The Lagrangian-reduction conjecture for link augmentation varieties

Let KK be a non-split link, let KnK_n be its nnth component, and let KKnK-K_n be the remaining link. Let VK(n)V_K(n) and VKn(1)V_{K_n}(1) be the corresponding augmentation varieties, and define reduction along VKn(1)V_{K_n}(1) by projecting the intersection to the coordinates of KKnK-K_n. Lagrangian-reduction conjecture. VKKn(n1)V_{K-K_n}(n-1) is contained in this reduction; concretely,

VKKn(n1){(μ1,λ1,Q): there exist μ2,λ2C with (μ2,λ2,Q)VKn(1) and (μ1,μ2,λ1,λ2,Q)VK(n)}.V_{K-K_n}(n-1)\subset\{(\vec\mu_1,\vec\lambda_1,Q):\text{ there exist }\mu_2,\lambda_2\in\mathbb C^*\text{ with }(\mu_2,\lambda_2,Q)\in V_{K_n}(1)\text{ and }(\vec\mu_1,\mu_2,\vec\lambda_1,\lambda_2,Q)\in V_K(n)\}.

This is a proposed geometric compatibility under removing a link component; the source gives no resolution status.

Sources & referencesView supporting material

Primary source

Mina Aganagic, Tobias Ekholm, Lenhard Ng and Cumrun Vafa, “Topological Strings, D-Model, and Knot Contact Homology”, arXiv:1304.5778 (2013).

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