Obstructions to compositionalityPuca, Caterina; Hadzihasanovic, Amar; Genovese, Fabrizio; Coecke, Bob6th International Conference on Applied Category Theory, ACT 2023, Hybrid, College Park, 31 July 2023 - 4 August 20232023 / p. 226-245 https://doi.org/10.4204/EPTCS.397.14 Conference proceedings at Scopus Article at Scopus Article at WOS