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Elementary embeddings of the universe for category theory

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  • UserDr Andrew Brooke-Taylor
  • ClockThursday 29 October 2015, 14:00-15:00
  • HouseCMS, MR13.

If you have a question about this talk, please contact Sean Moss .

Elementary embeddings crop up from time to time in category theory as nice homomorphisms, but from a set theoretic perspective there’s a whole lot more to them than that. I will show how an elementary embedding of your universe (which will exist under suitable strong axioms) can be a powerful tool, for example in obtaining colimit preservation theorems.

This talk is part of the Junior Category Theory Seminar series.

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