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Opening note in Honor of Rafael H. Villarreal on the occasion of his 70th birthday

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Authors and Affiliations

  1. Departamento de Matemáticas, Centro de Investigación y de Estudios Avanzados del IPN, Apartado Postal 14–740, 07000, Mexico City, Mexico

    Isidoro Gitler

  2. Departamento de Matemáticas, Escuela Superior de Física y Matemáticas, Instituto Politécnico Nacional, 07300, Mexico City, Mexico

    Carlos Rentería

  3. Departamento de Matemática, CCEN, Universidade Federal de Pernambuco, Recife, PE, 50740-560, Brazil

    Aron Simis

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  1. Isidoro Gitler
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  2. Carlos Rentería
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  3. Aron Simis
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Correspondence to Carlos Rentería.

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Isidoro Gitler and Carlos Rentería were partially supported by SNI, Mexico. Aron Simis was partially supported by a CNPq Grant (301131/2019-8).

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Gitler, I., Rentería, C. & Simis, A. Opening note in Honor of Rafael H. Villarreal on the occasion of his 70th birthday. São Paulo J. Math. Sci. 17, 1–2 (2023). https://doi.org/10.1007/s40863-023-00357-9

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  • DOI: https://doi.org/10.1007/s40863-023-00357-9

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