Representation-category conjecture for superselection sectors of the quantum double model

Let GG be a finite group. Let 4Δ44\Delta4 be the category of localised and transportable endomorphisms of the quantum double model, and let 4RepfD(G)44\operatorname{Rep}_f \mathcal{D}(G)4 be the representation category of the quantum double D(G)\mathcal{D}(G). Representation-category conjecture. There is an equivalence of categories

ΔRepfD(G).\Delta \simeq \operatorname{Rep}_f \mathcal{D}(G).

Such an equivalence would identify the superselection sectors of the quantum double model with finite-dimensional representations of the quantum double. The source presents this as a conjecture motivated by the relation between localised endomorphisms, amplimorphisms, fusion and braiding; it remains open there.

Sources & referencesView supporting material

Primary source

Pieter Naaijkens, “Kitaev's quantum double model from a local quantum physics point of view”, arXiv:1508.07170 (2015).

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