14 June 2018, 16:15-17:15 Algebra/Topology seminar Dolors Herbera (Universitat Autonoma de Barcelona), Big pure projective modules over local commutative noetherian rings: Comparing with the completion.
13 June 2018, 14:15-15:15 Algebra/Topology seminar Lars Winther Christensen (Texas Tech University), Quotients of the polynomial algebra in three variables.
11 June - 15 June 2018 Workshop: Secondary and delocalized index invariants The focus of the meeting will be applications of the analytic surgery group to geometry and topology, and in particular on delocalized invariants such as relative eta invariants and their higher analogues.
29 May 2018, 14:15-15:00 GAMP seminar by Elmar Schrohe (U Hannover) Title: Operator Algebras and Fredholm Criteria for Quantized Canonical Transformations.
28 May 2018, 15:15-16:15 Algebra/Topology seminar Katsuhiko Kuribayashi (Shinshu University), Eilenberg-Moore spectral sequence calculations in string topology of classifying spaces
23 May 2018, 13:15-14:15 Algebra/Topology seminar Pavel Safronov (Zurich), Categorified Grothendieck—Riemann—Roch theorem
14 May 2018, 14:15-18:00 Ganda Day 2018 Three recent results in Number Theory will be presented by members of the IRN GANDA, a partnership between France, Denmark, South Africa and Madagascar.
11 May 2018, 14:00-15:00 Number Theory Seminar Somnath Jha (IIT Kanpur) will speak about "A duality result for Selmer groups".
9 May 2018, 13:15-14:15 Operator algebra seminar Seminar talk given by George Elliott (University of Toronto): On the classification of simple C*-algebras
8 May 2018, 13:00-14:00 Operator algebra seminar Seminar talk given by Ruben Martos (Paris 7): Torsion and K-theory for some free wreath products
7 May 2018, 15:15-16:15 Algebra/Topology seminar Ben Ward (Stockholm University), Six operations formalism for generalized operads.
30 Apr. 2018, 15:15-16:15 Algebra/Topology seminar Stephen Theriault (Southampton), The based loops on connected sums of certain manifolds
30 Apr. 2018, 11:00-12:00 Operator Algebra Seminar Speaker: James Gabe, University of Glasgow. Title: Traceless AF embeddings and unsuspended E-theory.
23 Apr. 2018, 15:15-16:15 Algebra/Topology seminar Espen Nielsen (KU), Topological Hochschild homology and topological conformal field theory.
16 Apr. 2018, 15:15-16:15 Algebra/Topology seminar Alexandru Oancea, Trivializing the circle in the higher genus little discs operad
11 Apr. 2018, 15:15-16:15 Algebra/Topology seminar Neil Strickland (Sheffield), Chromatic cohomology of finite general linear groups.
9 Apr. 2018, 13:00-14:00 Number Theory Seminar Linda Frey (Basel) will talk about Explicit Small Height Bounds for infinite extensions generated by torsion points of elliptic curves.
9 Apr. - 13 Apr. 2018 Rigidity and algebraic models in stable homotopy theory Masterclass. Lecture series by John Greenlees (Sheffield) and Stefan Schwede (Bonn). Speakers: David Barnes (Belfast), Magdalena Kedziorek (Bonn), Irakli Patchkoria (Bonn), Constanze Roitzheim (Kent), and Neil Strickland (Sheffield).
5 Apr. 2018, 15:15-16:15 Operator Algebra seminar Seminar talk given by Christopher Schafhauser (University of Waterloo)
22 Mar. 2018, 15:15-16:15 GAMP seminar by Job Kuit (Paderborn) Title: Discrete series for spherical spaces.