Periodic cyclic homology conjecture for categorical DT theory of critical loci
Periodic cyclic homology conjecture for categorical DT theory of critical loci
Let be a quasi-smooth QCA derived stack, let be its associated d-critical locus, and let be the scheme obtained by removing the specified conical closed substack. Let be the perverse sheaf of vanishing cycles with monodromy , constructed using the canonical orientation data, and let be the rank of . Periodic cyclic homology conjecture. There should be an isomorphism of -graded vector bundles on with connections
This is the precise local relation between categorical DT theory and cohomological DT theory, extending the preceding globalization conjecture; the source does not give a resolution.
Sources & referencesView supporting material
Primary source
Yukinobu Toda, “Categorical Donaldson-Thomas theory for local surfaces”, arXiv:1907.09076 (2021).
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