Mathematics – Geometric Topology
Scientific paper
2005-02-28
J. Knot Theory Ramifications 16 (2007), no 9, 1181-1217.
Mathematics
Geometric Topology
40 pages, lots of figures. Second version: Added example and discussion, clarification of the fact that the maps associated wi
Scientific paper
10.1142/S0218216507005713
We define a knot invariant and a 2-knot invariant from any finite categorical
group. We calculate an explicit example for the Spun Trefoil.
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