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The inhomogenous time-fractional telegraph equation with Caputo derevatives with constant coefficients is considered. For considered equation the general representation of regular solution in rectangular domain is obtained, and the…

偏微分方程分析 · 数学 2019-06-04 Murat O. Mamchuev

In this paper, new representations of the Green's function for an acoustic d-dimensional half-space problem with impedance boundary conditions are presented. The main features of the new representation are: a) in addition to additive terms…

数值分析 · 数学 2025-07-24 C. Lin , J. M. Melenk , S. Sauter

Covariant relativistic quantum theory is used to study the covariant Green's function, which can be used to determine the proper time evolved wave functions that are solutions to the covariant Schr\"odinger type equation for a massive spin…

高能物理 - 理论 · 物理学 2007-05-23 T. Garavaglia

The partial differential equation of Gaussian diffusion is generalized by using the time-fractional derivative of distributed order between 0 and 1, in both the Riemann-Liouville (R-L) and the Caputo (C) sense. For a general distribution of…

统计力学 · 物理学 2008-05-27 Francesco Mainardi , Antonio Mura , Gianni Pagnini , Rudolf Gorenflo

The Green's function method has applications in several fields in Physics, from classical differential equations to quantum many-body problems. In the quantum context, Green's functions are correlation functions, from which it is possible…

介观与纳米尺度物理 · 物理学 2016-10-14 Mariana M. Odashima , Beatriz G. Prado , E. Vernek

We provide a general theoretical framework allowing us to extend the classical Lie theory for partial differential equations to the case of equations of fractional order. We propose a general prolongation formula for the study of Lie…

偏微分方程分析 · 数学 2017-02-15 Rosario Antonio Leo , Gabriele Sicuro , Piergiulio Tempesta

We investigate a first boundary value problem for a second-order partial differential equation involving the Prabhakar fractional derivative in time. Using structural properties of the Prabhakar kernel and generalized Mittag-Leffler…

偏微分方程分析 · 数学 2026-05-20 Erkinjon Karimov , Doniyor Usmonov , Maftuna Mirzaeva

In this survey we discuss derivatives of the Wright functions (of the first and the second kind) with respect to parameters. Differentiation of these functions leads to infinite power series with coefficient being quotients of the digamma…

综合数学 · 数学 2022-12-21 Alexander Apelblat , Francesco Mainardi

The following document presents some novel numerical methods valid for one and several variables, which using the fractional derivative, allow to find solutions for some non-linear systems in the complex space using real initial conditions.…

数值分析 · 数学 2024-04-25 A. Torres-Hernandez , F. Brambila-Paz

We construct an explicit solution of the Cauchy initial value problem for certain diffusion-type equations with variable coefficients on the entire real line. The corresponding Green function (heat kernel) is given in terms of elementary…

数学物理 · 物理学 2008-08-09 Erwin Suazo , Sergei K. Suslov , Jose M. Vega-Guzman

Starting from a recent result expressing the Lerch zeta function as a fractional derivative, we consider further fractional derivatives of the Lerch zeta function with respect to different variables. We establish a partial differential…

数论 · 数学 2020-06-02 Arran Fernandez , Jean-Daniel Djida

Lie group method provides an efficient tool to solve a differential equation. This paper suggests a fractional partner for fractional partial differential equations using a fractional characteristic method. A space-time fractional diffusion…

数学物理 · 物理学 2010-09-22 Guo-cheng Wu

Developing the comprehensive theory of the X-ray diffraction by distorted crystals remains to be topical of the mathematical physics. Up to now, the X-ray diffraction theory grounded on the Takagi-Taupin equations with the first-order…

偏微分方程分析 · 数学 2022-12-20 Murat O. Mamchuev , Felix N. Chukhovskii

In view of the role of reaction equations in physical problems, the authors derive the explicit solution of a fractional reaction equation of general character, that unifies and extends earlier results. Further, an alternative shorter…

数学物理 · 物理学 2015-05-18 R. K. Saxena , A. M. Mathai , H. J. Haubold

In this paper, after a brief review of the general theory concerning regularized derivatives and integrals of a function with respect to another function, we provide a peculiar fractional generalization of the $(1+1)$-dimensional Dodson's…

数学物理 · 物理学 2018-01-23 Roberto Garra , Andrea Giusti , Francesco Mainardi

In this paper we find the partial sums of two kinds normalized Wright functions and the partial sums of Alexander transform of these normalized Wright functions.

复变函数 · 数学 2016-06-10 Muhey u Din , Mohsan Raza , Nihat Yagmur

In this article we obtain two-sided estimates for the Greens function of fractional boundary value problems on $\mathbb R_+ \times \mathbb R_+ \times \mathbb R^d$ of the form \[(-{}_{t_1}D^\beta_{0+*} - {}_{t_2}D^\gamma_{0+*})u(t_1, t_2, x)…

概率论 · 数学 2019-09-04 Ifan Johnston , Vassili Kolokoltsov

We develop a theory of the Cauchy problem for linear evolution systems of partial differential equations with the Caputo-Dzrbashyan fractional derivative in the time variable $t$. The class of systems considered in the paper is a fractional…

偏微分方程分析 · 数学 2012-06-26 Anatoly N. Kochubei

We consider a fractional Laplace equation and we give a self-contained elementary exposition of the representation formula for the Green function on the ball. In this exposition, only elementary calculus techniques will be used, in…

偏微分方程分析 · 数学 2016-09-05 Claudia Bucur

We get a Pohozaev-type identity for the fractional Green function, which extends to the fractional setting a classical result by Brezis and Peletier. Our result complements with some more recent ones obtained by Djitte and Sueur concerning…

偏微分方程分析 · 数学 2025-06-04 Abdelrazek Dieb , Isabella Ianni