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:6827f74fe75d3 DTSTART;TZID=America/Toronto:20200312T143000 SEQUENCE:0 TRANSP:TRANSPARENT DTEND;TZID=America/Toronto:20200312T143000 URL:/combinatorics-and-optimization/events/algebraic-co mbinatorics-seminar-david-wagner-2 SUMMARY:Algebraic Combinatorics Seminar - David Wagner CLASS:PUBLIC DESCRIPTION:Summary \n\nTITLE: Proof of the monotone column permanent conj ecture\n\nSpeaker:\n David Wagner\n\nAffiliation:\n University of À¶Ý®ÊÓÆµ \n\nRoom:\n MC 5417\n\nABSTRACT: \n\nIn 1993\, Jim Haglund conjectured th e following.  If  A  is a \nsquare matrix of real numbers which are we akly decreasing down each\ncolumn\, and J is the all-ones matrix of the sa me size\, then the\npermanent of the matrix xJ+A is a polynomial with only real roots.\n DTSTAMP:20250517T024119Z END:VEVENT END:VCALENDAR