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We report on recent results of the authors concerning calculations of quantum invariants of Seifert 3-manifolds. These results include a derivation of the Reshetikhin-Turaev invariants of all oriented Seifert manifolds associated with an…

Geometric Topology · Mathematics 2007-05-23 Soren Kold Hansen , Toshie Takata

We derive formulas for the Reshetikhin-Turaev invariants of all oriented Seifert manifolds associated to an arbitrary complex finite dimensional simple Lie algebra $\mathfrak g$ in terms of the Seifert invariants and standard data for…

Geometric Topology · Mathematics 2007-05-23 S. K. Hansen , T. Takata

The asymptotic behavior of quantum $6j$-symbols is closely related to the volume of truncated hyperideal tetrahedra\,\cite{C}, and plays a central role in understanding the asymptotics of the Turaev-Viro invariants of $3$-manifolds. In this…

Geometric Topology · Mathematics 2021-03-23 Giulio Belletti , Tian Yang

In this article, we obtain an asymptotic expansion formula for the relative Reshetikhin-Turaev invariant in the case that the ambient 3-manifold is gained by doing rational surgery along one component of Whitehead link. In addition, we…

Geometric Topology · Mathematics 2024-12-17 Qingtao Chen , Shengmao Zhu

We consider the asymptotics of the Turaev-Viro and the Reshetikhin-Turaev invariants of a hyperbolic $3$-manifold, evaluated at the root of unity $\exp({2\pi\sqrt{-1}}/{r})$ instead of the standard $\exp({\pi\sqrt{-1}}/{r})$. We present…

Geometric Topology · Mathematics 2018-07-11 Qingtao Chen , Tian Yang

We formulate the Asymptotic Expansion Conjecture for the Witten-Reshetikhin-Turaev quantum invariants of closed oriented three manifolds. For finite order mapping tori, we study these quantum invariants via the geometric gauge theory…

Quantum Algebra · Mathematics 2011-05-02 Jørgen Ellegaard Andersen

We conjecture an upper bound on the growth of the Yokota invariant of polyhedral graphs, extending a previous result on the growth of the $6j$-symbol. Using Barrett's Fourier transform we are able to prove this conjecture in a large family…

Geometric Topology · Mathematics 2025-05-21 Giulio Belletti

We show that the renormalized quantum invariants of links and graphs in the 3-sphere, derived from tensor categories in ["Modified quantum dimensions and re-normalized link invariants", arXiv:0711.4229] lead to modified 6j-symbols and to…

Geometric Topology · Mathematics 2009-11-12 Nathan Geer , Bertrand Patureau-Mirand , Vladimir Turaev

We calculate the large quantum level asymptotic expansion of the RT-invariants associated to SU(2) of all oriented Seifert 3-manifolds X with orientable base or non-orientable base with even genus. Moreover, we identify the Chern-Simons…

Quantum Algebra · Mathematics 2007-05-23 Søren Kold Hansen

We prove the Turaev-Viro invariants volume conjecture for a "universal" class of cusped hyperbolic 3-manifolds that produces all 3-manifolds with empty or toroidal boundary by Dehn filling. This leads to two-sided bounds on the volume of…

Geometric Topology · Mathematics 2020-02-04 Giulio Belletti , Renaud Detcherry , Efstratia Kalfagianni , Tian Yang

In this paper we engage in a general study of the asymptotic expansion of the Witten-Reshetikhin-Turaev invariants of mapping tori of surface mapping class group elements. We use the geometric construction of the Witten-Reshetikhin-Turaev…

Differential Geometry · Mathematics 2018-10-30 Jørgen Ellegaard Andersen , William Elbæk Petersen

We establish the geometry behind the quantum $6j$-symbols under only the admissibility conditions as in the definition of the Turaev-Viro invariants of $3$-manifolds. As a classification, we show that the $6$-tuples in the quantum…

Geometric Topology · Mathematics 2023-08-29 Giulio Belletti , Tian Yang

We define a relative version of the Turaev-Viro invariants for an ideally triangulated compact 3-manifold with non-empty boundary and a coloring on the edges, generalizing the Turaev-Viro invariants [35] of the manifold. We also propose the…

Geometric Topology · Mathematics 2023-04-25 Tian Yang

In this paper we construct invariants of 3-manifolds "\`a la Reshetikhin-Turaev" in the setting of non-semi-simple ribbon tensor categories. We give concrete examples of such categories which lead to a family of 3-manifold invariants…

Geometric Topology · Mathematics 2017-05-17 Francesco Costantino , Nathan Geer , Bertrand Patureau-Mirand

Asymptotics of quantum $6j$ symbols corresponding to a hyperbolic tetrahedra is investigated and the first two leading terms are determined for the case that the tetrahedron has a ideal or ultra-ideal vertex. These terms are given by the…

Quantum Algebra · Mathematics 2021-04-05 Qingtao Chen , Jun Murakami

This is the third article in a series devoted to the study of the asymptotic expansions of various quantum invariants related to the twist knots. In this paper, by using the saddle point method developed by Ohtsuki and Yokota, we obtain an…

Geometric Topology · Mathematics 2024-10-21 Qingtao Chen , Shengmao Zhu

We 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…

Quantum Algebra · Mathematics 2007-05-23 Jorgen Ellegaard Andersen , Soren Kold Hansen

For a banded link $L$ in a surface times a circle, the Witten-Reshetikhin-Turaev invariants are topological invariants depending on a sequence of complex $2p$-th roots of unity $(A_p)_{p\in 2\mathbb{N}}$. We show that there exists a…

Geometric Topology · Mathematics 2016-07-05 Julien Marché , Ramanujan Santharoubane

Motivated by the Turaev-Viro invariant of 3-manifolds, we construct a formal topological invariant of closed, oriented 3-manifolds involving spherical tetrahedra as an application of the asymptotic formula of 6j symbols for the Quantum…

Geometric Topology · Mathematics 2007-05-23 Yuka U. Taylor , Christopher T. Woodward

We prove the Volume Conjecture for the relative Reshetikhin-Turaev invariants proposed in [29] for all pairs (M,K) such that M\K is homeomorphic to the complement of the figure-8 knot in S^3 with almost all possible cone angles.

Geometric Topology · Mathematics 2022-12-13 Ka Ho Wong , Tian Yang
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