Commutation conjecture for the four-point DT operator and the normalized R-matrix

Let F\mathsf{F} be the Fock space, let RRF,FFH\mathsf{RR}^{H}_{\mathsf{F},\mathsf{F}\otimes\mathsf{F}} denote the four-point operator in cohomological DT theory, and let R~\widetilde{\mathsf{R}} be a normalization of the R-matrix satisfying R~RF,F(1)End(FF)\widetilde{\mathsf{R}}\propto\mathsf{R}_{\mathsf{F},\mathsf{F}}(1)\in\operatorname{End}(\mathsf{F}\otimes\mathsf{F}). Commutation conjecture. The operators commute:

RRF,FFHR~(23)=R~(23)RRF,FFH.\mathsf{RR}^{H}_{\mathsf{F},\mathsf{F}\otimes\mathsf{F}}\widetilde{\mathsf{R}}^{(23)}=\widetilde{\mathsf{R}}^{(23)}\mathsf{RR}^{H}_{\mathsf{F},\mathsf{F}\otimes\mathsf{F}}.

This is presented as the analogue of the RTT relation for the four-point operator. The supplied passage gives no resolution or further evidence for this cohomological statement.

Sources & referencesView supporting material

Primary source

Henry Liu, “A Representation-Theoretic Approach to qq-Characters”, arXiv:2203.07072 (2022).

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