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A new approach to group classification problems and more general investigations on transformational properties of classes of differential equations is proposed. It is based on mappings between classes of differential equations, generated by…

数学物理 · 物理学 2009-04-22 O. O. Vaneeva , R. O. Popovych , C. Sophocleous

In this research work, let us focus on the construction of numerical scheme based on radial basis functions finite difference (RBF-FD) method combined with the Laplace transform for the solution of fractional order dispersive wave…

数值分析 · 数学 2025-08-15 Hameed Ullah Jan , Marjan Uddin , Irshad Ali Shah , Salam Ullah Khan

Using the asymmetric fractional calculus of variations, we derive a fractional Lagrangian variational formulation of the convection-diffusion equation in the special case of constant coefficients.

偏微分方程分析 · 数学 2015-06-03 Jacky Cresson , Isabelle Greff , Pierre Inizan

In this short note, we present few results on the use of the discrete Laplace transform in solving first and second order initial value problems of discrete differential equations.

综合数学 · 数学 2008-05-14 Dejenie A. Lakew

We study reaction-diffusion equations in cylinders with possibly nonlinear diffusion and possibly nonlinear Neumann boundary conditions. We provide a geometric Poincar\'e-type inequality and classification results for stable solutions, and…

偏微分方程分析 · 数学 2016-06-28 Serena Dipierro , Nicola Soave , Enrico Valdinoci

By considering the master equation of the partially asymmetric diffusion process on a one-dimensional lattice, the most general boundary condition (i.e. interactions) for the multi-species reaction-diffusion processes is considered.…

统计力学 · 物理学 2009-11-11 M. Alimohammadi , Y. Naimi

We obtain a non-linear generalization of the relativistic diffusion of particles with spin. We discuss diffusion equations whose non-linearity is a consequence of quantum statistics. We show that the assumptions of the relativistic…

高能物理 - 理论 · 物理学 2011-06-20 Z. Haba

Spaces of differential forms over configuration spaces with Poisson measures are constructed. The corresponding Laplacians (of Bochner and de Rham type) on 1-forms and associated semigroups are considered. Their probabilistic interpretation…

概率论 · 数学 2007-05-23 S. Albeverio , A. Daletskii , E. Lytvynov

This work studies exact solvability of a class of fractional reaction-diffusion equation with the Riemann-Liouville fractional derivatives on the half-line in terms of the similarity solutions. We derived the conditions for the equation to…

统计力学 · 物理学 2024-03-12 C. -L. Ho

We consider similarity solutions of the generalized convection-diffusion-reaction equation with both space- and time-dependent convection, diffusion and reaction terms. By introducing the similarity variable, the reaction-diffusion equation…

数学物理 · 物理学 2019-05-01 C. -L. Ho , C. -M. Yang

In order to describe more complex problem using the concept of fractional derivatives, we introduce in this paper the concept of fractional derivatives with orders. The new definitions are based upon the concept of power law together with…

经典分析与常微分方程 · 数学 2016-04-19 Abdon Atangana

In this paper, we solve Laplace equation analytically by using differential transform method. For this purpose, we consider four models with two Dirichlet and two Neumann boundary conditions and obtain the corresponding exact solutions. The…

偏微分方程分析 · 数学 2013-12-30 M. Jamil Amir , M. Yaseen , Rabia Iqbal

In a series of papers, Saxena, Mathai, and Haubold (2002, 2004a, 2004b) derived solutions of a number of fractional kinetic equations in terms of generalized Mittag-Leffler functions which provide the extension of the work of Haubold and…

经典分析与常微分方程 · 数学 2009-11-11 R. K. Saxena , A. M. Mathai , H. J. Haubold

By following the trajectories of quantum particles inside a periodic lattice and preserving their classical probabilities for reflection, transmission and absorption at each lattice plane, classical scattering outcomes are obtained.…

材料科学 · 物理学 2007-05-23 Sérgio L. Morelhão , Luis H. Avanci

This article is devoted to Feller's diffusion equation which arises naturally in probabilities and physics (e.g. wave turbulence theory). If discretized naively, this equation may represent serious numerical difficulties since the diffusion…

偏微分方程分析 · 数学 2020-05-26 Denys Dutykh

This paper is in continuation of the authors' recently published paper (Journal of Mathematical Physics 55(2014)083519) in which computational solutions of an unified reaction-diffusion equation of distributed order associated with Caputo…

数学物理 · 物理学 2016-10-31 R. K. Saxena , A. M. Mathai , H. J. Haubold

We study the heat equation on a half-space or on an exterior domain with a linear dynamical boundary condition. Our main aim is to establish the rate of convergence to solutions of the Laplace equation with the same dynamical boundary…

偏微分方程分析 · 数学 2019-01-03 Marek Fila , Kazuhiro Ishige , Tatsuki Kawakami , Johannes Lankeit

Equation of long-range particle drift and diffusion on three-dimensional physical lattice is suggested. This equation can be considered as a lattice analogof space-fractional Fokker-Planck equation for continuum. The lattice approach gives…

统计力学 · 物理学 2015-03-13 Vasily E. Tarasov

In this paper, we consider a q-analogue of Laplace transform and we investigate some properties of q-Laplace transform. From our investigation, we derive some interesting formulae related to q-Laplace transform.

数论 · 数学 2015-06-16 Won Sang Chung , Taekyun Kim

This paper deals with the investigation of the computational solutions of an unified fractional reaction-diffusion equation, which is obtained from the standard diffusion equation by replacing the time derivative of first order by the…

偏微分方程分析 · 数学 2012-10-05 R. K. Saxena , A. M. Mathai , H. J. Haubold