Strong finiteness conjecture for Kauffman bracket skein modules

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Let MM be a compact oriented 3-manifold. An essential subsurface is a subsurface Σi\subsetpartialM\Sigma_i\subsetpartial M as in the conjecture. Let Σ1,…,Σk\Sigma_1,\dots,\Sigma_k be a finite collection of such subsurfaces, and let F1,…,FkF_1,\dots,F_k be subspaces of the skein module S(M)\mathcal{S}(M).

Strong finiteness conjecture. There exists a finite collection Σ1,…,Σk\Sigma_1,\dots,\Sigma_k of essential subsurfaces Σi\subsetpartialM\Sigma_i\subsetpartial M such that, for each ii, the dimension of H1(Σi,Q)H_1(\Sigma_i,\mathbb{Q}) is half of that of H1(∂M,Q)H_1(\partial M,\mathbb{Q}), and S(M)\mathcal{S}(M) is a sum of finitely many subspaces F1,…,FkF_1,\dots,F_k, where FiF_i is a finitely generated S(Σi,Q(A))\mathcal{S}(\Sigma_i,\mathbb{Q}(A))-module.

This is presented as a more general formulation of the finiteness conjecture for manifolds with boundary. Its general validity is not established in the source; the paper proves the original finiteness conjecture for a large family of Seifert fibered spaces.

References

Primary source

José Román Aranda and Nathaniel Ferguson, “Generating sets for the Kauffman skein module of a family of Seifert fibered spaces”, arXiv:2105.07356 (2021).

Additional references

2 papers in this index state this conjecture (2019–2021). The statement above is taken from the most recent of them; the others are arXiv:1903.07686.

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