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Fuzzy GE-norms and fuzzy normed GE-algebras

  • Published: 11 February 2026
  • MSC : 03G25, 06F35, 47H10

  • In this paper, we introduce the notion of a fuzzy GE-norm on a GE-algebra $ ({{\mathbf X}}, {*}, 1_{{{\mathbf X}}}) $ as a scale-dependent fuzzy analogue of the GE-norm introduced in [2]. We established fundamental structural properties of fuzzy GE-norms, derived several identities and generalizations of classical norm inequalities, and developed examples demonstrating the variety of fuzzy behaviors that arise in GE-algebraic settings. Particular attention was given to the interaction between fuzzy GE-norms and GE-morphisms. We showed that a fuzzy GE-norm is not automatically preserved under mappings induced by a GE-morphism. Positive preservation results were obtained when the morphism is injective or surjective and satisfies natural compatibility requirements. A central result of the paper is a complete characterization of fuzzy normability: a GE-algebra admits a fuzzy GE-norm if and only if its induced order is transitive. This theorem identifies transitivity as the precise structural requirement for norm-like behavior in GE-algebras. Additional results include uniqueness of fuzzy limits in commutative GE-algebras, continuity of left and right translations, fuzzy convergence criteria, and Lipschitz-type estimates for the rational fuzzy GE-norm.

    Citation: Amal S. Alali, Ravi Kumar Bandaru, Seok-Zun Song, Young Bae Jun. Fuzzy GE-norms and fuzzy normed GE-algebras[J]. AIMS Mathematics, 2026, 11(2): 4243-4262. doi: 10.3934/math.2026170

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  • In this paper, we introduce the notion of a fuzzy GE-norm on a GE-algebra $ ({{\mathbf X}}, {*}, 1_{{{\mathbf X}}}) $ as a scale-dependent fuzzy analogue of the GE-norm introduced in [2]. We established fundamental structural properties of fuzzy GE-norms, derived several identities and generalizations of classical norm inequalities, and developed examples demonstrating the variety of fuzzy behaviors that arise in GE-algebraic settings. Particular attention was given to the interaction between fuzzy GE-norms and GE-morphisms. We showed that a fuzzy GE-norm is not automatically preserved under mappings induced by a GE-morphism. Positive preservation results were obtained when the morphism is injective or surjective and satisfies natural compatibility requirements. A central result of the paper is a complete characterization of fuzzy normability: a GE-algebra admits a fuzzy GE-norm if and only if its induced order is transitive. This theorem identifies transitivity as the precise structural requirement for norm-like behavior in GE-algebras. Additional results include uniqueness of fuzzy limits in commutative GE-algebras, continuity of left and right translations, fuzzy convergence criteria, and Lipschitz-type estimates for the rational fuzzy GE-norm.



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    [1] R. Bandaru, A. B. Saeid, Y. B. Jun, On GE-algebras, Bull. Sect. Log., 50 (2021), 81–96. https://doi.org/10.18778/0138-0680.2020.20 doi: 10.18778/0138-0680.2020.20
    [2] R. Bandaru, Y. B. Jun, GE-algebras with norms, Int. J. Maps Math., 8 (2025), 681–701.
    [3] T. Bag, S. K. Samanta, Finite dimensional fuzzy normed linear spaces, Ann. Fuzzy Math. Inform., 2013. Print Version.
    [4] A. Rezaei, R. Bandaru, A. B. Saeid, Y. B. Jun, Prominent GE-filters and GE-morphisms in GE-algebras, Afr. Mat., 32 (2021), 1121–1136. https://doi.org/10.1007/s13370-021-00886-6 doi: 10.1007/s13370-021-00886-6
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  • © 2026 the Author(s), licensee AIMS Press. This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0)
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