What is he best known for?
The fields of study he is best known for:
- Mathematical analysis
- Algebra
- Real number
His primary areas of investigation include Monotonic function, Gamma function, Discrete mathematics, Pure mathematics and Mathematical analysis.
His studies deal with areas such as Function, Class, Exponential function and Combinatorics as well as Monotonic function.
The concepts of his Gamma function study are interwoven with issues in Divided differences and Double factorial.
His work on Open problem as part of general Discrete mathematics study is frequently linked to Convexity, bridging the gap between disciplines.
His Pure mathematics research is multidisciplinary, incorporating perspectives in Geometric mean, Jensen's inequality and Inequality.
His Mathematical analysis research includes themes of Convex function and Subderivative.
His most cited work include:
- Bounds for the ratio of two gamma functions. (197 citations)
- A complete monotonicity property of the gamma function (162 citations)
- Complete Monotonicities of Functions Involving the Gamma and Digamma Functions (126 citations)
What are the main themes of his work throughout his whole career to date?
Feng Qi mainly investigates Pure mathematics, Monotonic function, Combinatorics, Mathematical analysis and Function.
His Pure mathematics study incorporates themes from Type, Exponential function and Inequality.
His work deals with themes such as Gamma function, Logarithm and Discrete mathematics, which intersect with Monotonic function.
His Combinatorics study integrates concerns from other disciplines, such as Upper and lower bounds and Sequence.
Mathematical analysis is often connected to Applied mathematics in his work.
The Bell polynomials study which covers Stirling numbers of the second kind that intersects with Bernoulli polynomials.
He most often published in these fields:
- Pure mathematics (50.23%)
- Monotonic function (42.33%)
- Combinatorics (27.44%)
What were the highlights of his more recent work (between 2017-2021)?
- Pure mathematics (50.23%)
- Monotonic function (42.33%)
- Combinatorics (27.44%)
In recent papers he was focusing on the following fields of study:
Feng Qi mostly deals with Pure mathematics, Monotonic function, Combinatorics, Bell polynomials and Gamma function.
His research integrates issues of Conformable matrix, Hadamard transform, Type, Function and Inequality in his study of Pure mathematics.
The various areas that Feng Qi examines in his Monotonic function study include Logarithm, Bernstein function and Exponential function.
Feng Qi interconnects Discrete mathematics and Tridiagonal matrix in the investigation of issues within Combinatorics.
His Bell polynomials research includes elements of Mathematical analysis, Differential equation, Stirling number, Special values and Inversion.
His biological study spans a wide range of topics, including Multinomial distribution, Series and Applied mathematics.
Between 2017 and 2021, his most popular works were:
- Some Inequalities of Čebyšev Type for Conformable k-Fractional Integral Operators (29 citations)
- A double inequality for the ratio of two non-zero neighbouring Bernoulli numbers (28 citations)
- A double inequality for the ratio of two non-zero neighbouring Bernoulli numbers (28 citations)
In his most recent research, the most cited papers focused on:
- Mathematical analysis
- Algebra
- Real number
His main research concerns Pure mathematics, Monotonic function, Generating function, Type and Gamma function.
His Pure mathematics study combines topics from a wide range of disciplines, such as Function, Conformable matrix and Inequality.
His study in Monotonic function is interdisciplinary in nature, drawing from both Discrete mathematics, Logarithm and Multivariate statistics.
His study on Generating function also encompasses disciplines like
- Catalan number that intertwine with fields like Generalization, Integer, Chebyshev polynomials and Triangular matrix,
- Identity which connect with Bell polynomials, Stirling number, Classical orthogonal polynomials, Unit and Fibonacci polynomials,
- Product, which have a strong connection to Cauchy distribution and Integral representation,
- Nonlinear differential equations that connect with fields like Inversion, Order, Stirling numbers of the second kind and Open problem.
His Type study combines topics in areas such as Hadamard transform, Convex function and Hermite polynomials.
His studies in Combinatorics integrate themes in fields like Differentiable function and Binomial.
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