Feng Qi

More supplements to a class of logarithmically completely monotonic functions associated with the gamma function

Senlin Guo, Feng Qi

Integral inequalities of Hermite-Hadamard type for $(Î±,m)$-GA-convex functions

Ai-Ping Ji, Tian-Yu Zhang, Feng Qi

A class of completely monotonic functions involving divided differences of the psi and polygamma functions and some applications

Feng Qi, Bai-Ni Guo

Explicit formulae for computing Euler polynomials in terms of Stirling numbers of the second kind

Bai-Ni Guo, Feng Qi

Some Bernstein functions and integral representations concerning harmonic and geometric means

Feng Qi, Xiao-Jing Zhang, Wen-Hui Li

Some sharp inequalities involving Seiffert and other means and their concise proofs

Wei-Dong Jiang, Feng Qi

physics.med-ph2019

How transcranial direct current stimulation facilitates post-stroke rehabilitation

Feng Qi, Xin Hong, ZhongKang Lu +7

Limit formulas for ratios of derivatives of the gamma and digamma functions at their singularities

Feng Qi

An alternative and united proof of a double inequality for bounding the arithmetic-geometric mean

Feng Qi, Anthony Sofo

math.NT2014

A new explicit formula for Bernoulli and Genocchi numbers in terms of Stirling numbers

Bai-Ni Guo, Feng Qi

math.NT2014

Alternative proofs of a formula for Bernoulli numbers in terms of Stirling numbers

Bai-Ni Guo, Feng Qi

An explicit formula for Bernoulli polynomials in terms of $r$-Stirling numbers of the second kind

Bai-Ni Guo, IstvÃ¡n MezÅ, Feng Qi

Concise sharpening and generalizations of Shafer's inequality for the arc sine function

Feng Qi, Bai-Ni Guo

A double inequality for bounding Toader mean by the centroidal mean

Yun Hua, Feng Qi

Complete monotonicity of some functions involving polygamma functions

Feng Qi, Senlin Guo, Bai-Ni Guo

cs.PF2018

Pliant: Leveraging Approximation to Improve Datacenter Resource Efficiency

Neeraj Kulkarni, Feng Qi, Christina Delimitrou

Monotonicity results and bounds for the inverse hyperbolic sine

Feng Qi, Bai-Ni Guo

cs.CL2019

Human-like machine thinking: Language guided imagination

Feng Qi, Wenchuan Wu

Some bounds for the complete elliptic integrals of the first and second kinds

Bai-Ni Guo, Feng Qi

Some properties of the psi and polygamma functions

Feng Qi, Bai-Ni Guo

Two new proofs of the complete monotonicity of a function involving the psi function

Feng Qi, Bai-Ni Guo

q-bio.MN2007

Directionality is an inherent property of biochemical networks

Feng Yang, Feng Qi, Daniel A. Beard

math.CA2003

The best bounds of harmonic sequence

Chao-Ping Chen, Feng Qi

The function $(b^x-a^x)/x$: Logarithmic convexity and applications to extended mean values

Feng Qi, Bai-Ni Guo

Properties of modified Bessel functions and completely monotonic degrees of differences between exponential and trigamma functions

Feng Qi

Explicit expressions for a family of Bell polynomials and derivatives of some functions

Feng Qi, Miao-Miao Zheng

Sharpening and generalizations of Carlson's double inequality for the arc cosine function

Bai-Ni Guo, Feng Qi

Asymptotic formulas and inequalities for gamma function in terms of tri-gamma function

Cristinel Mortici, Feng Qi

A property of logarithmically absolutely monotonic functions and the logarithmically complete monotonicity of a power-exponential function

Feng Qi, Bai-Ni Guo

An inequality involving the gamma and digamma functions

Feng Qi, Bai-Ni Guo

Eight interesting identities involving the exponential function, derivatives, and Stirling numbers of the second kind

