Results 11 to 20 of about 48,064 (258)

Stochastic models associated to a Nonlocal Porous Medium Equation [PDF]

open access: yesModern Stochastics: Theory and Applications, 2018
The nonlocal porous medium equation considered in this paper is a degenerate nonlinear evolution equation involving a space pseudo-differential operator of fractional order.
Alessandro De Gregorio
doaj   +4 more sources

On the nonlinear impulsive Ψ–Hilfer fractional differential equations [PDF]

open access: yesMathematical Modelling and Analysis, 2020
In this paper, we consider the nonlinear Ψ-Hilfer impulsive fractional differential equation. Our main objective is to derive the formula for the solution and examine the existence and uniqueness of solutions.
Kishor D. Kucche   +2 more
doaj   +6 more sources

Symmetries and reductions of integrable nonlocal partial differential equations [PDF]

open access: yesSymmetry, 2019
In this paper, symmetry analysis is extended to study nonlocal differential equations, in particular two integrable nonlocal equations, the nonlocal nonlinear Schr\"odinger equation and the nonlocal modified Korteweg--de Vries equation.
Peng, Linyu
core   +2 more sources

Exact scattering waves off nonlocal potentials under Coulomb interaction within Schrödinger's integro-differential equation

open access: yesPhysics Letters B, 2019
An exact solution for the scattering wavefunction from a nonlocal potential in the presence of Coulomb interaction is presented. The approach is based on the construction of a Coulomb Green's function in coordinate space whose associated kernel involves ...
H.F. Arellano, G. Blanchon
doaj   +3 more sources

Symmetry and Intertwining Operators for the Nonlocal Gross-Pitaevskii Equation [PDF]

open access: yesSymmetry, Integrability and Geometry: Methods and Applications, 2013
We consider the symmetry properties of an integro-differential multidimensional Gross-Pitaevskii equation with a nonlocal nonlinear (cubic) term in the context of symmetry analysis using the formalism of semiclassical asymptotics.
Aleksandr L. Lisok   +2 more
doaj   +5 more sources

Pull-in Instability Analysis of a Nanocantilever Based on the ‎Two-Phase Nonlocal Theory of Elasticity [PDF]

open access: yesJournal of Applied and Computational Mechanics, 2022
This paper deals with the pull-in instability of cantilever nano-switches subjected to electrostatic and intermolecular forces in the framework of the two-phase nonlocal theory of elasticity.
Gennadi Mikhasev   +2 more
doaj   +1 more source

Semiclassical Approach to the Nonlocal Kinetic Model of Metal Vapor Active Media

open access: yesMathematics, 2021
A semiclassical approach based on the WKB–Maslov method is developed for the kinetic ionization equation in dense plasma with approximations characteristic of metal vapor active media excited by a contracted discharge.
Alexander V. Shapovalov   +1 more
doaj   +1 more source

Longitudinal Vibration of Nanobeams by Two-Phase Local/Nonlocal Elasticity, Rayleigh Theory, and Generalized Differential Quadrature Method [PDF]

open access: yesMechanics of Advanced Composite Structures, 2023
To solve a differential equation of motion via more reliable procedures, it is essential to realize their efficiency. Whether Rayleigh's theory can be a compatible platform with two-phase local/nonlocal elasticity to render more reliable results compared
Reza Nazemnezhad, Roozbeh Ashrafian
doaj   +1 more source

Nonlocal Fractional Differential Equations and Applications [PDF]

open access: yesComplex Analysis and Operator Theory, 2020
Boundary value problems for nonlocal fractional elliptic equations with parameter in Banach spaces are studied. Uniform $L_p$-separability properties and sharp resolvent estimates are obtained for elliptic equations in terms of fractional derivatives.
openaire   +2 more sources

Non-real eigenvalues of nonlocal indefinite Sturm–Liouville problems

open access: yesBoundary Value Problems, 2019
The present paper deals with non-real eigenvalues of regular nonlocal indefinite Sturm–Liouville problems. The existence of non-real eigenvalues of indefinite Sturm–Liouville differential equation with nonlocal potential K ( x , t ) $K(x,t)$ associated ...
Fu Sun   +3 more
doaj   +1 more source

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