From Fukaya categories to Gromov-Witten invariants

I will describe an analogue of Saito's theory of primitive forms for Calabi-Yau A-infinity categories. Under some conditions on the Hochschild cohomology of the category, this construction recovers the (genus zero) Gromov-Witten invariants of a symplectic manifold from its Fukaya category. This includes many Fano toric manifolds, in particular projective spaces.

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