The dg-quiver Schur algebra quasi-isomorphism conjecture

Let (dgQbN,dN)({}_{dg}Q_b^{{\underline{N}}},d_N) be the dg-quiver Schur algebra defined as the dg-endomorphism algebra of the direct sum of the dg-enhanced modules GρNG_{\rho}^{{\underline{N}}}, and let (QbN,0)(Q_b^{{\underline{N}}},0) denote the corresponding ordinary algebra. Quasi-isomorphism conjecture. There is a quasi-isomorphism

(dgQbN,dN)(QbN,0).({}_{dg}Q_b^{{\underline{N}}},d_N)\xrightarrow{\simeq}(Q_b^{{\underline{N}}},0).

The conjecture predicts that the dg-quiver Schur algebra is quasi-isomorphic to its non-differential counterpart; the supplied text gives no resolution status.

Sources & referencesView supporting material

Primary source

Abel Lacabanne, Grégoire Naisse and Pedro Vaz, “Tensor product categorifications, Verma modules and the blob 2-category”, arXiv:2005.06257 (2020).

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