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:20230312T070000 END:DAYLIGHT BEGIN:STANDARD TZNAME:EST TZOFFSETFROM:-0400 TZOFFSETTO:-0500 DTSTART:20231105T060000 END:STANDARD END:VTIMEZONE BEGIN:VEVENT UID:68cd0adf4d3fa DTSTART;TZID=America/Toronto:20231124T153000 SEQUENCE:0 TRANSP:TRANSPARENT DTEND;TZID=America/Toronto:20231124T153000 URL:/combinatorics-and-optimization/events/tutte-colloq uium-karen-yeats-2 SUMMARY:Tutte Colloquium - Karen Yeats CLASS:PUBLIC DESCRIPTION:Summary \n\nTITLE:聽Diagonal coefficients\, graph invariants wi th the symmetries of\nFeynman integrals\, and the proof of the c_2 complet ion conjecture\n\nSpeaker:\n Karen Yeats\n\nAffiliation:\n University of W aterloo\n\nLocation:\n MC 5501\n\nABSTRACT:聽In a scalar field theory the contribution of a Feynman\ndiagram to the beta function of the theory\, th e Feynman period\, can be\nwritten as an integral in terms of the (dual) K irchhoff polynomial of\nthe graph.\n DTSTAMP:20250919T074847Z END:VEVENT END:VCALENDAR