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DTSTAMP:20260522T082410Z
DESCRIPTION:The regular category embedding theorem\n\nAbstract:I have given
  two apparently different the regular category embedding theorem. The firs
 t\, gotten by adapting the Lubkin's argument for the abelian category\, is
  rather opaque. The second\, gotten by adapting Mitchell's proof is much m
 ore elegant. Mitchell used Grothendieck's theorem that an AB5 category wit
 h a generator has an injective cogenerator. However\, the analogous result
  for regular categories fails. It turns out that full injectivity is not n
 eeded. Surprisingly\, it turns out that ``under the hood'' the two proofs 
 are really doing much the same thing. It is using functors rather than rep
 resenting diagrams that makes the difference.\n
DTSTART:20161206T193000Z
DTEND:20161206T203000Z
LOCATION:Room 920\, Burnside Hall\, CA\, QC\, Montreal\, H3A 0B9\, 805 rue 
 Sherbrooke Ouest
SUMMARY:M. Barr\, McGill
URL:https://www.mcgill.ca/mathstat/channels/event/m-barr-mcgill-264599
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