Results 41 to 50 of about 2,960 (186)

Bourgain-Brezis-Mironescu formula for magnetic operators [PDF]

open access: yes, 2016
We prove a Brezis-Bourgain-Mironescu type formula for a class of nonlocal magnetic spaces, which builds a bridge between a fractional magnetic operator recently introduced and the classical theory.Comment: revised ...
Squassina, Marco, Volzone, Bruno
core   +3 more sources

On Hermite-Hadamard type inequalities for Riemann-Liouville fractional integrals

open access: yes, 2017
In this paper, we have established Hermite-Hadamard-type inequalities for fractional integrals and will be given an identity. With the help of this fractional-type integral identity, we give some integral inequalities connected with the left-side of ...
M. Sarıkaya, H. Yildirim
semanticscholar   +1 more source

Trajectory Controllability of Fractional Neutral Stochastic Dynamical Systems of Order α ∈ (1, 2] With Deviating Argument

open access: yesJournal of Applied Mathematics, Volume 2025, Issue 1, 2025.
In this manuscript, we establish existence, uniqueness, and trajectory controllability for higher order noninstantaneous impulsive fractional neutral stochastic differential equations. First, solvability and uniqueness results are obtained using a fixed‐point approach with appropriate assumptions on nonlinear functions. Next, we deal with the strongest
Dhanalakshmi Kasinathan   +5 more
wiley   +1 more source

Fractional integrals and hypersingular integrals in variable order Hölder spaces on homogeneous spaces

open access: yesJournal of Function Spaces, Volume 8, Issue 3, Page 215-244, 2010., 2010
We consider non‐standard Hölder spaces Hλ(⋅)(X) of functions f on a metric measure space (X, d, μ), whose Hölder exponent λ(x) is variable, depending on x ∈ X. We establish theorems on mapping properties of potential operators of variable order α(x), from such a variable exponent Hölder space with the exponent λ(x) to another one with a “better ...
Natasha Samko   +3 more
wiley   +1 more source

Fractional virus epidemic model on financial networks

open access: yesOpen Mathematics, 2016
In this study, we present an epidemic model that characterizes the behavior of a financial network of globally operating stock markets. Since the long time series have a global memory effect, we represent our model by using the fractional calculus.
Balci Mehmet Ali
doaj   +1 more source

A new analytical method to simulate the mutual impact of space-time memory indices embedded in (1 + 2)-physical models

open access: yesNonlinear Engineering, 2022
In the present article, we geometrically and analytically examine the mutual impact of space-time Caputo derivatives embedded in (1 + 2)-physical models.
Makhadmih Mohammad   +3 more
doaj   +1 more source

On a Singular Value Problem for the Fractional Laplacian on the Exterior of the Unit Ball [PDF]

open access: yes, 2005
2000 Mathematics Subject Classification: Primary 26A33; Secondary 47G20, 31B05We study a singular value problem and the boundary Harnack principle for the fractional Laplacian on the exterior of the unit ...
Bezzarga, Mounir, Kefi, Khaled
core  

Quantum calculus on finite intervals and applications to impulsive difference equations

open access: yes, 2013
In this paper we initiate the study of quantum calculus on finite intervals. We define the qk-derivative and qk-integral of a function and prove their basic properties.
J. Tariboon, S. Ntouyas
semanticscholar   +1 more source

Existence and Ulam-Hyers stability of the implicit fractional boundary value problem with ψ-Caputo fractional derivative

open access: yes, 2020
In this paper, we investigate the existence, uniqueness and Ulam-Hyers stability of solutions for nonlinear implicit fractional differential equations with boundary conditions involving a ψ-Caputo fractional derivative.
Hanan A. Wahash   +2 more
semanticscholar   +1 more source

A Fractional‐Order Peer Influence Mathematical Model

open access: yesJournal of Applied Mathematics, Volume 2025, Issue 1, 2025.
In this article, a fractional‐order mathematical model is used to simulate peer influence using the Liouville–Caputo framework. Our model was made up of four states, which describe friends, negatively behaved friends, parental guidance, and positively behaved friends.
Patience Pokuaa Gambrah   +5 more
wiley   +1 more source

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