My current top candidate for a mathematical concept that should be and is not (as far as I can tell) consistently taught at the advanced undergraduate / beginning graduate level is the notion of a groupoid. Today’s post is a very brief introduction to groupoids together with some suggestions for further reading.
Archive for the ‘Galois theory’ Category
Groupoids
Posted in algebraic topology, category theory, Galois theory, group theory, tagged 2-categories, equivalence relations, group actions, groupoids, MaBloWriMo on November 1, 2012 | 7 Comments »
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