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Fuzzy tangent line to a fuzzy circle

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Abstract

In 1965, fuzzy set theory was born, providing a valuable tool to study phenomena where decision-making based on dichotomy is not a simple task. This work is framed in the ideas of fuzzy analytic geometry; more precisely, this paper is devoted to introducing the idea of a fuzzy tangent line to a fuzzy circle in this geometry. For this purpose, three methods are proposed and studied. Moreover, we provide results that establish the conditions for which the proposed methods define the same fuzzy tangent line.

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Acknowledgements

Funded by Universidad de Playa Ancha de Ciencias de la Educación, regular research grant 2021-2022, key project CNE 07-2223.

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Correspondence to Ronald Manríquez.

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Manríquez, R., Carvajal, C. & Cabrera, E. Fuzzy tangent line to a fuzzy circle. Fuzzy Optim Decis Making 23, 337–361 (2024). https://doi.org/10.1007/s10700-024-09424-y

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  • DOI: https://doi.org/10.1007/s10700-024-09424-y

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