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DTSTART:20240310T070000
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DTSTART:20231105T060000
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DTSTART;TZID=America/Toronto:20241008T153000
SEQUENCE:0
TRANSP:TRANSPARENT
DTEND;TZID=America/Toronto:20241008T163000
URL:https://uwaterloo.ca/pure-mathematics/events/mcmaster-waterloo-model-th
 eory-seminar-0
SUMMARY:McMaster-Waterloo Model Theory Seminar
CLASS:PUBLIC
DESCRIPTION:JOEY LAKERDAS-GAYLE\, UNIVERSITY OF WATERLOO\n\nSymmetrically i
 ndivisible and elementarily indivisible structures\n\nA first order struct
 ure M is indivisible if for every colouring of M\ninto two colours\, there
  is a monochromatic substructure N of M that is\nisomorphic to M. We will 
 consider two stronger properties: M is\nsymmetrically indivisible if N can
  be chosen so that every\nautomorphism of N extends to an automorphism of 
 M\; and M is\nelementarily indivisible if N can be chosen to be an element
 ary\nsubstructure of M. We will discuss Model-Theoretic methods developed\
 nby Kojman and Geschke (2008)\, Hasson\, Kojman\, and Onshuus (2009)\, and
 \nMeir (2019) to study the relationships between these notions.\n\nMC 5403
DTSTAMP:20260505T133129Z
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