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The article shows how two choices are possible whenever computing the geometric mean, and the repetition of this process can in general yield 2-to-the power N different values when the choices are compounded in the first N steps of…

Classical Analysis and ODEs · Mathematics 2023-06-13 François Lamarche , Helmut Ruhland

In this note we present a refinement of the AM-GM inequality, and then we estimate in a special case the typical size of the improvement.

Classical Analysis and ODEs · Mathematics 2009-10-30 J. M. Aldaz

In this paper we obtain asymptotic expansion for the geometric mean of the values of positive strongly multiplicative function $f$ satisfying $f(p)=\alpha(d)\,p^d+O(p^{d-\delta})$ for any prime $p$ with $d$ real and $\alpha(d),\delta>0$.

Number Theory · Mathematics 2023-06-22 Mehdi Hassani , Mohammadreza Esfandiari

A Fourier-type integral representation for Bessel's function of the first kind and complex order is obtained by using the Gegenbuaer extension of Poisson's integral representation for the Bessel function along with a trigonometric integral…

Classical Analysis and ODEs · Mathematics 2017-09-01 Enrico De Micheli

We investigate subclasses of generalized Bernstein functions related to complete Bernstein and Thorin-Bernstein functions. Representations in terms of incomplete beta and gamma as well as hypergeometric functions are presented. Several…

Classical Analysis and ODEs · Mathematics 2023-11-10 Henrik Laurberg Pedersen , Stamatis Koumandos

We consider in this paper two different types of the weighted geometric means of positive definite operators. We show the component-wise bijection of these geometric means and give a geometric property of the spectral geometric mean as a…

Functional Analysis · Mathematics 2020-09-23 Sejong Kim

Recently, P\'{a}lfia introduced a generalized Karcher mean as a solution of an operator equation. In this article, we present several relations for this new mean. In particular, we investigate the behavior of this generalized mean when…

Functional Analysis · Mathematics 2019-06-27 Mohammed Sababheh , Hamid Reza Moradi , Zahra Heydarbeygi

In this short paper we show that the inequality of arithmetic and geometric means is reduced to another interesting inequality, and a proof is provided.

History and Overview · Mathematics 2015-03-23 Haoxiang Lin

In this paper, we generalize the geometric mean of two positive definite matrices to that of third-order tensors using the notion of T-product. Specifically, we define the geometric mean of two T-positive definite tensors and verify several…

Numerical Analysis · Mathematics 2024-04-02 Jeong-Hoon Ju , Taehyeong Kim , Yeongrak Kim , Hayoung Choi

Geometrically convex functions constitute an interesting class of functions obtained by replacing the arithmetic mean with the geometric mean in the definition of convexity. As recently suggested, geometric convexity may be a sensible…

Risk Management · Quantitative Finance 2024-03-12 Mücahit Aygün , Fabio Bellini , Roger J. A. Laeven

Generalized integral formulas involving the generalized Bessel-Maitland function are considered and it expressed in terms of generalized Wright hypergeometric functions. By assuming appropriate values of the parameters in the main results,…

Classical Analysis and ODEs · Mathematics 2016-05-31 M. S. Abouzaid , A. H. Abusufian , K. S. Nisar

There are numerous examples in different research fields where the use of the geometric mean is more appropriate than the arithmetic mean. However, the geometric mean has a serious limitation in comparison with the arithmetic mean. Means…

Applications · Statistics 2019-04-05 Roberto de la Cruz , Jan-Ulrich Kreft

The umbral restyling of hypergeometric functions is shown to be a useful and efficient approach in simplifying the associated computational technicalities. In this article, the authors provide a general introduction to the umbral version of…

Classical Analysis and ODEs · Mathematics 2024-01-31 Giuseppe Dattoli , Mehnaz Haneef , Subuhi Khan , Silvia Licciardi

In light of the log-Brunn-Minkowski conjecture, various attempts have been made to define the geometric mean of convex bodies. Many of these constructions are fairly complex and/or fail to satisfy some natural properties one would expect of…

Metric Geometry · Mathematics 2024-05-02 René Brandenberg , Florian Grundbacher

We give a relationship that yields an effective geometric way of evaluating mean curvature of surfaces. The approach is reminiscent of the Gauss's contour based evaluation of intrinsic curvature. The presented formula may have a number of…

Numerical Analysis · Mathematics 2011-08-10 Pavel Grinfeld

The aim of this paper is to present some structural equations for generalized quasi-Einstein metrics which was defined recently by Catino in [12]. In addition, supposing that the Riemannian manifold is Einstein we shall show that it is a…

Differential Geometry · Mathematics 2012-09-13 Abdênago Barros , Ernani Ribeiro

Quantum mechanics is among the most important and successful mathematical model for describing our physical reality. The traditional formulation of quantum mechanics is linear and algebraic. In contrast classical mechanics is a geometrical…

Quantum Physics · Physics 2017-11-03 Hoshang Heydari

Inequalities for norms of different versions of the geometric mean of two positive definite matrices are presented.

Functional Analysis · Mathematics 2015-02-17 Rajendra Bhatia , Priyanka Grover

In this work, generalized hypergeometric functions for bicomplex argument is introduced and its convergence criteria is derived. Furthermore, integral representation of this function has been established. Moreover, quadratic transformation,…

Complex Variables · Mathematics 2025-04-08 Snehasis Bera , Sourav Das , Abhijit Banerjee

In the paper, the authors establish integral representations of some functions related to the remainder of Burnside's formula for the gamma function and find the (logarithmically) complete monotonicity of these and related functions. These…

Classical Analysis and ODEs · Mathematics 2014-04-01 Feng Qi