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In this article, we explore the celebrated Gr\"{u}ss inequality, where we present a new approach using the Gr\"{u}ss inequality to obtain new refinements of operator means inequalities. We also present several operator Gr\"{u}ss-type…

Functional Analysis · Mathematics 2020-09-17 H. R. Moradi , S. Furuichi , Z. Heydarbeygi , M. Sababheh

In this paper, two double Jordan-type inequalities are introduced that generalize some previously established inequalities. As a result, some new upper and lower bounds and approximations of the sinc function are obtained. This extension of…

General Mathematics · Mathematics 2024-04-17 Milos Micovic , Branko Malesevic

Following the recent work [13] fulfilled in the discrete case, we pro- vide in this paper new intertwining relations for semigroups of one-dimensional diffusions. Various applications of these results are investigated, among them the famous…

Probability · Mathematics 2014-07-18 Michel Bonnefont , Aldéric Joulin

The approximation of the Gaussian cumulative distribution or of the related Mills ratio have a long history starting with Gauss and Laplace and continuing nowadays. Below, we improve an important family of bounds provided recently by…

Probability · Mathematics 2013-06-14 Florin Avram

This paper concerns the problem of determining the optimal constant in the Montgomery--Vaughan weighted generalization of Hilbert's inequality. We consider an approach pursued by previous authors via a parametric family of inequalities. We…

Classical Analysis and ODEs · Mathematics 2024-03-12 Wijit Yangjit

The goal of this note is to announce certain results in orbit equivalence theory, especially concerning the approximation of p.m.p. standard equivalence relations by increasing sequence of sub-relations, with applications to the behavior of…

Group Theory · Mathematics 2015-09-02 Damien Gaboriau , Robin Tucker-Drob

In this paper, an inequality of Simpson type for quasi-convex mappings are proved. The constant in the classical Simpson's inequality is improved. Furthermore, the obtained bounds can be (much) better than some recently obtained bounds.…

Classical Analysis and ODEs · Mathematics 2016-03-29 Mohammad W. Alomari

In this work, a generalization of the well known Bernoulli inequality is obtained by using the theory of discrete fractional calculus. As far as we know our approach is novel.

Classical Analysis and ODEs · Mathematics 2017-08-29 Rui A. C. Ferreira

We prove a quantitative, large-scale doubling inequality and large-scale three-ellipsoid inequality for solutions of uniformly elliptic equations with periodic coefficients. These estimates are optimal in terms of the minimal length scale…

Analysis of PDEs · Mathematics 2021-08-02 Scott Armstrong , Tuomo Kuusi , Charles Smart

We comment on the Friedmann and Hagen's quantum mechanical derivation of the Wallis formula for $\pi$. In particular, we demonstrate that not only the Gaussian trial function, used by Friedmann and Hagen, but also the Lorentz trial function…

Mathematical Physics · Physics 2017-07-18 O. I Chashchina , Z. K. Silagadze

In this paper we present some new upper bounds of the Cusa-Huygens and the Huygens approximations. Bounds are obtained in the forms of some polynomial and some rational functions.

General Mathematics · Mathematics 2019-08-05 Branko Malesevic , Marija Nenezic , Ling Zhu , Bojan Banjac , Maja Petrovic

"Asymptotic formulae for likelihood-based tests of new physics" presents a mathematical formalism for a new approximation for hypothesis testing in high energy physics. The approximations are designed to greatly reduce the computational…

High Energy Physics - Experiment · Physics 2011-10-25 Eric Burns , Wade Fisher

Wilk's theorem, which offers universal chi-squared approximations for likelihood ratio tests, is widely used in many scientific hypothesis testing problems. For modern datasets with increasing dimension, researchers have found that the…

Statistics Theory · Mathematics 2020-08-14 Yinqiu He , Bo Meng , Zhenghao Zeng , Gongjun Xu

In this note, we improve some concentration inequalities for martingales with bounded increments. These results recover the missing factor in Freedman-style inequalities and are near optimal. We also provide minor refinements of…

Probability · Mathematics 2024-12-31 Arun Kumar Kuchibhotla

We study best approximations in Banach spaces via Birkhoff-James orthogonality of functionals. To exhibit the usefulness of Birkhoff-James orthogonality techniques in the study of best approximation problems, some algorithms and distance…

Functional Analysis · Mathematics 2021-04-30 Debmalya Sain , Saikat Roy

In this paper we determine the value of the best constants in the 2-uniform PL-convexity estimates of $\mathbb C$. This solves a problem posed by W. J. Davis, D. J. H. Garling and N. Tomczak-Jaegermann.

Complex Variables · Mathematics 2019-01-24 Alexander Lindenberger , Paul F. X. Müller , Michael Schmuckenschläger

The main aim of this note is to prove sharp weighted integral Hardy inequality and conjugate integral Hardy inequality on homogeneous Lie groups with any quasi-norm for the range $1<p\leq q<\infty.$ We also calculate the precise value of…

Analysis of PDEs · Mathematics 2022-02-15 Michael Ruzhansky , Anjali Shriwastawa , Bankteshwar Tiwari

Herein we present one hundred inequalities culled from various corners of the probability, statistics, and combinatorics literature. We welcome new suggestions.

Statistics Theory · Mathematics 2021-02-16 CNP Slagle

The aim of this paper is to establish new inequalities for the Euler-Mascheroni by the continued fraction method.

Functional Analysis · Mathematics 2014-07-16 Hongmin Xu , Xu You

In this paper, we will establish the best constants for certain classes of weighted Moser-Trudinger inequalities on the entire Euclidean spaces $\mathbb{R}^N$. We will also prove the existence of maximizers of these sharp weighted…

Analysis of PDEs · Mathematics 2015-04-21 Mengxia Dong , Guozhen Lu