Winter 2021/22
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Joint working group (Bonn-Paris): Topics in hyperkähler geometry.
Friday 10:00-12:00 The seminar will be organized as a hybrid event. In Bonn, the talks will be delivered/streamed in Lipschitz Saal, Endenicher Allee 60.
19 November: Gushel-Mukai varieties I (Pietro Beri & Dominique Mattei) notes
26 November: Derived categories of Gushel-Mukai varieties (Dmitrii Pirozhkov) notes
3 December: Gushel-Mukai varieties II (Pietro Beri & Olivier Debarre) notes
10 December: Characteristic foliations (Fabrizio Anella & Daniel Huybrechts) notes
17 December: Dual fibrations (Thorsten Beckmann & Daniel Huybrechts) notes
14 January: Vector bundles on hyperkähler manifolds (Alessio Bottini & Emanuele Macrì)
21 January: Integral Hodge conjecture (Ignacio Barros & Claire Voisin)
Zoom: https://uni-bonn.zoom.us/j/99037487887?pwd=TVZkNm9sTXZzMkJPMjNKZjdnTExrUT09
Meeting-ID: 990 3748 7887
Kenncode: 596770
Summer 2021
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Joint working group (Bonn-Paris): Topics in hyperkähler geometry
The notes of the talks can be downloaded here.
Friday 10:00-12:00
16 April: F. Anella & D. Huybrechts: Semipositive line bundles (Campana-Peternell-Oguiso and Verbitsky)
23 April: A. Bottini: Looijenga-Lunts algebra and Verbitsky's theorem
30 April: P. Beri & O. Debarre: Betti numbers (Guan, Salamon,...)
14 May: M. Varesco & C. Voisin: Kuga-Satake (classical theory and work of Markman-O'Grady)
21 May: T. Beckmann: Derived categories and derived monodromy (work of Taelman)
4 June: D. Huybrechts & M. Mauri: Lagrangian fibrations (Matsushita, Shen & Yin)
11 June: G. Oberdieck & J. Song: Representation theory and cohomology (Green-Kim-Laza-Robles)
Fall 2020
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Joint working group (Bonn-Paris):