2010Zurich Open Repository and Archive (University of Zurich)Open access

On the integrality of Witten-Reshetikhin-Turaev 3-manifold invariants

Anna Beliakova, Qi Chen, Thang T. Q. Lê

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Abstract

We prove that the SU.(2) Witten-Reshetikhin-Turaev invariant of any 3-manifold with any colored link inside at any root of unity is an algebraic integer. As a byproduct, we get a new proof of the integrality of the SO.(3) Witten-Reshetikhin-Turaev invariant for any 3-manifold with any colored link inside at any root of unity of odd order.

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We prove that the SU.(2) Witten-Reshetikhin-Turaev invariant of any 3-manifold with any colored link inside at any root of unity is an algebraic integer. As a byproduct, we get a new proof of the integrality of the SO.(3) Witten-Reshetikhin-Turaev invariant for any 3-manifold with any colored link inside at any root of unity of odd order.

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Available abstract

We prove that the SU.(2) Witten-Reshetikhin-Turaev invariant of any 3-manifold with any colored link inside at any root of unity is an algebraic integer. As a byproduct, we get a new proof of the integrality of the SO.(3) Witten-Reshetikhin-Turaev invariant for any 3-manifold with any colored link inside at any root of unity of odd order.

Key concepts: Manifold (fluid mechanics), Mathematics, Algebraic number, 3-manifold, Pure mathematics, Combinatorics, Mathematical analysis, Engineering

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