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:69e0f00e21ca3
DTSTART;TZID=America/Toronto:20190329T153000
SEQUENCE:0
TRANSP:TRANSPARENT
DTEND;TZID=America/Toronto:20190329T153000
URL:https://uwaterloo.ca/combinatorics-and-optimization/events/tutte-distin
 guished-lecture-bojan-mohar
LOCATION:MC - Mathematics & Computer Building 200 University Avenue West 55
 01 Waterloo ON N2L 3G1 Canada
SUMMARY:Tutte Distinguished Lecture - Bojan Mohar
CLASS:PUBLIC
DESCRIPTION:[Image of Professor Bojan Mohar]\n\nTITLE: Toward a Theory of 
 Crossing-Critical Graphs\n\nSpeaker:\n Bojan Mohar\n\nAffiliation:\n Simon
  Fraser University\n\nRoom:\n MC 5501\n\nABSTRACT: \n\nThe crossing numbe
 r of a graph is defined as the minimum number of\ncrossings of edges in a 
 drawing of the graph in the plane. In his\nseminal 1970 paper Toward a The
 ory of Crossing Numbers\, Tutte made a\nfundamental contribution by provin
 g what is known today as the\nHanani-Tutte Theorem.
DTSTAMP:20260416T141958Z
END:VEVENT
END:VCALENDAR