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Weighted mean value identities over balls are considered for harmonic functions and their derivatives. Logarithmic and other weights are involved in these identities for functions. Some applications of weighted identities are presented.…

偏微分方程分析 · 数学 2023-02-14 Nikolay Kuznetsov

The concepts of mean (i.e., average) and covariance of a random variable are fundamental in statistics, and are used to solve real-world problems such as those that arise in robotics, computer vision, and medical imaging. On matrix Lie…

统计理论 · 数学 2025-08-19 Shiraz Khan , Jikai Ye , Gregory S. Chirikjian

It is known that the family of power means tends to maximum pointwise if we pass argument to infinity. We will give some necessary and sufficient condition for the family of quasi-arithmetic means generated by a functions satisfying certain…

泛函分析 · 数学 2017-10-06 Paweł Pasteczka

In this paper we shall consider some famous means such as arithmetic, harmonic, geometric, root-square means, etc. Some new means recently studied are also presented. Different kinds of refinement of inequalities among these means are…

综合数学 · 数学 2007-05-23 Inder Jeet Taneja

In this paper we investigate some convergence and divergence properties of the logarithmic means of quadratical partial sums of double Fourier series of functions in the measure and in the $L$ Lebesgue norm.

偏微分方程分析 · 数学 2013-01-15 Ushangi Goginava

In this note we revisit the classical geometric-arithmetic mean inequality and find a formula for the difference of the arithmetic and the geometric means of given $n\in\mathbb N$ nonnegative numbers $x_1,x_2,\dots,x_n$. The formula yields…

经典分析与常微分方程 · 数学 2017-01-03 Davit Harutyunyan

In the paper, the author establishes an integral representation for Cauchy numbers of the second kind, finds the complete monotonicity, minimality, and logarithmic convexity of Cauchy numbers of the second kind, and presents some…

经典分析与常微分方程 · 数学 2014-07-10 Feng Qi

A new family of integer-valued Cauchy-type distributions is introduced, the {\it Cauchy-Cacoullos family}. The characteristic function is evaluated, showing some interesting distributional properties, similar to the ordinary (continuous)…

概率论 · 数学 2022-05-10 Nickos Papadatos

Based on collection of bijections, variable and function are extended into ``isomorphic variable'' and ``dual-variable-isomorphic function'', then mean values such as arithmetic mean and mean of a function are extended to ``isomorphic…

综合数学 · 数学 2023-09-04 Yuan Liu

This paper proposes a family of weighted batch means variance estimators, which are computationally efficient and can be conveniently applied in practice. The focus is on Markov chain Monte Carlo simulations and estimation of the asymptotic…

统计理论 · 数学 2018-05-23 Ying Liu , James M. Flegal

We establish some limit theorems for quasi-arithmetic means of random variables. This class of means contains the arithmetic, geometric and harmonic means. Our feature is that the generators of quasi-arithmetic means are allowed to be…

统计理论 · 数学 2022-05-09 Yuichi Akaoka , Kazuki Okamura , Yoshiki Otobe

In this paper, we will introduce the Cauchy numbers of both kinds in type B and produce their corresponding exponential generating functions. Then we will provide some identities involving Cauchy, Lah, and Stirling numbers in type B through…

组合数学 · 数学 2023-12-25 Alnour Altoum , Hasan Arslan , Mariam Zaarour

Family of quasi-arithmetic means has a natural, partial order (point-wise order) $A^{[f]}\le A^{[g]}$ if and only if $A^{[f]}(v)\le A^{[g]}(v)$ for all admissible vectors $v$ ($f,\,g$ and, later, $h$ are continuous and monotone and defined…

经典分析与常微分方程 · 数学 2022-06-10 Paweł Pasteczka

Some mathematical inequalities among various weighted means are studied. Inequalities on weighted logarithmic mean are given. Besides, the gap in Jensen's inequality is studied as a convex function approach. Consequently, some non-trivial…

经典分析与常微分方程 · 数学 2022-11-08 Shigeru Furuichi , Kenjiro Yanagi , Hamid Reza Moradi

Denoting by $\mathbb{M}$ the complexification of the quaternionic algebra $\mathbb{H}$, we characterize the family of those $\mathbb{M}$-valued functions, defined on subsets of $\H$, whose values are actually quaternions, using an intrinsic…

泛函分析 · 数学 2019-05-31 Florian-Horia Vasilescu

The first part of the paper studies the expression for, and the properties of, the logarithm map on an orthant space, which is a simple stratified space, with the aim of analysing Frechet means of probability measures on such a space. In…

概率论 · 数学 2018-06-27 Dennis Barden , Huiling Le

In this paper, a new construction of quaternary bent functions from quaternary quadratic forms over Galois rings of characteristic 4 is proposed. Based on this construction, several new classes of quaternary bent functions are obtained, and…

离散数学 · 计算机科学 2013-09-03 Baofeng Wu , Dongdai Lin

The aim of this paper is to present some new Fejer-type results for convex functions. Improvements of Young's inequality (the arithmetic-geometric mean inequality) and other applications to special means are pointed as well.

经典分析与常微分方程 · 数学 2012-03-22 N. Minculete , F. -C. Mitroi

An important line of research is the investigation of the laws of random variables known as Dirichlet means as discussed in Cifarelli and Regazzini(1990). However there is not much information on inter-relationships between different…

概率论 · 数学 2011-11-10 Lancelot F. James

The maximal Orlicz spaces such that the mixed logarithmic means of multiple Walsh-Fourier series for the functions from these spaces converge in measure and in norm are found.

偏微分方程分析 · 数学 2014-02-07 György Gát , Ushangi Goginava