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:20201101T060000 END:STANDARD END:VTIMEZONE BEGIN:VEVENT UID:6832caf2e56ba DTSTART;TZID=America/Toronto:20201105T130000 SEQUENCE:0 TRANSP:TRANSPARENT DTEND;TZID=America/Toronto:20201105T130000 URL:/combinatorics-and-optimization/events/algebraic-co mbinatorics-seminar-jonathan-jedwab SUMMARY:Algebraic Combinatorics Seminar - Jonathan Jedwab CLASS:PUBLIC DESCRIPTION:Summary \n\nTITLE: Packings of partial difference sets\n\nSpea ker:\n Jonathan Jedwab\n\nAffiliation:\n Simon Fraser University\n\nZoom:\ n Contact Karen Yeats\n\nABSTRACT:\n\nPartial difference sets are highly s tructured group subsets that occur\nin various guises throughout design th eory\, finite geometry\, coding\ntheory\, and graph theory. They admit onl y two possible nontrivial\ncharacter sums and so are often studied using c haracter theory.\n DTSTAMP:20250525T074658Z END:VEVENT END:VCALENDAR