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We prove existence of positive solutions to a boundary value problem depending on discrete fractional operators. Then, corresponding discrete fractional Lyapunov-type inequalities are obtained.

Classical Analysis and ODEs · Mathematics 2017-10-13 Amar Chidouh , Delfim F. M. Torres

Initial value problem involving Atangana-Baleanu derivative is considered. An Explicit solution of the given problem is obtained by reducing the differential equation to Volterra integral equation of second kind and by using Laplace…

Analysis of PDEs · Mathematics 2019-05-28 Fatma Al-Musalhi. Nasser Al-Salti , Erkinjon Karimov

We introduce and present the general solution of three two-term fractional differential equations of mixed Caputo/Riemann Liouville type. We then solve a Dirichlet type Sturm-Liouville eigenvalue problem for a fractional differential…

Classical Analysis and ODEs · Mathematics 2017-12-29 Mohammad Dehghan , Angelo B. Mingarelli

In this paper Lyapunov type inequality is developed for hybrid fractional boundary value problem involving the prabhakar fractional derivative.

Classical Analysis and ODEs · Mathematics 2016-09-13 Deepak B. Pachpatte , Narayan G. Abuj , Amol D. Khandagale

The unified transform method is used to analyze the initial-boundary value problem for the coupled derivative nonlinear Schr\"odinger(CDNLS) equations on the half-line. In this paper, we assume that the solution $u(x,t)$ and $v(x,t)$ of…

Exactly Solvable and Integrable Systems · Physics 2018-12-19 Beibei Hu , Tiecheng Xia , Ning Zhang

We introduce an abstract framework for elliptic boundary value problems in a variational form. Given a non-negative quadratic form in a Hilbert space, a boundary pair consists of a bounded operator, the boundary operator, and an auxiliary…

Functional Analysis · Mathematics 2015-05-06 Olaf Post

It is studied the Hilbert boundary value problem for the nondegenerate Beltrami equations in domains $D$ of the complex plane $\mathbb C$ with the so--called quasihyperbolic boundary condition. It is proved the existence of solutions of…

Complex Variables · Mathematics 2019-11-22 V. Gutlyanskii , V. Ryazanov , E. Yakubov , A. Yefimushkin

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 paper, we consider a boundary value problem (BVP) for a fourth order nonlinear functional integro-differential equation. We establish the existence and uniqueness of solution and construct a numerical method for solving it. We prove…

Numerical Analysis · Mathematics 2021-11-29 Dang Quang A , Pham Huy Dien , Dang Quang Long

We study the boundary integral operator induced from the fractional Laplace equation in a bounded smooth domain. For $1/2 < \alpha? < 1$, we show the bijectivity of the boundary integral operator $S_{2\alpha} : L^p(\partial \Omega)…

Analysis of PDEs · Mathematics 2014-11-19 TongKeun Chang

The time-fractional diffusion equation is considered, where the time derivative is either of Caputo or Riemann-Liouville type. The solution of a general initial-boundary value problem with time-dependent boundary conditions over bounded and…

Analysis of PDEs · Mathematics 2023-01-04 M. Rodrigo

A boundary value problem for a fractional power $0 < \varepsilon < 1$ of the second-order elliptic operator is considered. The boundary value problem is singularly perturbed when $\varepsilon \rightarrow 0$. It is solved numerically using a…

Numerical Analysis · Computer Science 2016-04-18 Petr N. Vabishchevich

In this article, a new reproducing kernel approach is developed for obtaining numerical solution of nonlinear three-point boundary value problems with fractional order. This approach is based on reproducing kernel which is constructed by…

Numerical Analysis · Mathematics 2020-01-20 Mehmet Giyas Sakar , Onur Saldır

A Dirichlet-type problem is studied for an equation of even order with variable coefficients. A criterion for the uniqueness of a solution is given. The solution is built in the form of a Fourier series. When justifying the convergence of…

Analysis of PDEs · Mathematics 2021-06-01 B. Irgashev

In this paper, we approximate the fractional derivative of a given function using the univariate multinode Shepard method through the Gauss-Jacobi quadrature formula. Subsequently, the proposed method is applied to the numerical solution of…

Numerical Analysis · Mathematics 2025-08-12 Francesco Dell'Accio , Filomena Di Tommaso , Ilde Ferrara

As is known, the problems for the differential equations with continuously changing order of the derivatives are not considered completely. In this paper we consider the initial and boundary value problems for this type of linear ordinary…

Classical Analysis and ODEs · Mathematics 2016-05-24 N. A. Aliyev , R. G. Ahmadov

We completely resolve the boundary value problem for differential forms and conformally Einstein infinity in terms of the dual Hahn polynomials. Consequently, we produce explicit formulas for the Branson-Gover operators on Einstein…

Differential Geometry · Mathematics 2019-05-03 Matthias Fischmann , Petr Somberg

For a second-order symmetric strongly elliptic operator A on a smooth bounded open set \Omega in R^n with boundary \Sigma, the mixed problem is defined by a Neumann-type condition on a part Sigma_+ of the boundary and a Dirichlet condition…

Analysis of PDEs · Mathematics 2011-07-19 Gerd Grubb

The main purpose of this paper is to address some questions concerning boundary value problems related to the Laplacian and bi-Laplacian operators, set in the framework of classical $H^s$ Sobolev spaces on a bounded Lipschitz domain of R^N.…

Analysis of PDEs · Mathematics 2023-06-06 Cherif Amrouche , Mohand Moussaoui

In this work we study the existence of solutions to the critical Brezis-Nirenberg problem when one deals with the spectral fractional Laplace operator and mixed Dirichlet-Neumann boundary conditions, i.e., $$ \left\{\begin{array}{rcl}…

Analysis of PDEs · Mathematics 2018-05-31 Eduardo Colorado , Alejandro Ortega
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