Feng Qi

Retired
25
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Publications

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Complete monotonicity for a new ratio of finitely many gamma functions

Feng Qi

Acta Mathematica Scientia, 2022, 42B (2), pp.511--520. ⟨10.1007/s10473-022-0206-9⟩

Article dans une revue hal-02511909v2
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Bounds for completely monotonic degrees of remainders in asymptotic expansions of the digamma function

Mansour M. Mahmad Mahmoud , Feng Qi

Mathematical Inequalities & Applications, 2022, 25 (1), pp.291--308. ⟨10.7153/mia-2022-25-17⟩

Article dans une revue hal-02415224v2
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Decreasing properties of two ratios defined by three and four polygamma functions

Feng Qi

Comptes Rendus. Mathématique, 2022, 360, pp.89--101. ⟨10.5802/crmath.296⟩

Article dans une revue hal-02998414v2
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Necessary and sufficient conditions for complete monotonicity and monotonicity of two functions defined by two derivatives of a function involving trigamma function

Feng Qi

Applicable Analysis and Discrete Mathematics, 2021, 15 (2), pp.378--392. ⟨10.2298/AADM191111014Q⟩

Article dans une revue hal-02993723v2
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Integral inequalities of Hermite--Hadamard type for $(\alpha,s)$-convex and $(\alpha,s,m)$-convex functions

Bo-Yan Xi , Dan-Dan Gao , Feng Qi

Italian Journal of Pure and Applied Mathematics, 2020, 44, pp.499--510

Article dans une revue hal-01761678v2
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SOME PROPERTIES OF SEVERAL FUNCTIONS INVOLVING POLYGAMMA FUNCTIONS AND ORIGINATING FROM THE SECTIONAL CURVATURE OF THE BETA MANIFOLD

Feng Qi

São Paulo Journal of Mathematical Sciences, 2020, 14 (2), pp.614--630. ⟨10.1007/s40863-020-00193-1⟩

Article dans une revue hal-02496404v2
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Some logarithmically completely monotonic functions and inequalities for multinomial coefficients and multivariate beta functions

Feng Qi , Da-Wei Niu , Dongkyu Lim , Bai-Ni Guo

Applicable Analysis and Discrete Mathematics, 2020, 14 (2), pp.512--527. ⟨10.2298/AADM191111033Q⟩

Article dans une revue hal-01769288v3
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SPECIAL VALUES OF THE BELL POLYNOMIALS OF THE SECOND KIND FOR SOME SEQUENCES AND FUNCTIONS

Feng Qi , Da-Wei Niu , Dongkyu Lim , Yong-Hong Yao

Journal of Mathematical Analysis and Applications, 2020, 491 (2), 13 p. ⟨10.1016/j.jmaa.2020.124382⟩

Article dans une revue hal-01766566v2
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SOME PROPERTIES AND AN APPLICATION OF MULTIVARIATE EXPONENTIAL POLYNOMIALS

Feng Qi , Da-Wei Niu , Dongkyu Lim , Bai-Ni Guo

Mathematical Methods in the Applied Sciences, 2020, 43 (6), pp.2967--2983. ⟨10.1002/mma.6095⟩

Article dans une revue hal-01745173v2
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MONOTONICITY PROPERTIES FOR A RATIO OF FINITE MANY GAMMA FUNCTIONS

Feng Qi , Dongkyu Lim

Advances in Difference Equations, 2020, 2020 (193), pp.1--9. ⟨10.1186/s13662-020-02655-4⟩

Article dans une revue hal-02511883v2
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GENERALIZATIONS OF SEVERAL INEQUALITIES RELATED TO MULTIVARIATE GEOMETRIC MEANS

Bo-Yan Xi , Ying Wu , Huan-Nan Shi , Feng Qi

Mathematics , 2019, 7 (6), 15 p. ⟨10.3390/math7060552⟩

Article dans une revue hal-01865896v2
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Some inequalities of the Turan type for confluent hypergeometric functions of the second kind

