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In this paper, we establish the sharp critical and subcritical trace Trudinger-Moser and Adams inequalities on the half spaces and prove the existence of their extremals through the method based on the Fourier rearrangement, harmonic…

Analysis of PDEs · Mathematics 2021-08-11 Lu Chen , Guozhen Lu , Qiaohua Yang , Maochun Zhu

This article is devoted to the sharp improvement of the classical Bohr inequality for bounded analytic functions defined on the unit disk. We also prove two other sharp versions of the Bohr inequality by replacing the constant term by the…

Complex Variables · Mathematics 2020-04-21 Amir Ismagilov , Ilgiz R Kayumov , Saminathan Ponnusamy

The purpose of this paper is to establish some Adams-Moser-Trudinger inequalities, which are the borderline cases of the Sobolev embedding, in the hyperbolic space $\mathbb H^n$. First, we prove a sharp Adams inequality of order two with…

Analysis of PDEs · Mathematics 2018-10-24 Quôc-Anh Ngô , Van Hoang Nguyen

In this paper we classify all positive extremal functions to a sharp weighted Sobolev inequality on the upper half space, which involves divergent operators with degeneracy on the boundary. As an application of the results, we can derive a…

Analysis of PDEs · Mathematics 2021-04-05 Jingbo Dou , Liming Sun , Lei Wang , Meijun Zhu

We discuss some recent results by Parini and Ruf on a Moser-Trudinger type inequality in the setting of Sobolev-Slobodeckij spaces in dimension one. We push further their analysis considering the inequality on the whole $\mathbb{R}$ and we…

Analysis of PDEs · Mathematics 2016-10-05 Stefano Iula

In this article, we prove the existence of extremal functions in higher-order affine Sobolev inequalities. Proofs rely on concentration-compactness methods in spaces of integer or fractional regularity. The tools we use, available in spaces…

Functional Analysis · Mathematics 2026-04-02 Tristan Bullion-Gauthier

The present survey is devoted to results on Trudinger-Moser inequalities in two dimension. We give a brief overview of the history of these celebrated inequalities and, starting from the geometric problem that motivated Moser's original…

Analysis of PDEs · Mathematics 2024-05-06 Natalino Borgia , Silvia Cingolani , Gabriele Mancini

Our aim is to give a version of the Moser-Trudinger inequality in the setting of complex geometry. As a very particular case, our result already gives a new Moser-Trudinger inequality for functions in the Sobolev space $W^{1,2}$ of a domain…

Complex Variables · Mathematics 2023-08-01 Tien-Cuong Dinh , George Marinescu , Duc-Viet Vu

A classical result of Aubin states that the constant in Moser-Trudinger-Onofri inequality on $\mathbb{S}^{2}$ can be imporved for furnctions with zero first order moments of the area element. We generalize it to higher order moments case.…

Differential Geometry · Mathematics 2020-06-29 Sun-Yung A. Chang , Fengbo Hang

The Moser-Trudinger embedding has been generalized in [Adimurthi A.; Sandeep K., A singular Moser-Trudinger embedding and its applications, \textit{NoDEA Nonlinear Differential Equations Appl.}, 13 (2007), no. 5-6, 585--603] to the…

Analysis of PDEs · Mathematics 2020-07-31 Gyula Csato , Prosenjit Roy , Van Hoang Nguyen

In a series of articles, Ryan Hynd and Francis Seuffert have studied extremal functions for the Morrey inequality. Building upon their work, we study the extremals of a Morrey-type inequality for fractional Sobolev spaces. We verify a few…

Analysis of PDEs · Mathematics 2023-09-14 Alireza Tavakoli

Some Tur\'an type inequalities for Struve functions of the first kind are deduced by using various methods developed in the case of Bessel functions of the first and second kind. New formulas, like Mittag-Leffler expansion, infinite product…

Classical Analysis and ODEs · Mathematics 2017-07-14 Árpád Baricz , Saminathan Ponnusamy , Sanjeev Singh

In this paper, we study the extremal problem for the Strichartz inequality for the Schr\"{o}dinger equation on the $\mathbb{R} \times \mathbb{R}^2$; we provide a new proof to the characterization of the extremal functions. The only extremal…

Analysis of PDEs · Mathematics 2016-04-01 Jin-Cheng Jiang , Shuanglin Shao

In this paper, we establish a weighted Trudinger-Moser type inequality with the full Sobolev norm constraint on the whole Euclidean space. Main tool is the singular Trudinger-Moser inequality on the whole space recently established by…

Analysis of PDEs · Mathematics 2017-05-03 Van Hoang Nguyen , Futoshi Takahashi

In this paper, we prove a version of weighted inequalities of exponential type for fractional integrals with sharp constants in any domain of finite measure in $\mathbb{R}^{n}$. Using this we prove a sharp singular Adams inequality in high…

Analysis of PDEs · Mathematics 2011-12-30 Nguyen Lam , Guozhen Lu

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

In this paper we prove a Moser-Trudinger inequality for the Euler-Lagrange functional of a general singular Liouville system. We characterize the values of the parameters which yield coercivity for the functional and we give necessary…

Analysis of PDEs · Mathematics 2015-11-19 Luca Battaglia

In this paper, we prove a Moser-Trudinger type inequality for pluri-subharmonic functions vanishing on the boundary. Our proof uses a descent gradient flow for the complex Monge-Ampere functional.

Analysis of PDEs · Mathematics 2020-03-16 Wang Jiaxiang , Wang Xu-jia , Zhou Bin

We prove Aubin's "Hypothese fondamentale" concerning the existence of Moser-Trudinger type inequalities on any integral compact K\"ahler manifold X. In the case of the anti-canonical class on a Fano manifold the constants in the…

Differential Geometry · Mathematics 2011-09-07 Robert J. Berman , Bo Berndtsson

We study higher complex Sobolev spaces and their corresponding functional capacities. In particular, we prove the Moser-Trudinger inequality for these spaces and discuss some relationships between these spaces and the complex…

Complex Variables · Mathematics 2025-04-14 Thai Duong Do , Duc-Bao Nguyen