BEGIN:VCALENDAR VERSION:2.0 PRODID:-//132.216.98.100//NONSGML kigkonsult.se iCalcreator 2.20.4// BEGIN:VEVENT UID:20260601T175602EDT-5641Xnj63O@132.216.98.100 DTSTAMP:20260601T215602Z DESCRIPTION:Title: A weak Tits alternative for groups acting on buildings. \n\nAbstract: We show that groups acting properly and cocompactly by type- preserving automorphisms on buildings satisfy a weak Tits alternative: the y are either virtually abelian or contain a non-abelian free subgroup. Thi s is joint work with Damian Osajda and Piotr Przytycki.\n DTSTART:20230913T190000Z DTEND:20230913T200000Z LOCATION:Room 920\, Burnside Hall\, CA\, QC\, Montreal\, H3A 0B9\, 805 rue Sherbrooke Ouest SUMMARY:Christopher Karpinski (91ºÚÁÏÍø) URL:/mathstat/channels/event/christopher-karpinski-mcg ill-university-350817 END:VEVENT END:VCALENDAR