Semi-abelian categories
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 Nigel Burke Thursday 21 January 2016, 14:00-15:00 CMS, MR13.
If you have a question about this talk, please contact Sean Moss.
Just as abelian categories are an abstract setting for modules over a ring, semi-abelian categories are designed to be an abstract setting for groups and similar algebraic structures. I will give an introduction to semi-abelian categories and show how to define commutativity and semi-direct products in them in a way familiar from groups.
This talk is part of the Junior Category Theory Seminar series.
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