The microlocal schober model for 2-categorical category O
The microlocal schober model for 2-categorical category O
Let be a sectorial conical symplectic resolution, and let denote its distinguished Lagrangian. Write and for the A- and B-model 2-categories, with canonical generators and , respectively. Let denote periodic cyclic homology, and let be the corresponding -graded category , with projective and simple objects and . Microlocal schober conjecture. There is an associated pair of 2-categories
of microlocal perverse and coherent schobers on , and
Thus periodic cyclic homology recovers the projectives and simples of the -graded category . The statement is presented as a prediction for the 2-categorical origins of category ; the surrounding discussion indicates that these 2-categories are richer than the usual 1-category, while their full construction and the conjectured identifications remain open.
Sources & referencesView supporting material
Primary source
Benjamin Gammage and Justin Hilburn, “Hypertoric 2-categories O and symplectic duality”, arXiv:2310.06172 (2025).
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