Kauffman bracket intertwiners and the volume conjecture

The volume conjecture relates the quantum invariant and the hyperbolic geometry. Bonahon, Wong and Yang introduced a new version of the volume conjecture by using the intertwiners between two isomorphic irreducible representations of the skein algebra. The intertwiners are built from surface diffeomorphisms; they formulated the volume conjecture when diffeomorphisms are pseudo-Anosov. We explicitly calculate all the intertwiners for the closed torus using an algebraic embedding from the skein algebra of the closed torus to a quantum torus, and show the limit superior related to the trace of these intertwiners is zero. Moreover, we consider the periodic diffeomorphisms for surfaces with negative Euler characteristic, and conjecture the corresponding limit is zero because the simplicial volume of the mapping tori for periodic diffeomorphisms is zero. For the once punctured torus, we make precise calculations for intertwiners and prove our conjecture.

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Publication Details

Journal
Algebraic & Geometric Topology
Published
2025-08-11
DOI
https://doi.org/10.2140/agt.2025.25.2143
Primary Topic
Geometric and Algebraic Topology
Type
article
Field-Weighted Citation Impact
0.00
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article

Kauffman bracket intertwiners and the volume conjecture

Zhihao Wang
Algebraic & Geometric Topology
Geometric and Algebraic Topology
article

Kauffman bracket intertwiners and the volume conjecture

Zhihao Wang
article en

Abstract

The volume conjecture relates the quantum invariant and the hyperbolic geometry. Bonahon, Wong and Yang introduced a new version of the volume conjecture by using the intertwiners between two isomorphic irreducible representations of the skein algebra. The intertwiners are built from surface diffeomorphisms; they formulated the volume conjecture when diffeomorphisms are pseudo-Anosov. We explicitly calculate all the intertwiners for the closed torus using an algebraic embedding from the skein algebra of the closed torus to a quantum torus, and show the limit superior related to the trace of these intertwiners is zero. Moreover, we consider the periodic diffeomorphisms for surfaces with negative Euler characteristic, and conjecture the corresponding limit is zero because the simplicial volume of the mapping tori for periodic diffeomorphisms is zero. For the once punctured torus, we make precise calculations for intertwiners and prove our conjecture.

Algebraic & Geometric TopologyVol. 25(4)
University of Groningen (NL)
Openalex Percentile: Top 72%
Geometric and Algebraic Topology
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Kauffman bracket intertwiners and the volume conjecture — Zhihao Wang · Algebraic & Geometric Topology (2025) | TGRS Research Map | TGRS