DisCoPy: Monoidal Categories in Python

Giovanni de Felice
Alexis Toumi
Bob Coecke

We introduce DisCoPy, an open source toolbox for computing with monoidal categories. The library provides an intuitive syntax for defining string diagrams and monoidal functors. Its modularity allows the efficient implementation of computational experiments in the various applications of category theory where diagrams have become a lingua franca. As an example, we used DisCoPy to perform natural language processing on quantum hardware for the first time.

In David I. Spivak and Jamie Vicary: Proceedings of the 3rd Annual International Applied Category Theory Conference 2020 (ACT 2020), Cambridge, USA, 6-10th July 2020, Electronic Proceedings in Theoretical Computer Science 333, pp. 183–197.
Published: 8th February 2021.

ArXived at: http://dx.doi.org/10.4204/EPTCS.333.13 bibtex PDF
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