The homotopy-colimit conjecture for the varieties X_C

Let C\mathcal{C} be the poset of faces and let XCX_C be the associated varieties, with the derived categories Db(XC)D^b(X_C) forming the corresponding diagram. Homotopy-colimit conjecture. The homotopy colimit

holimCCMrtDb(XC)\underrightarrow{\operatorname{holim}}^{\mathrm{Mrt}}_{C\in\mathcal{C}} D^b(X_C)

is identified with Db(Z)D^b(Z). This is part of the proposed categorical description of the geometry encoded by the perverse schober, but the supplied text gives no evidence that the assertion has been proved or disproved.

Sources & referencesView supporting material

Primary source

Alexey Bondal, Mikhail Kapranov and Vadim Schechtman, “Perverse schobers and birational geometry”, arXiv:1801.08286 (2018).

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