Feng Qi

The function $(b^x-a^x)/x$: Ratio's properties

Bai-Ni Guo, Feng Qi

A completely monotonic function involving the gamma and tri-gamma functions

Feng Qi

math.CO2012

A note on the modified q-Genocchi numbers and polynomials with weight (Î±,Î²) and their interpolation function at negative integers

Serkan Araci, Mehmet AÃ§ikgÃ¶z, Feng Qi +1

Uniqueness of nontrivially complete monotonicity for a class of functions involving polygamma functions

Feng Qi, Bai-Ni Guo

math.CO2015

Six proofs for an identity of the Lah numbers

Bai-Ni Guo, Feng Qi

math.AP2017

Extended Weyl fractional integrals and their inequalities

Praveen Agarwal, Mohamed Jleli, Feng Qi

math.NT2014

An explicit formula for computing Bernoulli numbers of the second kind in terms of Stirling numbers of the first kind

Feng Qi

Limit formulas for ratios of polygamma functions at their singularities

Feng Qi

math.NT2012

On the $q$-Genocchi numbers and polynomials with weight zero and their applications

Serkan Araci, Mehmet Acikgoz, Feng Qi

Refinements and sharpening of some Huygens and Wilker type inequalities

Wei-Dong Jiang, Qiu-Ming Luo, Feng Qi

Sharpening and generalizations of Shafer-Fink's double inequality for the arc sine function

Feng Qi, Bai-Ni Guo

Sharpening and generalizations of Carlson's inequality for the arc cosine function

Feng Qi, Bai-Ni Guo

Bounds for the ratio of two gamma functions--From Wendel's limit to ElezoviÄ-Giordano-PeÄariÄ's theorem

Feng Qi

Bounds for the ratio of two gamma functions--From Wendel's and related inequalities to logarithmically completely monotonic functions

Feng Qi

cond-mat.other2007

Randomness enhances cooperation: a resonance type phenomenon in evolutionary games

Jie Ren, Wen-Xu Wang, Feng Qi

Integral representations of the weighted geometric mean and the logarithmic mean

Feng Qi, Xiao-Jing Zhang, Wen-Hui Li

Some integral representations and properties of Lah numbers

Bai-Ni Guo, Feng Qi

The best bounds for Toader mean in terms of the centroidal and arithmetic means

Yun Hua, Feng Qi

Refinements of lower bounds for polygamma functions

Feng Qi, Bai-Ni Guo

A refinement of a double inequality for the gamma function

Feng Qi, Bai-Ni Guo

Sharp inequalities for polygamma functions

Feng Qi, Bai-Ni Guo

A completely monotonic function involving the tri- and tetra-gamma functions

Feng Qi, Bai-Ni Guo

Logarithmic convexity of Gini means

Feng Qi, Bai-Ni Guo

Complete monotonicity of a family of functions involving the tri- and tetra-gamma functions

Feng Qi

math.CO2013

Explicit formulas for computing Bernoulli numbers of the second kind and Stirling numbers of the first kind

Feng Qi

Complete monotonicity of a difference between the exponential and trigamma functions

Feng Qi, Xiao-Jing Zhang

Some properties of extended remainder of Binet's first formula for logarithm of gamma function

Feng Qi, Bai-Ni Guo

An integral representation and properties of Bernoulli numbers of the second kind

Feng Qi

Sharp bounds for Neuman-SÃ¡ndor's mean in terms of the root-mean-square

Wei-Dong Jiang, Feng Qi

Proofs for a monotonicity result of a function involving the psi and exponential functions

Feng Qi, Bai-Ni Guo

Some best approximation formulas and inequalities for Wallis ratio

Feng Qi, Cristinel Mortici

math.CA2015

A logarithmically completely monotonic function involving the ratio of gamma functions

Feng Qi, Wen-Hui Li

Diagonal recurrence relations, inequalities, and monotonicity related to Stirling numbers

Feng Qi

Bounds for the ratio of two gamma functions--From Gautschi's and Kershaw's inequalities to completely monotonic functions

