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A holistic approach to the composition of ternary relations

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Abstract

In this paper, we present a systematic approach to the study of the composition of ternary relations from the point of view of the degrees of freedom available when linking a 3-tuple to two given 3-tuples. We propose a way of enumerating all possible 4-point compositions (one degree of freedom) and 5-point compositions (two degrees of freedom) of ternary relations, and establish a correspondence between them. Furthermore, we identify the associative compositions and explore interesting mixed-associativity cases. Finally, we use the tools of projection and cylindrical extension to relate the 4-point and 5-point compositions of ternary relations to the 3-point compositions of binary relations.

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Acknowledgements

Bernard De Baets received funding from the Flemish Government under the “Onderzoeksprogramma Artificiële Intelligentie (AI) Vlaanderen” programme.

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Correspondence to Lemnaouar Zedam.

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The authors declare that they have no conflict of interest. All co-authors have seen and agree with the contents of the manuscript “A holistic approach to the composition of ternary relations”.

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Communicated by Susana Montes.

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Boughambouz, H., Zedam, L. & De Baets, B. A holistic approach to the composition of ternary relations. Comp. Appl. Math. 43, 94 (2024). https://doi.org/10.1007/s40314-023-02562-w

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  • DOI: https://doi.org/10.1007/s40314-023-02562-w

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