Feng Qi Retired

Identifiants chercheurs

IdHAL :

qifeng618

ORCID :

0000-0001-6239-2968

IdRef :

183677269

arXiv :

qi_f_1

ResearcherID :

G-2455-2012

Présentation

Publications

Pré-publication, Document de travail (2)

MONOTONICITY AND COMPLETE MONOTONICITY OF TWO FUNCTIONS DEFINED BY THREE DERIVATIVES OF A FUNCTION INVOLVING TRIGAMMA FUNCTION Feng Qi,Ling-Xiong Han,Hong-Ping Yin 2020 Pré-publication, Document de travail hal-02998203v1
A LOGARITHMICALLY COMPLETELY MONOTONIC FUNCTION INVOLVING THE $q$-GAMMA FUNCTION Feng Qi 2018 Pré-publication, Document de travail hal-01803352v1

Article dans une revue (21)

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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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

Communication dans un congrès (2)

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
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