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:20221106T060000 END:STANDARD END:VTIMEZONE BEGIN:VEVENT UID:682e3f6e98c7c DTSTART;TZID=America/Toronto:20230518T150000 SEQUENCE:0 TRANSP:TRANSPARENT DTEND;TZID=America/Toronto:20230518T150000 URL:/combinatorics-and-optimization/events/graphs-and-m atroids-seminar-jeronimo-valencia-porras SUMMARY:Graphs and Matroids Seminar - Jerónimo Valencia Porras CLASS:PUBLIC DESCRIPTION:Summary \n\nTITLE: Snake decomposition of lattice path matroids \n\nSpeaker:\n Jerónimo Valencia Porras \n\nAffiliation:\n University of À¶Ý®ÊÓÆµ\n\nLocation:\n MC 5501\n\nABSTRACT: Lattice path matroids (LPMs) are positroids whose base\npolytopes have a nice decomposition. We provid e a geometric\nperspective to this decomposition in terms of fences and th eir order\npolytopes\, which correspond to a certain class of LPMs we call snakes.\n\n DTSTAMP:20250521T210238Z END:VEVENT END:VCALENDAR