The non-dualizable quasi-monodromic categorical representation conjecture
The non-dualizable quasi-monodromic categorical representation conjecture
Let be a group, let denote the quasi-monodromic sheaf category, and write for the category of categorical representations of . Let
be the indicated composition, and let be the functor sending a DG category to its underlying object of . The non-dualizable quasi-monodromic categorical representation conjecture. The essential image of the composition consists of those objects of for which the underlying object of lies in the essential image of . This conjecturally removes the dualizability assumption from the preceding theorem and would give a direct-sum decomposition into quasi-monodromic pieces for every such categorical representation.
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Primary source
D. Gaitsgory, N. Rozenblyum and Y. Varshavsky, “Applications of (higher) categorical trace II: Deligne-Lusztig theory”, arXiv:2603.26957 (2026).
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