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Cartesian bicategories. II.

Carboni, A., Kelly, G.M., Walters, R.F.C., Wood, R.J. (2007)

Theory and Applications of Categories [electronic only]

Categories of functors between categories with partial morphisms

Hans-Jürgen Vogel (2005)

Discussiones Mathematicae - General Algebra and Applications

It is well-known that the composition of two functors between categories yields a functor again, whenever it exists. The same is true for functors which preserve in a certain sense the structure of symmetric monoidal categories. Considering small symmetric monoidal categories with an additional structure as objects and the structure preserving functors between them as morphisms one obtains different kinds of functor categories, which are even dt-symmetric categories.

Categorifications of the polynomial ring

Mikhail Khovanov, Radmila Sazdanovic (2015)

Fundamenta Mathematicae

We develop a diagrammatic categorification of the polynomial ring ℤ[x]. Our categorification satisfies a version of Bernstein-Gelfand-Gelfand reciprocity property with the indecomposable projective modules corresponding to xⁿ and standard modules to (x-1)ⁿ in the Grothendieck ring.

Classification of tensor products of symmetric graphs

Wilfried Imrich, Aleš Pultr (1991)

Commentationes Mathematicae Universitatis Carolinae

In the category of symmetric graphs there are exactly five closed tensor products. If we omit the requirement of units, we obtain twelve more.

Composing PROPs.

Lack, Stephen (2004)

Theory and Applications of Categories [electronic only]

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