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    Article

    Robust Portfolio Selection with Distributional Uncertainty and Integer Constraints

    This paper studies a robust portfolio selection problem with distributional ambiguity and integer constraint. Different from the assumption that the expected returns of risky assets are known, we define an amb...

    Ri-Peng Huang, Ze-Shui Xu, Shao-Jian Qu… in Journal of the Operations Research Society… (2023)

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    Article

    The Aviation Technology Two-Sided Matching with the Expected Time Based on the Probabilistic Linguistic Preference Relations

    The two-sided matching has been widely applied to the decision-making problems in the field of management. With the limited working experience, the two-sided agents usually cannot provide the preference order ...

    Bo Li, Yi-**n Zhang, Ze-Shui Xu in Journal of the Operations Research Society of China (2020)

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    Article

    Derivatives and differentials for multiplicative intuitionistic fuzzy information

    By using the unsymmetrical scale instead of the symmetrical scale, the multiplicative intuitionistic fuzzy sets (MIFSs) reflect our intuition more objectively. Each element in a MIFS is expressed by an ordered...

    Shan Yu, Ze-shui Xu… in Applied Mathematics-A Journal of Chinese Universities (2017)

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    Article

    Hierarchical hesitant fuzzy K-means clustering algorithm

    Due to the limitation and hesitation in one’s knowledge, the membership degree of an element to a given set usually has a few different values, in which the conventional fuzzy sets are invalid. Hesitant fuzzy ...

    Na Chen, Ze-shui Xu, Mei-mei **a in Applied Mathematics-A Journal of Chinese Universities (2014)