Quiver Hecke categorification conjecture for K-theoretic Coulomb branches

From papers

Let Γ\Gamma be an ADE root system, let QQ be an orientation of its Dynkin diagram, and let α=iQ0niαi\alpha=\sum_{i\in Q_0}n_i\alpha_i be a positive root. Set G=iQ0GLniG=\prod_{i\in Q_0}GL_{n_i} and N=ijQ1Hom(Cni,Cnj)N=\bigoplus_{i\to j\in Q_1}\operatorname{Hom}(\mathbb{C}^{n_i},\mathbb{C}^{n_j}). Let Cw,vC_{w,v} be the specified monoidal subcategory of finite-dimensional graded modules over the quiver Hecke algebra of affine type Γ(1)\Gamma^{(1)}, and let KPG,Nη\mathcal{KP}^{\eta}_{G,N} be the corresponding localized canonical-basis category. Quiver Hecke categorification conjecture. There is a monoidal functor

Cw,vKPG,NηC_{w,v}\longrightarrow\mathcal{KP}^{\eta}_{G,N}

which takes distinct simples to distinct simples. In particular, the bases defined by the classes of simples in each category coincide, up to inverting certain classes of simples in Cw,vC_{w,v}. This is proposed for quiver gauge theories whose Coulomb branches are related to open Richardson varieties and quiver Hecke algebra module categories; the source gives no resolution.

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Sources & referencesView supporting material

Primary source

Sabin Cautis and Harold Williams, “Canonical bases for Coulomb branches of 4d N=2 gauge theories”, arXiv:2306.03023 (2023).

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