On Kauffman bracket skein modules of marked 3-manifolds and the Chebyshev-Frobenius homomorphism

Thang T. Q. Le; Jonathan Paprocki

doi:10.2140/agt.2019.19.3453

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arXiv · 1804.09303

On Kauffman bracket skein modules of marked 3-manifolds and the Chebyshev-Frobenius homomorphism

Thang T. Q. Le·Jonathan Paprocki

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Abstract

In this paper we study the skein algebras of marked surfaces and the skein modules of marked 3-manifolds. Muller showed that skein algebras of totally marked surfaces may be embedded in easy to study algebras known as quantum tori. We first extend Muller's result to permit marked surfaces with unmarked boundary components. The addition of unmarked components allows us to develop a surgery theory which enables us to extend the Chebyshev homomorphism of Bonahon and Wong between skein algebras of unmarked surfaces to a "Chebyshev-Frobenius homomorphism" between skein modules of marked 3-manifolds. We show that the image of the Chebyshev-Frobenius homomorphism is either transparent or skew-transparent. In addition, we make use of the Muller algebra method to calculate the center of the skein algebra of a marked surface when the quantum parameter is not a root of unity.

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Thang T. Q. Le, Jonathan Paprocki. 2018-11-09. On Kauffman bracket skein modules of marked 3-manifolds and the Chebyshev-Frobenius homomorphism. https://doi.org/10.2140/agt.2019.19.3453

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