Thomas-Yau's categorical semistability correspondence conjecture

Let XX be a Calabi-Yau manifold, let DbFuk(X)D^bFuk(X) denote its derived Fukaya category, and let Joyce's conjectural Bridgeland stability be a stability condition on this category. An almost calibrated exact Lagrangian brane is an exact Lagrangian brane whose phase stays in an interval of length strictly less than 0¸\c0; a Thomas-Yau semistable brane is one satisfying the phase inequalities for all relevant distinguished triangles. Thomas-Yau-Joyce correspondence conjecture. An almost calibrated exact Lagrangian brane LL defines a semistable object in DbFuk(X)D^bFuk(X) under Joyce's Bridgeland stability if and only if it is Thomas-Yau semistable. The claim identifies the geometric Floer-theoretic notion of semistability with categorical Bridgeland semistability; Joyce's stability condition and the required enlargement of the Fukaya category are themselves conjectural, so this correspondence is open.

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Primary source

Yang Li, “Thomas-Yau conjecture and holomorphic curves”, arXiv:2203.01467 (2022).

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