BEGIN:VCALENDAR VERSION:2.0 PRODID:-//Drupal iCal API//EN X-WR-CALNAME:Events items teaser X-WR-TIMEZONE:America/Toronto BEGIN:VTIMEZONE TZID:America/Toronto X-LIC-LOCATION:America/Toronto BEGIN:DAYLIGHT TZNAME:EDT TZOFFSETFROM:-0500 TZOFFSETTO:-0400 DTSTART:20190310T070000 END:DAYLIGHT BEGIN:STANDARD TZNAME:EST TZOFFSETFROM:-0400 TZOFFSETTO:-0500 DTSTART:20181104T060000 END:STANDARD END:VTIMEZONE BEGIN:VEVENT UID:683a5262d1bb4 DTSTART;TZID=America/Toronto:20190620T160000 SEQUENCE:0 TRANSP:TRANSPARENT DTEND;TZID=America/Toronto:20190620T160000 URL:/combinatorics-and-optimization/events/pmathco-join t-colloquium-eric-thomas-boulter SUMMARY:PMath/C&O Joint Colloquium - Eric Thomas Boulter CLASS:PUBLIC DESCRIPTION:Summary \n\nTITLE: The Parallel Postulate: a 2000-year controv ersy\n\nSpeaker:\n Eric Thomas Boulter\n\nAffiliation:\n University of Wat erloo\n\nRoom:\n MC 5501\n\nABSTRACT:\n\nEuclid's book The Elements was gr oundbreaking in its logical\nformulation of synthetic geometry\, and it is profoundly influential to\nthis day\, as it is widely considered to be th e most published\nnon-religious book in human history.\n DTSTAMP:20250531T005042Z END:VEVENT END:VCALENDAR