English
Related papers

Related papers: Landen inequalities for zero-balanced hypergeometr…

200 papers

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

We survey recent progress in a program aimed at proving general Fatou-type results and establishing the well-posedness of a variety of boundary value problems in the upper half-space ${\mathbb{R}}^n_{+}$ for second-order, homogeneous,…

Analysis of PDEs · Mathematics 2020-08-13 José María Martell , Dorina Mitrea , Irina Mitrea , Marius Mitrea

In this paper the authors investigate a power mean inequality for a special function which is defined by the complete elliptic integrals.

Classical Analysis and ODEs · Mathematics 2013-02-13 Gendi Wang , Xiaohui Zhang , Yuming Chu

R. K\"ustner proved in his 2002 paper that the function $w_{a,b,c}(z)=$ $F(a+1,b;c;z)/F(a,b;c;z)$ maps the unit disk $|z|<1$ onto a domain convex in the direction of the imaginary axis under some condition on the real parameters $a,b,c.$…

Complex Variables · Mathematics 2022-02-10 Toshiyuki Sugawa , Li-Mei Wang

A method to calculate exact Green's functions on lattices in various dimensions is presented. Expressions in terms of generalized hypergeometric functions in one or more variables are obtained for various examples by relating the resolvent…

Mathematical Physics · Physics 2014-09-30 Koushik Ray

We present an algorithm for determining all inequivalent abelian symmetries of non-degenerate quasi-homogeneous polynomials and apply it to the recently constructed complete set of Landau--Ginzburg potentials for $N=2$ superconformal field…

High Energy Physics - Theory · Physics 2009-10-22 Maximilian Kreuzer , Harald Skarke

In this papaer, we put forward some new definitions and integral inequalities by using fairly elementary analysis.

Classical Analysis and ODEs · Mathematics 2012-11-13 M. Emin Ozdemir , Mevlut Tunc , Mustafa Gurbuz

In this paper we consider a new kind of inequality related to fractional integration, motivated by Gressman's paper. Based on it we investigate its multilinear analogue inequalities. Combining with the Gressman's work on multilinear…

Functional Analysis · Mathematics 2016-06-17 Ting Chen

We consider hyper- and superelliptic equations $f(x)=by^m$ with unknowns x,y from the ring of S-integers of a given number field K. Here, f is a polynomial with S-integral coefficients of degree n with non-zero discriminant and b is a…

Number Theory · Mathematics 2023-09-19 Attila Bérczes , Jan-Hendrik Evertse , Kálmán Györy

We consider the integral operator $\mathcal{I}^{a,b,c}_{d,e}(f)(z)$ involving Clausen's Hypergeometric Function by means of convolution introduced by Chandrasekran and Prabhakaran for investigation. The conditions on the parameters $ a,b,…

Complex Variables · Mathematics 2022-05-27 K. Chandrasekran , D. J. Prabhakaran

The double-layer potential plays an important role in solving boundary value problems for elliptic equations. All the fundamental solutions of the generalized bi-axially symmetric Helmholtz equation were known, and only for the first one…

Analysis of PDEs · Mathematics 2018-07-11 Abdumauvlen Berdyshev , Anvar Hasanov , Tuhtasin Ergashev

We consider the uniform asymptotic expansion for the Gauss hypergeometric function \[{}_2F_1(a+\epsilon\lambda,b;c+\lambda;x),\qquad 0<x<1\] as $\lambda\to+\infty$ in the neigbourhood of $\epsilon x=1$ when the parameter $\epsilon>1$ and…

Classical Analysis and ODEs · Mathematics 2021-04-27 R. B. Paris

The properties of several functions are employed to investigate the zeros of the Riemann zeta function $\zeta(a+bi)$ $(0<a<1, b\neq 0)$. If the zeros of the zeta function have not the form $\frac{1}{2}+ib$ where $i=\sqrt{-1}$, we derive a…

General Mathematics · Mathematics 2024-07-31 Shaoyong Lai

Our interest lies in describing the zero behaviour of Gauss hypergeometric polynomials $F(-n,b; c; z)$ where $b$ and $c$ are arbitrary parameters. In general, this problem has not been solved and even when $b$ and $c$ are both real, the…

Classical Analysis and ODEs · Mathematics 2008-12-04 K Driver , K Jordaan

We find an integral representation for the generalized hypergeometric function unifying known representations via generalized Stieltjes, Laplace and cosine Fourier transforms. Using positivity conditions for the weight in this…

Classical Analysis and ODEs · Mathematics 2014-09-11 Dmitrii Karp

We establish a version of the Landen's transformation for Weierstrass functions and invariants that is applicable to general lattices in complex plane. Using it we present an effective method for computing Weierstrass functions, their…

Complex Variables · Mathematics 2024-08-13 Matvey Smirnov , Kirill Malkov , Sergey Rogovoy

In this paper, we first discuss the linear independence of the complete elliptic integrals of the first, second and third kinds $K(k)$, $E(k)$ and $\Pi(\mu(k),k)$, and then obtain an upper bound for the number of zeros of a function of the…

Dynamical Systems · Mathematics 2026-03-12 Jihua Yang

This paper investigates the generalized convexity properties of the Lambert $W$ function, defined as the solution to $W(z)e^{W(z)}=z$. Focusing on $H_{p,q}$-convexity and concavity with respect to H\"older means, we derive necessary and…

Classical Analysis and ODEs · Mathematics 2025-08-26 Gendi Wang

In this work, we derived the necessary and sufficient conditions on parameters for $_3F_2(^{a,b,c}_{b+1,c+1};z)$ Hypergeometric Function to be in the classes $\mathcal{M}^{\ast}(\lambda,\alpha)$ and $\mathcal{N}^{\ast}(\lambda,\alpha)$ and…

Complex Variables · Mathematics 2023-01-31 K. Chandrasekran , G. Murugusundaramoorthy , D. J. Prabhakaran

In this paper, the connection between the functional inequalities $$ f\Big(\frac{x+y}{2}\Big)\leq\frac{f(x)+f(y)}{2}+\alpha_J(x-y) \qquad (x,y\in D)$$ and $$ \int_0^1f\big(tx+(1-t)y\big)\rho(t)dt \leq\lambda f(x)+(1-\lambda)f(y)…

Classical Analysis and ODEs · Mathematics 2012-12-06 Judit Makó , Zsolt Páles