Categorical DT wall-crossing conjecture for MNOP and stable-pair theories

Fix (β,n)(\beta,n) and choose stability parameters t1>t2>>tN>0t_1>t_2>\cdots>t_N>0 away from the finitely many walls. Let In(X,β)I_n(X,\beta) be the MNOP moduli space, Pn(X,β)P_n(X,\beta) the stable-pair moduli space, and Pn(X,β)tiP_n(X,\beta)_{t_i} the moduli spaces for the corresponding stability parameters. Write DTC()\mathcal{DT}^{\mathbb{C}^{\ast}}(-) for the associated C\mathbb{C}^{\ast}-equivariant categorical DT theories. Categorical DT wall-crossing conjecture. There exist fully faithful functors

DTC(Pn(X,β)tN)DTC(Pn(X,β)t1)DTC(Pn(X,β))DTC(In(X,β)).\mathcal{DT}^{\mathbb{C}^{\ast}}(P_n(X,\beta)_{t_N})\hookrightarrow\cdots\hookrightarrow\mathcal{DT}^{\mathbb{C}^{\ast}}(P_n(X,\beta)_{t_1})\hookrightarrow\mathcal{DT}^{\mathbb{C}^{\ast}}(P_n(X,\beta))\hookrightarrow\mathcal{DT}^{\mathbb{C}^{\ast}}(I_n(X,\beta)).

This packages the expected categorical behavior of the d-critical minimal model program for MNOP/PT wall crossing; the source gives no general resolution.

Sources & referencesView supporting material

Primary source

Yukinobu Toda, “Categorical Donaldson-Thomas theory for local surfaces”, arXiv:1907.09076 (2021).

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