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Related papers: Several generalized Bohr-type inequalities with tw…

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We generalize the classical Minkowski integral inequality to the form involving general Banach function norms.

Functional Analysis · Mathematics 2017-05-10 Filip Soudský

We determine the Bohr radius for the class of all functions $f$ of the form $f(z)=\sum_{k=1}^\infty a_{kp+m} z^{kp+m}$ analytic in the unit disk $|z|<1$ and satisfy the condition $|f(z)|\le 1$ for all $|z|<1$. In particular, our result also…

Complex Variables · Mathematics 2017-08-21 Ilgiz R Kayumov , Saminathan Ponnusamy

In the article, some Huygens and Wilker type inequalities involving trigonometric and hyperbolic functions are refined and sharpened.

Classical Analysis and ODEs · Mathematics 2014-09-05 Wei-Dong Jiang , Qiu-Ming Luo , Feng Qi

We review properties of confluent functions and the closely related Laguerre polynomials, and determine their bilinear integrals. As is well-known, these integrals are convergent only for a limited range of parameters. However, when one…

Classical Analysis and ODEs · Mathematics 2026-01-27 Jan Dereziński , Christian Gaß , Joonas Mikael Vättö

This paper is devoted to a systematic study of certain geometric integral inequalities which arise in continuum combinatorial approaches to $L^p$-improving inequalities for Radon-like transforms over polynomial submanifolds of intermediate…

Classical Analysis and ODEs · Mathematics 2022-03-23 Philip T Gressman

The paper explores various special functions which generalize the two-parametric Mittag-Leffler type function of two variables. Integral representations for these functions in different domains of variation of arguments for certain values…

Functional Analysis · Mathematics 2017-05-17 Christian Lavault

Taylor expansions of analytic functions are considered with respect to two points. Cauchy-type formulas are given for coefficients and remainders in the expansions, and the regions of convergence are indicated. It is explained how these…

Classical Analysis and ODEs · Mathematics 2007-05-23 Jose L. Lopez , Nico M. Temme

The classical inequality of Bohr concerning Taylor coeficients of bounded holomorphic functions on the unit disk, has proved to be of significance in answering in the negative the conjecture that if the non-unital von Neumann inequality…

Functional Analysis · Mathematics 2022-01-26 Vern I. Paulsen , Dinesh Singh

In this paper we give refinements of some convex and log-convex moment inequalities of the first and second order using a special kind of positive semi-definite form. An open problem concerning eight parameter refinement of second order is…

Information Theory · Computer Science 2016-05-16 Slavko Simic

In this paper, by a concise and elementary approach, we sharpen and generalize Shafer's inequality for the arc sine function, and some known results are extended and generalized.

Classical Analysis and ODEs · Mathematics 2012-08-21 Feng Qi , Bai-Ni Guo

The purpose of this paper is to establish several necessary and sufficient conditions to ensure the validity of a general functional inequality in terms of generalized quasi-arithmetic means. In particular cases, we consider H\"older-,…

Classical Analysis and ODEs · Mathematics 2025-11-10 Zsolt Páles , Paweł Pasteczka

In this paper, we establish three new versions of Landau-type theorems for bounded bi-analytic functions of the form $F(z)=\bar{z}G(z)+H(z)$, where $G$ and $H$ are analytic in the unit disk $|z|<1$ with $G(0)=H(0)=0$ and $H'(0)=1$. In…

Complex Variables · Mathematics 2023-02-16 Ming-Sheng Liu , Saminathan Ponnusamy

Recently, extensions of gamma and beta functions have been studied by many researchers due to their nice properties and variety of applications in different fields of science. The aim of this note is to investigate generalized inequalities…

General Mathematics · Mathematics 2024-07-18 S. Mubeen , I. Aslam , Ghazi S. Khammash , Saralees Nadarajah , Ayman Shehata

In the paper we present results about generalized Berwald surfaces involving the intrinsic characterization, some topological obstructions for the base manifold and examples.

Differential Geometry · Mathematics 2018-08-22 Cs. Vincze , T. Khoshdani , S. Mehdi Zadeh , M. Oláh

The main objective of present investigation to obtain some Minkowski-type fractional integral inequalities using generalised proportional Hadamard fractional integral operators which is introduced by Rahman et al in the paper (certain…

General Mathematics · Mathematics 2020-07-22 Asha B. Nale , Satish K. Panchal , Vaijanath L. Chinchane

The convergence of double Fourier series of functions of bounded partial $\Lambda$-variation is investigated. The sufficient and necessary conditions on the sequence $\Lambda=\{\lambda_n\}$ are found for the convergence of Fourier series of…

Analysis of PDEs · Mathematics 2012-10-17 Ushangi Goginava , Artur Sahakian

In this paper, we sharpen and generalize Carlson's double inequality for the arc cosine function.

Classical Analysis and ODEs · Mathematics 2013-01-29 Bai-Ni Guo , Feng Qi

In this paper we first extend a generalization of Ostrowski type inequality on time scales for functions whose derivatives are bounded and then unify corresponding continuous and discrete versions. We also point out some particular integral…

General Mathematics · Mathematics 2011-04-05 Wenjun Liu , Quoc Anh Ngo , Wenbin Chen

In this paper, we sharpen and generalize Shafer-Fink's double inequality for the arc sine function.

Classical Analysis and ODEs · Mathematics 2014-05-08 Feng Qi , Bai-Ni Guo

Let $ \mathcal{H}(\mathbb{D}) $ be the class of analytic functions in the unit disk $ \mathbb{D} : =\{z\in\mathbb{C} : |z|<1\} $. The classical Bohr's inequality states that if a power series $ f(z)=\sum_{n=0}^{\infty}a_nz^n $ converges in…

Complex Variables · Mathematics 2020-12-14 Molla Basir Ahamed , Vasudevarao Allu , Himadri Halder