BEGIN:VCALENDAR
VERSION:2.0
PRODID:researchseminars.org
CALSCALE:GREGORIAN
X-WR-CALNAME:researchseminars.org
BEGIN:VEVENT
SUMMARY:Jae Choon Cha (POSTECH)
DTSTART:20250417T141500Z
DTEND:20250417T151500Z
DTSTAMP:20260423T024023Z
UID:k-os/69
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/k-os/69/">On
  Calegari’s homotopy 4-spheres</a>\nby Jae Choon Cha (POSTECH) as part o
 f [K-OS] Knot online seminar\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/k-os/69/
END:VEVENT
END:VCALENDAR