Abstract
New applications of categorical methods are connected with new additional structures on categories. One of such structures, the double category, is considered in this article. The Cayley-Klein double category structure is defined as generalization of the Cayley-Klein bicategory structure. It is shown that Cayley-Klein double categories exist in the topological quantum field theories (TQFT).
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Moskaliuk, S. From Cayley-Klein double categories to TQFT. Phys. Atom. Nuclei 73, 485–488 (2010). https://doi.org/10.1134/S1063778810030105
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DOI: https://doi.org/10.1134/S1063778810030105