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By means of variational methods we establish existence and multiplicity of solutions for a class of nonlinear nonlocal problems involving the fractional p-Laplacian and a combined Sobolev and Hardy nonlinearity at subcritical and critical…

Analysis of PDEs · Mathematics 2018-02-19 Wenjing Chen , Sunra Mosconi , Marco Squassina

We obtain $L_p$ estimates for fractional parabolic equations with space-time non-local operators $$ \partial_t^\alpha u - Lu + \lambda u= f \quad \mathrm{in} \quad (0,T) \times \mathbb{R}^d,$$ where $\partial_t^\alpha u$ is the Caputo…

Analysis of PDEs · Mathematics 2021-12-30 Hongjie Dong , Yanze Liu

We extend the classical Bernstein technique to the setting of integro-differential operators. As a consequence, we provide first and one-sided second derivative estimates for solutions to fractional equations, including some convex fully…

Analysis of PDEs · Mathematics 2021-12-22 Xavier Cabre , Serena Dipierro , Enrico Valdinoci

In this paper, the authors gives a new identity for Hadamard fractional integrals. By using of this identity, the authors obtains new estimates on generalization of Hadamard, Ostrowski and Simpson type inequalities for (alpha?;m)-GA-convex…

Classical Analysis and ODEs · Mathematics 2015-05-14 Mehmet Kunt , Imdat Iscan

This is the continuation of our previous work [5], where we introduced and studied some nonlinear integral equations on bounded domains that are related to the sharp Hardy-Littlewood-Sobolev inequality. In this paper, we introduce some…

Analysis of PDEs · Mathematics 2019-04-09 Jingbo Dou , Qianqiao Guo , Meijun Zhu

In this paper, we develop a Monte Carlo method for solving PDEs involving an integral fractional Laplacian (IFL) in multiple dimensions. We first construct a new Feynman-Kac representation based on the Green function for the fractional…

Numerical Analysis · Mathematics 2022-04-20 Changtao Sheng , Bihao Su , Chenglong Xu

We develop further the theory of symmetrization of fractional Laplacian operators contained in recent works of two of the authors. The theory leads to optimal estimates in the form of concentration comparison inequalities for both elliptic…

Analysis of PDEs · Mathematics 2015-06-25 Yannick Sire , Juan Luis Vazquez , Bruno Volzone

We study convexity or concavity of certain trace functions for the deformed logarithmic and exponential functions, and obtain in this way new trace inequalities for deformed exponentials that may be considered as generalizations of…

Mathematical Physics · Physics 2017-08-02 Frank Hansen , Jin Liang , Guanghua Shi

We provide a general framework for fractional Hardy inequalities. Our framework covers, for instance, fractional inequalities related to the Dirichlet forms of some L\'evy processes, and weighted fractional inequalities on irregular open…

Classical Analysis and ODEs · Mathematics 2021-11-18 Bartłomiej Dyda , Antti V. Vähäkangas

An improvement of a {\em Global (strong) Gagliardo-Nienberg inequality with a BMO term} is established by replacing local derivatives by {\em and fractional Laplacians.} Local versions are also given.

Analysis of PDEs · Mathematics 2026-05-04 Dung Le

In the literature, the left-side of Hermite--Hadamard's inequality is called a midpoint type inequality. In this article, we obtain new integral inequalities of midpoint type for Riemann--Liouville fractional integrals of convex functions…

General Mathematics · Mathematics 2020-05-05 Pshtiwan Othman Mohammed

The classical Gagliardo-Nirenberg interpolation inequality is a well-known estimate which gives, in particular, an estimate for the Lebesgue norm of intermediate derivatives of functions in Sobolev spaces. We present an extension of this…

Functional Analysis · Mathematics 2018-12-12 Alberto Fiorenza , Maria Rosaria Formica , Tomas Roskovec , Filip Soudsky

We consider the homogeneous Dirichlet problem for the integral fractional Laplacian $(-\Delta)^s$. We prove optimal Sobolev regularity estimates in Lipschitz domains provided the solution is $C^s$ up to the boundary. We present the…

Numerical Analysis · Mathematics 2022-12-29 Juan Pablo Borthagaray , Ricardo H. Nochetto

We obtain necessary optimality conditions for variational problems with a Lagrangian depending on a Caputo fractional derivative, a fractional and an indefinite integral. Main results give fractional Euler-Lagrange type equations and…

Optimization and Control · Mathematics 2011-11-11 Ricardo Almeida , Shakoor Pooseh , Delfim F. M. Torres

In this short article we obtain some necessary conditions for a so-called fractional Hardy-Sobolev's inequalities in multidimensional case. We also give some examples to show the sharpness of these inequalities.

Functional Analysis · Mathematics 2011-08-08 E. Ostrovsky , L. Sirota

This paper considers the numerical analysis of a semilinear fractional diffusion equation with nonsmooth initial data. A new Gr\"onwall's inequality and its discrete version are proposed. By the two inequalities, error estimates in three…

Numerical Analysis · Mathematics 2019-09-04 Binjie Li , Tao Wang , Xiaoping Xie

It is noted that the standard definition of the fractional Laplacian leads to a hyper-singular convolution integral and is also obscure about how to implement the boundary conditions. This purpose of this note is to introduce a new…

Numerical Analysis · Mathematics 2025-10-20 W. Chen

In this paper, we establish various inequalities for some differentiable mappings that are linked with the illustrious Hermite-Hadamard integral inequality for mappings whose derivatives are $s$-$(\alpha,m)$-convex.The generalised integral…

Functional Analysis · Mathematics 2013-04-10 Muhammad Muddassar , Muhammad Iqbal Bhatti , Wajeeha Irshad

In this article a new upper bounds for the multiple trigonometrical integrals are found. The method of the work based on a new method of estimation for the areas of algebraic surfaces.

Number Theory · Mathematics 2013-03-15 Ilgar Sh. Jabbarov

This paper is devoted to study a fractional Choquard problem with slightly subcritical exponents on bounded domains. When the exponent of the convolution type nonlinearity tends to the fractional critical one in the sense of…

Analysis of PDEs · Mathematics 2023-02-07 Marco G. Ghimenti , Min Liu , Zhongwei Tang