About

This virtual workshop includes live presentations (using Zoom), focusing on recent developments in combinatorial aspects of arrangements, complemented by virtual coffee breaks. Registration is free but required to attend the live events; please email the organizers at <arrhome2020@uwo.ca> if you are interested.

The times listed below are Eastern Time (New York). Abstracts and titles are here; slides and recordings will be available after the meeting.

8:00-8:10 Welcome warmup video

8:10-8:50 Masahiko Yoshinaga (Hokkaido) A q-deformation of the Aomoto complex slides recording

8:50-9:10 Virtual Coffee Break

9:10-9:50 Mario Salvetti (Pisa) Some computations on the characteristic variety of a line arrangement recording

10:00-10:40 Ali Ulaş Özgür Kişisel (Ankara) The only complex 4-net is the Hesse configuration slides recording

10:40--? Small group discussions with the speakers and social time

8:00-8:30 Virtual Coffee Break

8:30-9:10 Yongqiang (Ted) Liu (Hefei) Perverse sheaves on semi-abelian varieties slides recording

9:20-10:00 Piotr Pokora (Cracow) Conic-line arrangements in the plane recording

10:00-12:30 Brunch/Lunch/Dinner Break (offline)

12:30-13:00 Virtual Coffee Break

13:00-13:40 Laurențiu Maxim (Madison) Homological duality: jumping loci, propagation, realization slides recording

13:40-- Virtual Happy Hour