Consider two actions of π°{\mathcal{U}} given by (F1,Ο1)(F_{1},\tau_{1}) and (E2,Ο2)(E_{2},\tau_{2}) on π±{\mathcal{V}} and a closed morphism of functors Ξ»:F1βE2βE2βF1\lambda:F_{1}E_{2}\to E_{2}F_{1} such that the following diagrams commute:
Andrew Manion, Raphael Rouquier
Original source: arXiv:2009.09627v2
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