Feng Qi , Ravi Bhukya , Venkatalakshmi Akavaram

Studia Universitatis Babes-Bolyai Mathematica, 2019, 64 (1), pp.63--70. ⟨10.24193/subbmath.2019.1.06⟩

Article dans une revue hal-01701854v2
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Completely monotonic degrees for a difference between the logarithmic and psi functions

Feng Qi , Ai-Qi Liu

Journal of Computational and Applied Mathematics, 2019, 361, pp.366--371. ⟨10.1016/j.cam.2019.05.001⟩

Article dans une revue hal-01728682v2
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On complete monotonicity of linear combination of finite psi functions

Bai-Ni Guo , Feng Qi

Communications of the Korean Mathematical Society, 2019, 34 (4), pp.1223--1228. ⟨10.4134/CKMS.c180430⟩

Article dans une revue hal-01773131v2
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Determinantal expressions and recurrence relations for Fubini and Eulerian polynomials

Feng Qi

Journal of Interdisciplinary Mathematics, 2019, 22 (3), pp.317--335. ⟨10.1080/09720502.2019.1624063⟩

Article dans une revue hal-01853686v3
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Convexity and inequalities related to extended beta and confluent hypergeometric functions

Feng Qi , Kottakkaran Sooppy Nisar , Gauhar Rahman

AIMS Mathematics, 2019, 4 (5), pp.1499--1507. ⟨10.3934/math.2019.5.1499⟩

Article dans une revue hal-01703900v2
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GENERALIZED k-FRACTIONAL CONFORMABLE INTEGRALS AND RELATED INEQUALITIES

Feng Qi , Siddra Habib , Shahid Mubeen , Muhammad Nawaz Naeem

AIMS Mathematics, 2019, 4 (3), pp.343--358. ⟨10.3934/math.2019.3.343⟩

Article dans une revue hal-01788916v2
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Notes on explicit and inversion formulas for the Chebyshev polynomials of the first two kinds

Feng Qi , Da-Wei Niu , Dongkyu Lim

Miskolc Mathematical Notes, 2019, 20 (2), pp.1127--1139. ⟨10.18514/MMN.2019.2976⟩

Article dans une revue hal-01705040v2
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Notes on two kinds of special values for the Bell polynomials of the second kind

Feng Qi , Dongkyu Lim , Yong-Hong Yao

Miskolc Mathematical Notes, 2019, 20 (1), pp.465--474. ⟨10.18514/MMN.2019.2635⟩

Article dans une revue hal-01757740v2
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Some new inequalities of the Grüss type for conformable fractional integrals

Gauhar Rahman , Sooppy Nisar , Feng Qi

AIMS Mathematics, 2018, 3 (4), pp.575--583. ⟨10.3934/Math.2018.4.575⟩

Article dans une revue hal-01871682v2
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Some inequalities involving the extended gamma function and the Kummer confluent hypergeometric $k$-function

Kottakkaran Sooppy Nisar , Feng Qi , Gauhar Rahman , Shahid Mubeen , Muhammad Arshad

Journal of Inequalities and Applications, 2018, 2018 (Paper No. 135), 12 p. ⟨10.1186/s13660-018-1717-8⟩

Article dans une revue hal-01701647v2
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Several explicit and recurrent formulas for determinants of tridiagonal matrices via generalized continued fractions

Feng Qi , Wang Wen , Bai-Ni Guo , Dongkyu Lim

Springer Book Series Lecture Notes in Networks and Systems, Nov 2019, Beni-Mellal, Macedonia. pp.233--248, ⟨10.1007/978-3-030-62299-2_15⟩

Communication dans un congrès hal-02372394v2
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Explicit expressions related to degenerate Cauchy numbers and their generating function

Feng Qi , Ai-Qi Liu , Dongkyu Lim

International Workshop of Mathematical Modelling, Applied Analysis and Computation, Jul 2018, Jaipur, India. pp.41--52, ⟨10.1007/978-981-13-9608-3_2⟩

Communication dans un congrès hal-01725045v2