The trace conjecture for perverse schobers
Let be an algebraic variety or stack, and let be a conic Lagrangian. Write for the loop space, and let be the Lagrangian determined by . The categorical trace of the 2-category of perverse schobers on with singular support in should be equivalent, as an -category, to the category of sheaves on with singular support in :
This conjecture proposes an A-model description of the categorical trace of perverse schobers, motivated by 3-dimensional mirror symmetry and the expected relationship between symplectic and coherent 2-categories. The Lagrangian is only approached or constructed in special cases, so the conjecture remains open.
References
Primary source
Benjamin Gammage and Justin Hilburn, “Betti Tate's thesis and the trace of perverse schobers”, arXiv:2210.06548 (2025).
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