Feng Qi

nlin.CD2003

New Characterization of Disorder Taming Spatiotemporal Chaos

Feng Qi, Zhonghuai Hou, Houwen Xin

Hermite-Hadamard type integral inequalities for functions whose first derivatives are of convexity

Feng Qi, Tian-Yu Zhang, Bo-Yan Xi

Monotonicity and logarithmic convexity relating to the volume of the unit ball

Feng Qi, Bai-Ni Guo

Integral representations and complete monotonicity related to the remainder of Burnside's formula for the gamma function

Feng Qi

Necessary and sufficient conditions for a function involving divided differences of the di- and tri-gamma functions to be completely monotonic

Feng Qi, Bai-Ni Guo

Sharp bounds in terms of the power of the contra-harmonic mean for Neuman-Sandor mean

Wei-Dong Jiang, Feng Qi

Complete monotonicity, completely monotonic degree, integral representations, and an inequality related to the exponential, trigamma, and modified Bessel functions

Feng Qi, Shu-Hong Wang

Complete monotonicity of a function involving a ratio of gamma functions and applications

Feng Qi, Bai-Ni Guo

Sharpening and generalizations of Shafer's inequality for the arc tangent function

Feng Qi, Bai-Ni Guo

A concise proof of Oppenheim's double inequality relating to the cosine and sine functions

Feng Qi, Bai-Ni Guo

Two monotonic functions involving gamma function and volume of unit ball

Feng Qi, Bai-Ni Guo

Complete monotonicity of a function involving the $p$-psi function and alternative proofs

Valmir Krasniqi, Feng Qi

An extension of an inequality for ratios of gamma functions

Feng Qi, Bai-Ni Guo

math.NT2013

Extended fermionic $p$-adic integrals on $\mathbb{Z}_p$

Feng Qi, Serkan Araci, Mehmet Acikgoz

Geometric convexity of the generalized sine and the generalized hyperbolic sine

Wei-Dong Jiang, Feng Qi

A new proof of the geometric-arithmetic mean inequality by Cauchy's integral formula

Feng Qi, Xiao-Jing Zhang, Wen-Hui Li

Some inequalities for complete elliptic integrals

Li Yin, Feng Qi

An explicit formula for computing Bell numbers in terms of Lah and Stirling numbers

Feng Qi

Complete monotonicity of a function involving the gamma function and applications

Feng Qi

An alternative proof of ElezoviÄ-Giordano-PeÄariÄ's theorem

Feng Qi, Bai-Ni Guo

Integral representations and properties of some functions involving the logarithmic function

Feng Qi, Wen-Hui Li

math.CA2015

Derivatives of tangent function and tangent numbers

Feng Qi

Inequalities of Hermite-Hadamard type for extended $s$-convex functions and applications to means

Bo-Yan Xi, Feng Qi

An explicit formula for Bell numbers in terms of Stirling numbers and hypergeometric functions

Feng Qi

An integral representation, some inequalities, and complete monotonicity of Bernoulli numbers of the second kind

Feng Qi, Xiao-Jing Zhang

Some integral inequalities of Hermite-Hadamard type for functions whose derivatives of $n$-th order are $(Î±,m)$-convex

Feng Qi, Muhammad Amer Latif, Wen-Hui Li +1

The geometric mean is a Bernstein function

Feng Qi, Xiao-Jing Zhang, Wen-Hui Li

Sharp bounds for harmonic numbers

Feng Qi, Bai-Ni Guo

Sharp inequalities for the psi function and harmonic numbers

Feng Qi, Bai-Ni Guo

Two sharp inequalities for bounding the Seiffert mean by the arithmetic, centroidal, and contra-harmonic means

Wei-Dong Jiang, Jian Cao, Feng Qi

Complete monotonicity of functions involving the $q$-trigamma and $q$-tetragamma functions

Feng Qi

A unified proof of inequalities and some new inequalities involving Neuman-SÃ¡ndor mean

Wen-Hui Li, Feng Qi