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Varieties with existentially definable factor congruences

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Abstract

We study the varieties with \(\vec {0}\) and \(\vec {1}\) where factor congruences are definable by existential formulas parameterized by central elements. This continues previous work on equational definability of factor congruences.

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Authors and Affiliations

  1. Facultad de Matemática, Astronomía y Física (Fa.M.A.F.), Universidad Nacional de Córdoba, 5000, Córdoba, Argentina

    Mariana Badano, Miguel A. Campercholi & Diego J. Vaggione

Authors
  1. Mariana Badano
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  2. Miguel A. Campercholi
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  3. Diego J. Vaggione
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Corresponding author

Correspondence to Miguel A. Campercholi.

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Communicated by K. A. Kearnes.

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Badano, M., Campercholi, M.A. & Vaggione, D.J. Varieties with existentially definable factor congruences. Algebra Univers. 83, 19 (2022). https://doi.org/10.1007/s00012-021-00720-x

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  • DOI: https://doi.org/10.1007/s00012-021-00720-x

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