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:20200308T070000 END:DAYLIGHT BEGIN:STANDARD TZNAME:EST TZOFFSETFROM:-0400 TZOFFSETTO:-0500 DTSTART:20191103T060000 END:STANDARD END:VTIMEZONE BEGIN:VEVENT UID:683254c9d9a6b DTSTART;TZID=America/Toronto:20201021T163000 SEQUENCE:0 TRANSP:TRANSPARENT DTEND;TZID=America/Toronto:20201021T163000 URL:/combinatorics-and-optimization/events/joint-colloq uium-pmathco-nick-olson-harris SUMMARY:Joint Colloquium PMath+CO - Nick Olson-Harris CLASS:PUBLIC DESCRIPTION:Summary \n\nTITLE: On the Theory of the Analytical Forms calle d Trees\n\nSpeaker:\n Nick Olson-Harris\n\nAffiliation:\n University of Wa terloo\n\nZoom:\n Contact Maxwell Levit\n\nABSTRACT:\n\nTrees are among th e most fundamental of combinatorial structures.\nNowadays they appear all over mathematics and computer science\, but\nthis has not always been the case. Trees were first introduced\, at\nleast under that name\, in an 1857 paper of Cayley by the same title as\nthis talk. \n DTSTAMP:20250524T232249Z END:VEVENT END:VCALENDAR