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:69fa3130e2c6a
DTSTART;TZID=America/Toronto:20240304T133000
SEQUENCE:0
TRANSP:TRANSPARENT
DTEND;TZID=America/Toronto:20240304T143000
URL:https://uwaterloo.ca/pure-mathematics/events/grad-student-colloquium-5
SUMMARY:Grad Student Colloquium
CLASS:PUBLIC
DESCRIPTION:KIERAN MASTEL\, DEPARTMENT OF PURE MATHEMATICS\, UNIVERSITY OF 
 WATERLOO\n\n\"AN APERIODIC MONOTILE\"\n\nLast year\, David Smith\, Joseph 
 Samuel Myers\, Craig S. Kaplan\, and\nChaim Goodman-Strauss found the firs
 t example of an aperiodic monotile\n(or ‘einstein’)\, solving a longst
 anding open problem. We will look\nat the ‘hat’ tile they define and t
 ry to visually understand why\nit tiles the plane and why none of its tili
 ngs are periodic.\n\nMC 5501
DTSTAMP:20260505T180432Z
END:VEVENT
END:VCALENDAR