#### Volume 4, issue 1 (2004)

 1 M Atiyah, Topological quantum field theories, Inst. Hautes Études Sci. Publ. Math. (1988) MR1001453 2 R Attal, Combinatorics of non-abelian gerbes with connection and curvature, Ann. Fond. Louis de Broglie 29 (2004) 609 MR2146290 3 J Baez, Higher Yang–Mills theory arXiv:hep-th/0206130 4 J C Baez, J Dolan, Higher-dimensional algebra and topological quantum field theory, J. Math. Phys. 36 (1995) 6073 MR1355899 5 J W Barrett, Holonomy and path structures in general relativity and Yang–Mills theory, Internat. J. Theoret. Phys. 30 (1991) 1171 MR1122025 6 J W Barrett, L Crane, Relativistic spin networks and quantum gravity, J. Math. Phys. 39 (1998) 3296 MR1623582 7 L Breen, W Messing, Differential geometry of gerbes, Adv. Math. 198 (2005) 732 MR2183393 8 M Brightwell, P Turner, Representations of the homotopy surface category of a simply connected space, J. Knot Theory Ramifications 9 (2000) 855 MR1780591 9 J L Brylinski, Loop spaces, characteristic classes and geometric quantization, Progress in Mathematics 107, Birkhäuser (1993) MR1197353 10 U Bunke, P Turner, S Willerton, Gerbes and homotopy quantum field theories, Algebr. Geom. Topol. 4 (2004) 407 MR2077672 11 A Caetano, R F Picken, An axiomatic definition of holonomy, Internat. J. Math. 5 (1994) 835 MR1298997 12 K Gawędzki, Topological actions in two-dimensional quantum field theories, from: "Nonperturbative quantum field theory (Cargèse, 1987)", NATO Adv. Sci. Inst. Ser. B Phys. 185, Plenum (1988) 101 MR1008277 13 K Gawędzki, N Reis, WZW branes and gerbes, Rev. Math. Phys. 14 (2002) 1281 MR1945806 14 J Giraud, Cohomologie non abélienne, Die Grundlehren der mathematischen Wissenschaften 179, Springer (1971) MR0344253 15 N Hitchin, Lectures on special Lagrangian submanifolds, from: "Winter School on Mirror Symmetry, Vector Bundles and Lagrangian Submanifolds (Cambridge, MA, 1999)", AMS/IP Stud. Adv. Math. 23, Amer. Math. Soc. (2001) 151 MR1876068 16 M Mackaay, R Picken, Holonomy and parallel transport for abelian gerbes, Adv. Math. 170 (2002) 287 MR1932333 17 A Miković, Spin foam models of matter coupled to gravity, Classical Quantum Gravity 19 (2002) 2335 MR1902230 18 R Picken, P Semião, A classical approach to TQFTs arXiv:math.QA/0212310 19 G Rodrigues, Homotopy quantum field theories and the homotopy cobordism category in dimension $1+1$, J. Knot Theory Ramifications 12 (2003) 287 MR1983087 20 G Segal, Classifying spaces and spectral sequences, Inst. Hautes Études Sci. Publ. Math. (1968) 105 MR0232393 21 G Segal, Two-dimensional conformal field theories and modular functors, from: "IXth International Congress on Mathematical Physics (Swansea, 1988)", Hilger (1989) 22 MR1033753 22 G Segal, Topological structures in string theory, R. Soc. Lond. Philos. Trans. Ser. A Math. Phys. Eng. Sci. 359 (2001) 1389 MR1853627 23 G Segal, The definition of conformal field theory, from: "Topology, geometry and quantum field theory", London Math. Soc. Lecture Note Ser. 308, Cambridge Univ. Press (2004) 421 MR2079383 24 V Turaev, Homotopy field theory in dimension 2 and group-algebras arXiv:math.QA/9910010 25 P Turner, A functorial approach to differential characters, Algebr. Geom. Topol. 4 (2004) 81 MR2031913 26 E Witten, Topological quantum field theory, Comm. Math. Phys. 117 (1988) 353 MR953828