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math.QA2002
Asymptotics and 6j-symbols
Justin Roberts
Recent interest in the Kashaev-Murakami-Murakami hyperbolic volume conjecture has made it seem important to be able to understand the asymptotic behaviour of certain special functi…
math.QA2001
Rozansky-Witten theory
Justin Roberts
Rozansky and Witten proposed in 1996 a family of new three-dimensional topological quantum field theories, indexed by compact (or asymptotically flat) hyperkaehler manifolds. As a…
math.QA1999
Irreducibility of some quantum representations of mapping class groups
Justin Roberts
The SU(2) TQFT representation of the mapping class group of a closed surface of genus g, at a root of unity of prime order, is shown to be irreducible. Some examples of reducible r…