Feng Qi

Orcid: 0000-0001-6239-2968

Affiliations:
  • Henan Polytechnic University, Institute of Mathematics, China


According to our database1, Feng Qi authored at least 50 papers between 2004 and 2023.

Collaborative distances:
  • Dijkstra number2 of five.
  • Erdős number3 of four.

Timeline

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Bibliography

2023
Two Forms for Maclaurin Power Series Expansion of Logarithmic Expression Involving Tangent Function.
Symmetry, September, 2023

Determinantal Expressions, Identities, Concavity, Maclaurin Power Series Expansions for van der Pol Numbers, Bernoulli Numbers, and Cotangent.
Axioms, July, 2023

Closed-Form Formulas for the nth Derivative of the Power-Exponential Function xx.
Symmetry, February, 2023

2022
Discussions on two integral inequalities of Hermite-Hadamard type for convex functions.
J. Comput. Appl. Math., 2022

Degenerate Fubini-Type Polynomials and Numbers, Degenerate Apostol-Bernoulli Polynomials and Numbers, and Degenerate Apostol-Euler Polynomials and Numbers.
Axioms, 2022

2021
Inequalities for generalized eigenvalues of quaternion matrices.
Period. Math. Hung., 2021

Explicit, Determinantal, and Recurrent Formulas of Generalized Eulerian Polynomials.
Axioms, 2021

2020
Refinements of Young's integral inequality via fundamental inequalities and mean value theorems for derivatives.
CoRR, 2020

Closed formulas and identities on the Bell polynomials and falling factorials.
Contributions Discret. Math., 2020

2019
A Closed Formula for the Horadam Polynomials in Terms of a Tridiagonal Determinant.
Symmetry, 2019

Completely monotonic degrees for a difference between the logarithmic and psi functions.
J. Comput. Appl. Math., 2019

A double inequality for the ratio of two non-zero neighbouring Bernoulli numbers.
J. Comput. Appl. Math., 2019

2018
Some Inequalities of Čebyšev Type for Conformable <i>k</i>-Fractional Integral Operators.
Symmetry, 2018

Integral representations of bivariate complex geometric mean and their applications.
J. Comput. Appl. Math., 2018

Some properties of central Delannoy numbers.
J. Comput. Appl. Math., 2018

Integral representations for multivariate logarithmic polynomials.
J. Comput. Appl. Math., 2018

2017
A double inequality for an integral mean in terms of the exponential and logarithmic means.
Period. Math. Hung., 2017

The reciprocal of the geometric mean of many positive numbers is a Stieltjes transform.
J. Comput. Appl. Math., 2017

Certain integrals involving the generalized hypergeometric function and the Laguerre polynomials.
J. Comput. Appl. Math., 2017

2016
Two Explicit Formulas of the Schröder Numbers.
Integers, 2016

2015
Explicit expressions for a family of the Bell polynomials and applications.
Appl. Math. Comput., 2015

Some inequalities for the trigamma function in terms of the digamma function.
Appl. Math. Comput., 2015

Some best approximation formulas and inequalities for the Wallis ratio.
Appl. Math. Comput., 2015

Derivatives of tangent function and tangent numbers.
Appl. Math. Comput., 2015

2014
Complete monotonicity of a function involving the gamma function and applications.
Period. Math. Hung., 2014

Sharp bounds for Neuman-Sándor's mean in terms of the root-mean-square.
Period. Math. Hung., 2014

Integral representations and complete monotonicity related to the remainder of Burnside's formula for the gamma function.
J. Comput. Appl. Math., 2014

Explicit formulae for computing Euler polynomials in terms of Stirling numbers of the second kind.
J. Comput. Appl. Math., 2014

Some identities and an explicit formula for Bernoulli and Stirling numbers.
J. Comput. Appl. Math., 2014

Inequalities of Hermite-Hadamard type involving an s-convex function with applications.
Appl. Math. Comput., 2014

2013
Monotonicity and logarithmic convexity relating to the volume of the unit ball.
Optim. Lett., 2013

Convexity of the generalized sine function and the generalized hyperbolic sine function.
J. Approx. Theory, 2013

A logarithmically completely monotonic function involving the ratio of two gamma functions and originating from the coding gain
CoRR, 2013

2012
Complete monotonicity of two functions involving the tri-and tetra-gamma functions.
Period. Math. Hung., 2012

Some properties of a class of functions related to completely monotonic functions.
Comput. Math. Appl., 2012

A completely monotonic function involving the tri-gamma function and with degree one.
Appl. Math. Comput., 2012

2011
An extension of an inequality for ratios of gamma functions.
J. Approx. Theory, 2011

Sharp bounds for harmonic numbers.
Appl. Math. Comput., 2011

2010
Complete monotonicity of some functions involving polygamma functions.
J. Comput. Appl. Math., 2010

Necessary and sufficient conditions for functions involving the tri- and tetra-gamma functions to be completely monotonic.
Adv. Appl. Math., 2010

2009
A simple proof of logarithmic convexity of extended mean values.
Numer. Algorithms, 2009

Alternative proofs for monotonic and logarithmically convex properties of one-parameter mean values.
Appl. Math. Comput., 2009

2008
Darboux's formula with integral remainder of functions with two independent variables.
Appl. Math. Comput., 2008

Wendel's and Gautschi's inequalities: Refinements, extensions, and a class of logarithmically completely monotonic functions.
Appl. Math. Comput., 2008

A generalization of van der Corput's inequality.
Appl. Math. Comput., 2008

Supplements to a class of logarithmically completely monotonic functions associated with the gamma function.
Appl. Math. Comput., 2008

2006
An extension and a refinement of van der Corput's inequality.
Int. J. Math. Math. Sci., 2006

2005
Notes on double inequalities of Mathieu's series.
Int. J. Math. Math. Sci., 2005

Note on weighted Carleman-type inequality.
Int. J. Math. Math. Sci., 2005

2004
A lower bound for ratio of power means.
Int. J. Math. Math. Sci., 2004


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