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Strong promonoidal functors are defined. Left Kan extension (also called "existential quantification") along a strong promonoidal functor is shown to be a strong monoidal functor. A construction for the free monoidal category on a promonoidal category is provided. A Fourier-like transform of presheaves is defined and shown to take convolution product to cartesian product.
@article{TAC_1995_1_a3, author = {Brian Day and Ross Street}, title = {Kan extensions along promonoidal functors}, journal = {Theory and applications of categories}, pages = {72--78}, publisher = {mathdoc}, volume = {1}, year = {1995}, language = {en}, url = {http://geodesic.mathdoc.fr/item/TAC_1995_1_a3/} }
Brian Day; Ross Street. Kan extensions along promonoidal functors. Theory and applications of categories, Tome 1 (1995), pp. 72-78. http://geodesic.mathdoc.fr/item/TAC_1995_1_a3/