The slope-product generation conjecture for affine Soergel traces

Let nNn\in\mathbb{N}, let (mi,ni)Z×N(m_i,n_i)\in\mathbb{Z}\times\mathbb{N}, and let di1d_i\geq 1. For the affine Soergel trace category Tr(ASBimn)\operatorname{Tr}(\mathrm{ASBim}_n), write \star for its product and let Tr(ASBimn)Kar\operatorname{Tr}(\mathrm{ASBim}_n)^{\operatorname{Kar}} denote its idempotent completion. Slope-product generation conjecture. The products

Eˉm1d1,n1d1Eˉmkdk,nkdk,\bar E_{m_1d_1,n_1d_1}\star\dots\star\bar E_{m_kd_k,n_kd_k},

where inidi=n\sum_i n_id_i=n and m1/n1mk/nkm_1/n_1\leq\dots\leq m_k/n_k, generate Tr(ASBimn)Kar\operatorname{Tr}(\mathrm{ASBim}_n)^{\operatorname{Kar}}. This is a broader slope-wise generation claim for the Karoubi-completed trace category, motivated by the explicit resolutions established earlier in the source; its status is not resolved in the supplied material.

Sources & referencesView supporting material

Primary source

Eugene Gorsky and Andrei Neguţ, “Hecke categories, idempotents, and commuting stacks”, arXiv:2406.05215 (2024).

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