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Related papers: On Fractional Benney Type Systems

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We consider the Cauchy problem for stochastic fractional evolution equations with Caputo time fractional derivative of order $1<\alpha<2$ and space variable coefficients on an unbounded domain. The space derivatives that appear in the…

Probability · Mathematics 2025-10-28 Miloš Japundžić , Danijela Rajter-Ćirić

In the present work we consider the electromagnetic wave equation in terms of the fractional derivative of the Caputo type. The order of the derivative being considered is 0 <\gamma<1. A new parameter \sigma, is introduced which…

Mathematical Physics · Physics 2011-09-01 J. F. Gómez , J. J. Rosales , J. J. Bernal , V. I. Tkach , M. Guía

In this paper, a multi-dimensional fractional wave equation that describes propagation of the damped waves is introduced and analyzed. In contrast to the fractional diffusion-wave equation, the fractional wave equation contains fractional…

Mathematical Physics · Physics 2021-03-12 Yuri Luchko

Fractional equations have become the model of choice in several applications where heterogeneities at the microstructure result in anomalous diffusive behavior at the macroscale. In this work we introduce a new fractional operator…

Numerical Analysis · Mathematics 2021-01-29 Marta D'Elia , Christian Glusa

Fractional wave equation arises in different type of physical problems such as the vibrating strings, propagation of electro-magnetic waves, and for many other systems. The exact analytical solution of the fractional differential equation…

Analysis of PDEs · Mathematics 2017-12-21 Uttam Ghosh , Md Ramjan Ali , Santanu Raut , Susmita Sarkar , Shantanu Das

The notion of fractional dynamics is related to equations of motion with one or a few terms with derivatives of a fractional order. This type of equation appears in the description of chaotic dynamics, wave propagation in fractal media, and…

Classical Physics · Physics 2015-03-19 Vasily E. Tarasov , George M. Zaslavsky

We will give some regularity results about fractional diffusion-wave equations.

Analysis of PDEs · Mathematics 2021-08-10 Paola Loreti , Daniela Sforza

We present two observations related to theapplication of linear (LFE) and nonlinear fractional equations (NFE). First, we give the comparison and estimates of the role of the fractional derivative term to the normal diffusion term in a LFE.…

Chaotic Dynamics · Physics 2009-11-07 H. Weitzner , G. M. Zaslavsky

We study existence and uniqueness of bounded solutions to a fractional nonlinear porous medium equation with a variable density, in one space dimension.

Analysis of PDEs · Mathematics 2012-12-20 Fabio Punzo , Gabriele Terrone

We study a space-fractional Stefan problem with the Dirichlet boundary conditions. It is a model that describes superdiffusive phenomena. Our main result is the existence of the unique classical solution to this problem. In the proof we…

Analysis of PDEs · Mathematics 2023-08-08 S. D. Roscani , K. Ryszewska , L. D. Venturato

We consider an evolution equation with the Caputo-Dzhrbashyan fractional derivative of order $\alpha \in (1,2)$ with respect to the time variable, and the second order uniformly elliptic operator with variable coefficients acting in spatial…

Analysis of PDEs · Mathematics 2014-05-13 Anatoly N. Kochubei

This paper aims to investigate the Cauchy problem for the semilinear damped wave equation for the fractional sub-Laplacian $(-\mathcal{L}_{\mathbb{H}})^{\alpha}$, $\alpha>0$ on the Heisenberg group $\mathbb{H}^{n}$ with power type…

Analysis of PDEs · Mathematics 2025-01-22 Aparajita Dasgupta , Shyam Swarup Mondal , Abhilash Tushir

We study a model that intermediates among the wave, heat, and transport equations. The approach considers the propagation of initial disturbances in a one-dimensional medium that can vibrate. The medium is nonlinear in such a form that…

Mathematical Physics · Physics 2019-05-15 Fernando Olivar-Romero , Oscar Rosas-Ortiz

In this paper, we consider the fractional Camassa-Holm equation modelling the propagation of small-but-finite amplitude long unidirectional waves in a nonlocally and nonlinearly elastic medium. First, we establish the local well-posedness…

Analysis of PDEs · Mathematics 2020-06-08 Lili Fan , Hongjun Gao , Junfang Wang , Wei Yan

A subdiffusion problem in which the diffusion term is related to a stable stochastic process is introduced. Linear models of these systems have been studied in a general way, but non-linear models require a more specific analysis. The model…

Probability · Mathematics 2021-11-05 Soveny Solís , Vicente Vergara

Integrable fractional equations such as the fractional Korteweg-deVries and nonlinear Schr\"odinger equations are key to the intersection of nonlinear dynamics and fractional calculus. In this manuscript, the first discrete/differential…

Exactly Solvable and Integrable Systems · Physics 2022-10-21 Mark J. Ablowitz , Joel B. Been , Lincoln D. Carr

The existence of solutions to Cauchy type problems of linear Riemann-Liouville fractional differential equations with variable coefficients is considered in a space of integrable functions. First, we consider the existence and uniqueness of…

Classical Analysis and ODEs · Mathematics 2016-08-03 Myong-Ha Kim , Guk-Chol Ri , Gum-Song Choe , Hyong-Chol O

The Calder\'on problem for the fractional Schr\"odinger equation was introduced in the work \cite{GSU}, which gave a global uniqueness result also in the partial data case. This article improves this result in two ways. First, we prove a…

Analysis of PDEs · Mathematics 2020-02-17 Angkana Rüland , Mikko Salo

Fractional nonlinear differential equations present an interplay between two common and important effective descriptions used to simplify high dimensional or more complicated theories: nonlinearity and fractional derivatives. These…

Statistical Mechanics · Physics 2016-12-05 U. Al Khawaja , M. Al-Refai , Lincoln D. Carr

We introduce a notion of weak solution for abstract fractional differential equations, motivated by the definition of Caputo derivative. We prove existence results for weak and strong solutions. We also give two examples as application of…

Analysis of PDEs · Mathematics 2021-06-15 Paola Loreti , Daniela Sforza