The SYZ conjecture on special Lagrangian fibrations

Let f ⁣:XΔ={tC0<t<1}f\colon\mathcal{X}^*\to\Delta^*=\{t\in\mathbb{C}\mid 0<|t|<1\} be a flat proper family that is a maximal degeneration, meaning that its monodromy has maximal unipotency index. Let L\mathcal{L}^* be a relatively ample line bundle, and let gKE(Xt)g_{\rm KE}(\mathcal{X}_t) be the family of Ricci-flat Kähler metrics on Xt\mathcal{X}_t for t0t\neq 0, with Kähler classes c1(Lt)c_1(\mathcal{L}_t), where Lt:=LXt\mathcal{L}_t:=\mathcal{L}|_{\mathcal{X}_t}. The SYZ conjecture on special Lagrangian fibrations. For any t1|t|\ll 1, there is a special Lagrangian fibration on Xt\mathcal{X}_t with respect to a certain meromorphic relative section of KX/ΔK_{\mathcal{X}^*/\Delta^*}. This is the special Lagrangian-fibration prediction associated with large complex structure limits and mirror symmetry; the paper states in its abstract that the Kontsevich–Soibelman conjecture is solved at an enhanced level for finite quotients of abelian varieties, but the supplied text does not establish that this full general statement is resolved.

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Primary source

Keita Goto and Yuji Odaka, “Special Lagrangian fibrations, Berkovich retraction, and crystallographic groups”, arXiv:2206.14474 (2022).

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