Contents V.16 N.1 2025

  • ON QIS GUESS AND RELATED RESULTS FOR RATIOS DEFINED BY FINITELY MANY POLYGAMMA FUNCTIONS
    Z.-H. YANG, J.-F. TIAN (pp. 3-18)
    10.30546/2219-1259.16.1.2025.3

    • Abstract.

    In this paper, we establish some new monotonicity properties of ratios defined by finitely many polygamma functions and their divided difference functions, which give an answer to Qi’s guess and extend some known results.

    Keywords:

    polygamma function, gamma function, monotonicity, inequality.

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