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Listar por autor "Jin, Ying-Ying"

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Listar por autor "Jin, Ying-Ying"

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    ★-quasi-pseudometrics on algebraic structures 
    He, Shi-Yao; Jin, Ying-Ying; Xie, Li-Hong (Universitat Politècnica de València, 2023-10-02)
    [EN] In this paper, we introduce some concepts of ★-(quasi)-pseudometric spaces, and give an example which shows that there is a ★-quasi-pseudometric space which is not a quasi-pseudometric space. We also study the conditions ...