Asymptotics of the quantum invariants for surgeries on the figure 8 knot

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dc.creatorAndersen, Jorgen Ellegaard
dc.creatorHansen, Soren Kold
dc.date2005-06-22
dc.date.accessioned2026-07-07T05:20:55Z
dc.date.available2026-07-07T05:20:55Z
dc.descriptionWe investigate the Reshetikhin--Turaev invariants associated to SU(2) for the 3-manifolds M obtained by doing any rational surgery along the figure 8 knot. In particular, we express these invariants in terms of certain complex double contour integrals. These integral formulae allow us to propose a formula for the leading asymptotics of the invariants in the limit of large quantum level. We analyze this expression using the saddle point method. We construct a certain surjection from the set of stationary points for the relevant phase functions onto the space of conjugacy classes of nonabelian SL(2,C)-representations of the fundamental group of M and prove that the values of these phase functions at the relevant stationary points equal the classical Chern--Simons invariants of the corresponding flat SU(2)-connections. Our findings are in agreement with the asymptotic expansion conjecture. Moreover, we calculate the leading asymptotics of the colored Jones polynomial of the figure 8 knot following R. Kashaev. This leads to a slightly finer asymptotic description of the invariant than predicted by the volume conjecture of Kashaev and H. Murakami and J. Murakami.
dc.description70 pages, to appear in Journal of Knot Theory and Its Ramifications
dc.identifierhttps://arxiv.org/abs/math/0506456
dc.identifierhttp://arxiv.org/abs/math/0506456
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/75557
dc.subjectQuantum Algebra
dc.subjectGeometric Topology
dc.subject57M27 (Primary) 58J28,41A60 (Secondary)
dc.titleAsymptotics of the quantum invariants for surgeries on the figure 8 knot
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