38 citations · 107 across the 6 of their papers we have counts for
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math.QA2009★ 38 cited
Higher-Dimensional Algebra VII: Groupoidification
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.RT2009★ 6 cited
Nilpotency in type A cyclotomic quotients
Alexander E. Hoffnung, Aaron D. Lauda
We prove a conjecture made by Brundan and Kleshchev on the nilpotency degree of cyclotomic quotients of rings that categorify one-half of quantum sl(k).