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Inequalities among symmetric polynomial functions are fundamental questions in mathematics and have various applications in science and engineering. This paper investigates a beautiful and inspiring conjecture, proposed by Cuttler, Greene…

Combinatorics · Mathematics 2025-05-14 Jia Xu , Yong Yao

Some sharp two-sided Tur\'an type inequalities for parabolic cylinder functions and Tricomi confluent hypergeometric functions are deduced. The proofs are based on integral representations for quotients of parabolic cylinder functions and…

Classical Analysis and ODEs · Mathematics 2013-05-06 Árpád Baricz , Mourad E. H. Ismail

A definition of hyperbolic meromorphic functions is given and then we discuss the dynamical behavior and the thermodynamic formalism of hyperbolic functions on the Julia set. We prove the important expanding properties for hyperbolic…

Complex Variables · Mathematics 2012-09-11 Zheng Jian-Hua

In this paper we study the Remez-type inequalities for trigonometric polynomials with harmonics from hyperbolic crosses. The interrelation between the Remez and Nikolskii inequalities for individual functions and its applications are…

Classical Analysis and ODEs · Mathematics 2016-06-14 V. Temlyakov , S. Tikhonov

In this article we prove an important inequality regarding the Ruelle operator in hyperbolic flows. This was already proven briefly by Mark Pollicott and Richard Sharp in a low dimensional case, but we present a clearer proof of the…

Dynamical Systems · Mathematics 2010-10-25 Paul Wright

In the abstract of [1] we read: "We obtain so far unproved properties of a ratio involving a classof Hermite and parabolic cylinder functions." However, we explain how some of the main results in that paper were already proved in [2],…

Classical Analysis and ODEs · Mathematics 2020-09-22 Javier Segura

In the former part of this paper, we give functional equations for Barnes multiple zeta-functions and consider some relevant results. In particular, we show that Ramanujan's classical formula for the Riemann zeta values can be derived from…

Number Theory · Mathematics 2014-09-02 Yasushi Komori , Kohji Matsumoto , Hirofumi Tsumura

Four Jacobi settings are considered in the context of Hardy's inequality: the trigonometric polynomials and functions, and the corresponding symmetrized systems. In the polynomial cases sharp Hardy's inequality is proved for the type…

Classical Analysis and ODEs · Mathematics 2019-06-14 Paweł Plewa

In this paper, we have derived certain classical inequalities, namely, Young's, H\"older's, Minkowski's and Hermite-Hadamard inequalities for pseudo-integral (also known as $g$-integral). For Young's, H\"older's, Minkowski's inequalities,…

Functional Analysis · Mathematics 2020-06-15 Pankaj Jain

In this article we give evaluations of certain series of hyperbolic functions, using Jacobi elliptic functions theory. We also define some new functions that enable us to give characterization of not solvable class of series.

General Mathematics · Mathematics 2017-11-28 Nikolaos D. Bagis

Hyperbolic hypergeometric integrals are defined as Barnes-type integrals of products of hyperbolic gamma functions. Their reduction to ordinary hypergeometric functions is well known. We study in detail their degeneration to complex…

Classical Analysis and ODEs · Mathematics 2026-04-07 N. M. Belousov , G. A. Sarkissian , V. P. Spiridonov

We review recent results on analytical properties (monotonicity and bounds) for ratios of contiguous functions of hypergeometric type. The cases of parabolic cylinder functions and modified Bessel functions have been discussed with…

Classical Analysis and ODEs · Mathematics 2024-08-13 Javier Segura

An explicit formula for the generalized hyperbolic metric on the thrice--punctured sphere $\P \backslash \{z_1, z_2, z_3\}$ with singularities of order $\alpha_j \le 1$ at $z_j$ is obtained in all possible cases $\alpha_1+\alpha_2+\alpha_3…

Complex Variables · Mathematics 2009-11-05 Daniela Kraus , Oliver Roth , Toshiyuki Sugawa

In the paper $\lambda$-method Mitrinovic-Vasic is applied aiming to improve Fink's inequality, and Shafer's inequality for arcus sinus function is observed.

Classical Analysis and ODEs · Mathematics 2007-05-23 Branko J. Malesevic

The authors survey recent results in special functions of classical analysis and geometric function theory, in particular the circular and hyperbolic functions, the gamma function, the elliptic integrals, the Gaussian hypergeometric…

Classical Analysis and ODEs · Mathematics 2013-04-15 Glen D. Anderson , Matti Vuorinen , Xiaohui Zhang

In the former part of this paper, we summarize our previous results on infinite series involving the hyperbolic sine function, especially, with a focus on the hyperbolic sine analogue of Eisenstein series. Those are based on the classical…

Number Theory · Mathematics 2016-04-29 Yasushi Komori , Kohji Matsumoto , Hirofumi Tsumura

Certain triangle inequalities involving the circumradius, inradius, and side lengths of a triangle are generalized to spherical and hyperbolic geometry. Examples include strengthenings of Euler's inequality, $R\geq2r$. An extension of…

History and Overview · Mathematics 2018-05-30 Karina Cho , Jacob Naranjo

Affine isoperimetric inequalities for the functional radial mean bodies are derived from the new affine chord Sobolev inequalities, which extend the recent affine isoperimetric inequalities of Haddad and Ludwig from convex bodies to…

Metric Geometry · Mathematics 2026-02-17 Fernanda M. Baêta , Xiaxing Cai

The aim of this paper is to introduce several degenerate hyperbolic functions as degenerate versions of the hyperbolic functions, to evaluate Volkenborn and the fermionic $p$-adic integrals of the degenerate hyperbolic cosine and the…

Number Theory · Mathematics 2023-03-07 Taekyun Kim , Dae San Kim , Hye Kyung Kim

We review some classical and modern aspects of hypergeometric differential equations, including $A$-hypergeometric systems of Gel'fand, Graev, Kapranov and Zelevinsky. Some recent advances in this theory, such as Euler-Koszul homology, rank…

Algebraic Geometry · Mathematics 2025-05-20 Thomas Reichelt , Mathias Schulze , Christian Sevenheck , Uli Walther