38 citations · 107 across the 6 of their papers we have counts for
Showing 2008Show all
2 papers · 1 filter
math.QA2008★ 8 cited
Groupoidification Made Easy
John C. Baez, Alexander E. Hoffnung, Christopher D. Walker
Groupoidification is a form of categorification in which vector spaces are replaced by groupoids, and linear operators are replaced by spans of groupoids. We introduce this idea wi…
math.DG2008
Convenient Categories of Smooth Spaces
John C. Baez, Alexander E. Hoffnung
A "Chen space" is a set X equipped with a collection of "plots" - maps from convex sets to X - satisfying three simple axioms. While an individual Chen space can be much worse than…