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:6832e97cd5cc8 DTSTART;TZID=America/Toronto:20201026T113000 SEQUENCE:0 TRANSP:TRANSPARENT DTEND;TZID=America/Toronto:20201026T113000 URL:/combinatorics-and-optimization/events/algebraic-gr aph-theory-seminar-ferdinand-ihringer-0 SUMMARY:Algebraic Graph Theory Seminar - Ferdinand Ihringer CLASS:PUBLIC DESCRIPTION:Summary \n\nTITLE: Pseuodrandom Cliquefree Graphs\, Finite Geo metry\, and Spectra\n\nSpeaker:\n Ferdinand Ihringer\n\nAffiliation:\n Ghe nt University\, Belgium\n\nZoom:\n Contact Soffia Arnadottir\n\nABSTRACT:\ n\nA regular graph is called optimally pseudorandom if its second largest\ neigenvalue in absolute value is\, up to a constant factor\, as small as\n possible. Determining the largest degree of an optimally pseudorandom\ngra ph without a clique of size s is a well-known open problem in\nextremal gr aph theory.\n DTSTAMP:20250525T095716Z END:VEVENT END:VCALENDAR