Haugseng, RuneHebestreit, FabianLinskens, SilNuiten, Joost2023-09-182023-09-182023-10Haugseng, R, Hebestreit, F, Linskens, S & Nuiten, J 2023, 'Lax monoidal adjunctions, two-variable fibrations and the calculus of mates', Proceedings of the London Mathematical Society, vol. 127, no. 4, pp. 889-957. https://doi.org/10.1112/plms.125480024-6115https://hdl.handle.net/2164/21685Funding Information: During the preparation of this manuscript FH and SL were members of the Hausdorff Center for Mathematics at the University of Bonn funded by the German Research Foundation (DFG), grant no. EXC 2047. FH and JN were further supported by the European Research Council (ERC) through the grants ‘Moduli spaces, Manifolds and Arithmetic’, grant no. 682922, and ‘Derived Symplectic Geometry and Applications’, grant no. 768679, respectively.69809499engQA MathematicsGeneral MathematicsQAJournal article10.1112/plms.12548http://www.scopus.com/inward/record.url?scp=85169075997&partnerID=8YFLogxK1274