The twisted Fukaya-category conjecture for normal crossings surfaces
The twisted Fukaya-category conjecture for normal crossings surfaces
Let be a proper normal crossings surface with graph-like singular locus described by a trivalent graph and orientable dual intersection complex. For each edge whose component of the singular locus is isomorphic to , set
Let be a Riemann surface with a pants decomposition whose graph is , and let be the graded symplectic manifold obtained by the stated cut-and-reglue construction. Twisted Fukaya-category conjecture. There is an equivalence
The right-hand category carries an autoequivalence and a natural isomorphism , giving a -twisted -periodic structure. This conjecturally extends the mirror description to nonzero degrees along the singular components.
Sources & referencesView supporting material
Primary source
James Pascaleff and Nicolò Sibilla, “Singularity categories of normal crossings surfaces, descent, and mirror symmetry”, arXiv:2208.03896 (2022).
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