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:20180311T070000 END:DAYLIGHT BEGIN:STANDARD TZNAME:EST TZOFFSETFROM:-0400 TZOFFSETTO:-0500 DTSTART:20171105T060000 END:STANDARD END:VTIMEZONE BEGIN:VEVENT UID:6827a0bb8de27 DTSTART;TZID=America/Toronto:20180403T100000 SEQUENCE:0 TRANSP:TRANSPARENT DTEND;TZID=America/Toronto:20180403T100000 URL:/combinatorics-and-optimization/events/special-semi nar-paul-seymour SUMMARY:Special Seminar - Paul Seymour CLASS:PUBLIC DESCRIPTION:Summary \n\nTITLE: Erdos-Hajnal meets Gyarfas-Sumner\n\nSpeaker :\n Paul Seymour\n\nAffiliation:\n Princeton\n\nRoom:\n QNC 1501\n\nABSTRA CT:\n\nThe Gyarfas-Sumner conjecture says that every graph with huge (enou gh)\nchromatic number and bounded clique number contains any given forest\ nas an induced subgraph. (And non-forests do not have this property.)\n DTSTAMP:20250516T203155Z END:VEVENT END:VCALENDAR