On the relation between the Turaev-Viro model and the Crane-Yetter model:
On spin networks,
Comm. Math. Phys. (2006) 279, pp. 381-399, (arXiv:gr-qc/0612137, doi:10.1007/s00220-008-0422-8)
On the Yetter invariant,
(TAC)
On 2-crossed modules, 2-crossed complexes and the maps and homotopies between such,
Joao Faria Martins, The fundamental 2-crossed complex of a reduced CW-complex, Homology Homotopy Appl. 13(2): 129-157 (2011) (web pdf.)
Björn Gohla? and João Faria Martins, Pointed homotopy and pointed lax homotopy of 2-crossed module maps, Advances in Mathematics, (248), (2013), Pages 986 - 1049, doi
On motion groupoids and mapping class groups:
On Quinn’s finite homotopy field theory:
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