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This paper investigates the generalized Hukuhara differentiability of fuzzy number-valued functions on arbitrary time scales using delta calculus. By carefully examining and improving existing results, we develop a unified and complete…

General Mathematics · Mathematics 2025-07-08 Funda Raziye Mert , Selami Bayeğ

We describe a simple way of constructing exponentially growing solutions of the second order systems with the Laplacian as the principal term.

Analysis of PDEs · Mathematics 2017-08-23 Gregory Eskin , James Ralston

We focus on the initial boundary value problem for a general scalar balance law in one space dimension. Under rather general assumptions on the flux and source functions, we prove the well-posedness of this problem and the stability of its…

Analysis of PDEs · Mathematics 2018-09-18 Elena Rossi

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

In this paper, a class of high-order methods to numerically solve Functional Differential Equations with Piecewise Continuous Arguments (FDEPCAs) is discussed. The framework stems from the expansion of the vector field associated with the…

Numerical Analysis · Mathematics 2024-03-14 Gianmarco Gurioli , Weijie Wang , Xiaoqiang Yan

The classical approach to diffusion processes is based on Fick's law that the flux is proportional to the concentration gradient. Various phenomena occurring during propagation of penetrating liquids in polymers show that this type of…

Analysis of PDEs · Mathematics 2010-12-10 Dmitry A. Vorotnikov

This paper is concerned with a class of partial differential equations, which are the linear combinations, with constant coefficients, of the classical flows of the KdV hierarchy. A boundary value problem with inhomogeneous boundary…

Mathematical Physics · Physics 2015-06-18 Mikhail Yu. Ignatyev

Solutions of boundary value problems for a diffusion equation of fractional and variable order in differential and difference settings are studied. It is shown that the method of energy inequalities is applicable to obtaining a priori…

Numerical Analysis · Mathematics 2012-11-22 A. A. Alikhanov

We present a new view onto the successive approximations' approach in study of the two-point nonlinear fractional boundary value problems. In order to reduce the original problem and further construct its approximate solution we use the…

Classical Analysis and ODEs · Mathematics 2021-01-22 Kateryna Marynets

In this paper, we discuss existence of Hukuhara differentiability of fuzzy-valued functions. Several examples are worked out to check that fuzzy-valued functions are one time, two times and n-times H-differentiable. We study the effects of…

General Mathematics · Mathematics 2017-11-27 U. M. Pirzada , D. C. Vakaskar

We demonstrate how meshfree finite difference methods can be applied to solve vector Poisson problems with electric boundary conditions. In these, the tangential velocity and the incompressibility of the vector field are prescribed at the…

Numerical Analysis · Mathematics 2023-08-17 Dong Zhou , Benjamin Seibold , David Shirokoff , Prince Chidyagwai , Rodolfo Ruben Rosales

Nonlinear two-point boundary value problems arise in numerous areas of application. The existence and number of solutions for various cases has been studied from a theoretical standpoint. These results generally rely upon growth conditions…

Numerical Analysis · Mathematics 2007-05-23 E. L. Allgower , D. J. Bates , A. J. Sommese , C. W. Wampler

In this paper we establish uniqueness in the inverse boundary value problem for the two coefficients in the inhomogeneous porous medium equation $\epsilon\partial_tu-\nabla\cdot(\gamma\nabla u^m)=0$, with $m>1$, in dimension 3 or higher,…

Analysis of PDEs · Mathematics 2023-09-14 Cătălin I. Cârstea , Tuhin Ghosh , Gen Nakamura

A new technique is presented to solve a class of linear boundary value problems (BVP). Technique is primarily based on an operational matrix developed from a set of modified Bernoulli polynomials. The new set of polynomials is an…

Computational Engineering, Finance, and Science · Computer Science 2020-08-14 Udaya Pratap Singh

A boundary value problem is commonly associated with constraints imposed on a system at its boundary. We advance here an alternative point of view treating the system as interacting "boundary" and "interior" subsystems. This view is…

Mathematical Physics · Physics 2015-10-28 Alexander Figotin , Guillermo Reyes

In this paper, the Buckley-Feuring method (BFM) and the variational iteration method (VIM) are used for find exact fuzzy solution of the fuzzy heat-like equations in one and two dimensions. Several examples are given to show the new theorem…

Analysis of PDEs · Mathematics 2013-05-14 Lalla Saadia Chadli , Atimad Harir , Said Melliani

In the present article, we study the diffusion equations with fractional time derivatives. The aim of this paper is to investigate the best possible regularity for the initial value/boundary value problems with non-homogeneous Dirichlet…

Analysis of PDEs · Mathematics 2015-01-08 Kenichi Fujishiro

We introduce a forward-backward-forward (FBF) algorithm for solving bilevel equilibrium problem associated with bifunctions on a real Hilbert space. This modifies the forward-backward algorithm by relaxing cocoercivity with monotone and…

Optimization and Control · Mathematics 2024-03-19 Kanchan Mittal , Pankaj Gautam , V. Vetrivel

We propose a fast algorithm for the probabilistic solution of boundary value problems (BVPs), which are ordinary differential equations subject to boundary conditions. In contrast to previous work, we introduce a Gauss--Markov prior and…

Machine Learning · Statistics 2021-06-16 Nicholas Krämer , Philipp Hennig

We propose a method for the treatment of two--point boundary value problems given by nonlinear ordinary differential equations. The approach leads to sequences of roots of Hankel determinants that converge rapidly towards the unknown…

Mathematical Physics · Physics 2007-05-29 Paolo Amore , Francisco M. Fernandez