229 citations · 827 across the 21 of their papers we have counts for
Showing math.QAShow all
3 papers · 1 filter
math.QA2021
A universal state sum
Kevin Walker
We define a universal state sum construction which specializes to most previously known state sums (Turaev-Viro, Dijkgraaf-Witten, Crane-Yetter, Douglas-Reutter, Witten-Reshetikhin…
math.QA2019★ 13 cited
Invariants of 4-manifolds from Khovanov-Rozansky link homology
Scott Morrison, Kevin Walker, Paul Wedrich
We use Khovanov-Rozansky gl(N) link homology to define invariants of oriented smooth 4-manifolds, as skein modules constructed from certain 4-categories with well-behaved duals. Th…
math.QA2008
On Picture (2+1)-TQFTs
M. Freedman, C. Nayak, K. Walker +1
The goal of the paper is an exposition of the simplest -TQFTs in a sense following a pictorial approach. In the end, we fell short on details in the later sections where new…