangulated categories to cluster algebras
Friday, April 30, 2010, 14:30, T2-220
Andrei Zelevinsky (Boston):
Cluster algebras via quivers with potentials
Friday, April 30, 2010, 16:00, T2-220
Philip Linke (Bielefeld):
Mutation in triangulated categories
Friday, May 21, 2010, 13:15, T2-220
Claudia K"ohler (Bielefeld):
Triangulated orbit categories
Friday, May 21, 2010, 14:30, T2-220
David Ploog (Berlin):
Exceptional collections, spherical twists and Coxeter functors
Friday, May 21, 2010, 16:00, T2-220
Reiner Hermann (Bielefeld):
Acyclic Calabi-Yau categories
Friday, June 4, 2010, 13:15, T2-220
Xiao-Wu Chen (Bielefeld):
Cluster categories of canonical algebras
Friday, June 4, 2010, 14:30, T2-220
Claire Amiot (Bonn):
Algebras of cluster type $\tilde{A}_n$
Friday, June 4, 2010, 16:00, T2-220
Xiao-Wu Chen (Bielefeld/Paderborn):
Friday, June 18, 2010, 13:15, T2-220
Janine Bastian (Hannover):
Derived equivalences for cluster-tilted algebras of Dynkin type D
Friday, June 18, 2010, 14:30, T2-220
Steffen Oppermann (K"oln):
Stable categories of higher preprojective algebras
Friday, June 18, 2010, 16:00, T2-220
Claudia K"ohler (Bielefeld/Paderborn):
Thick subcategories of self-injective algebras
Friday, June 25, 2010, 14:30, T2-220
Adam-Christiaan van Roosmalen (MPI-Bonn):
Hereditary categories with Serre duality generated by preprojectives
Friday, June 25, 2010, 16:00, T2-220
Sefi Ladkani (Bonn):
Perverse equivalences, mutations and applications
Friday, July 9, 2010, 13:15, T2-220
Dan Zacharia (Syracuse):
On Auslander-Reiten components for selfinjective algebras I
Friday, July 9, 2010, 14:30, T2-220
Otto Kerner (Bonn):
On Auslander-Reiten components for selfinjective algebras II
Friday, July 9, 2010, 16:00, T2-220
Julia Sauter (Leeds):
On quiver flag varieties
Friday, July 16, 2010, 13:15, T2-220
Selene Sanchez (K"oln):
The graded Lie algebra on the Hochschild cohomology of a modular group algebra
Friday, July 16, 2010, 14:30, T2-220
Gregorz Bobinsky (Torun):
The gentle algebras derived equivalent to the cluster tilted algebras
Friday, July 16, 2010, 16:00, T2-220
Guodong Zhou (Bielefeld):
The Batalin-Vilkovisky structure over the Hochschild cohomology ring of a symmetric algebra
July 23, 2010, 13:15, T2-220
Ivo Dell'Ambrogio (Singapore):
On support varieties for (G-)C*-algebras
July 23, 2010, 14:30, T2-220
Javad Asadollahi (Isfahan):
Cohomology theories based on flat modules
July 23, 2010, 16:00, T2-220
Andrew Hubery (Leeds):
Tangent spaces, Massey Products, and Applications to Representation Theory
July 16, 2010, 11:00, V5-227
Rasool Hafezi (Isfahan):
Homotopy categories arising from quiver representations
Friday, September 03, 2010, 13:15, V2-216
Xiaojin Zhang (Nanjing):
The existence of maximal orthogonal subcategories
Friday, September 03, 2010, 14:30, V2-216
Hideto Asashiba (Shizuoka):
The "derived category" of a lax functor
Friday, September 24, 2010, 10:00, V2-216
Dieter Happel (Chemnitz):
Some open problems for modules of projective dimension two and algebras of global dimension two.
Friday, October 8, 2010, 11:00-12:00, V3-201
Idun Reiten (Trondheim):
2-Calabi-Yau categories and algebras of global dimension 2.
Friday, October 8, 2010, 13:30-15:00, V3-201
Steffen Oppermann (Trondheim):
Cluster categories for algebras of global dimension 2 (aka Amiot-cluster categories) and cluster equivalence.
Friday, October 8, 2010, 15:30-16:30, V3-201
Winfried Bruns (Osnabrueck):
Projective dimension 2 in commutative noetherian rings.
Friday, October 8, 2010, 17:00-18:00, V3-201
Sefi Ladkani (Paris):
1-2-3 Global dimension.
Saturday, October 9, 2010, 09:00-10:30, V3-201
Helmut Lenzing (Paderborn):
The noncommutative projective spectrum of a free or preprojective algebra.
Saturday, October 9, 2010, 11:00-12:00, V3-201
Ed Green (Blacksburg):
Basic Tools for Computational Homological Algebra
Friday, October 22, 2010, 13:15, H8
Edward Green (Blacksburg):
Right Gröbner bases, Cohn's theorem and resolutions
Friday, October 29, 2010, 13:00, H8
Andrea Solotar (Buenos Aires):
Homological dimension of quantum generalized Weyl algebras
Friday, October 29, 2010, 14:10, H8
Yong Jiang (Bonn):
Hall algebra approach to Drinfeld's presentation of quantum loop algebras
Friday, October 29, 2010, 15:40, H8
Edward Green (Blacksburg):
Projective resolutions
Friday, November 5, 2010, 13:00, H8
Edward Green (Blacksburg):
Projective resolutions
Friday, November 12, 2010, 13:15, H8
Andrei Marcus (Cluj-Napoca):
Crossed products, Brauer groups and Clifford classes
Friday, November 12, 2010, 15:00, H8
Markus Severitt (Bielefeld):
Simple Representations of some Generalized Group Schemes of Cartan Type
Friday, November 19, 2010, 13:15, H8
Martin Kalck (Bonn):
Gentle algebras and generalized singularity categories
Friday, November 19, 2010, 15:00, H8
Felix Dietlein (Koeln):
Spectral Properties in Auslander-Reiten Theory encoded by Preprojective Algebras
Friday, November 26, 2010, 13:15, H8
Michael Barot (Mexico City):
News about constructions of Lie algebras
Friday, November 26, 2010, 14:30, H8
Chrysostomos Psaroudakis (Ioannina):
Recollements of Abelian Categories and Homological Dimensions
Friday, December 3, 2010, 13:15, H8
Jan Stovicek (Bielefeld):
A negative solution to Rosicky's problem
Friday, December 3, 2010, 14:30, H8
Adam-Christiaan van Roosmalen (Bonn):
Infinite version of cyclic quivers and tubes
Friday, December 3, 2010, 15:45, H8
Philipp Lampe (Bielefeld):
Quantum cluster algebras and the dual canonical basis
Friday, January 14, 2011, 14:00, H8
Tobias Dyckerhoff (Yale):
Matrix factorization categories of isolated hypersurface singularities
Friday, January 14, 2011, 15:15, H8

Interessenten sind herzlich eingeladen.
(Kussin, Ringel, Vossieck)