Results 11 to 20 of about 146,900 (239)

Resolvent Positive Operators and Positive Fractional Resolvent Families

open access: yesJournal of Function Spaces, 2021
This paper is concerned with positive α-times resolvent families on an ordered Banach space E (with normal and generating cone), where ...
Nan-Ding Li, Ru Liu, Miao Li
doaj   +1 more source

On the fractional deformation of a linearly elastic bar

open access: yesJournal of the Mechanical Behavior of Materials, 2020
Fractional derivatives have non-local character, although they are not mathematical derivatives, according to differential topology. New fractional derivatives satisfying the requirements of differential topology are proposed, that have non-local ...
Lazopoulos Konstantinos A.   +1 more
doaj   +1 more source

On Λ-Fractional Viscoelastic Models

open access: yesAxioms, 2021
Λ-Fractional Derivative (Λ-FD) is a new groundbreaking Fractional Derivative (FD) introduced recently in mechanics. This derivative, along with Λ-Transform (Λ-T), provides a reliable alternative to fractional differential equations’ current solving.
Anastassios K. Lazopoulos   +1 more
doaj   +1 more source

Extra Wide Band MIMO Antenna with High Isolation and Low Correlation at 38 GHz mm-Wave Frequency Band for 5G Applications [PDF]

open access: yesE3S Web of Conferences, 2022
A compact wide-band Multiple Input Multiple Output (MIMO) antenna having highest isolation and least correlation for millimeter-wave 5G communications is proposed in this paper. Firstly, a single antenna was designed and simulated to be working at 38 GHz,
El Hadri Doae   +2 more
doaj   +1 more source

Rational approximation to the fractional Laplacian operator in reaction-diffusion problems [PDF]

open access: yes, 2016
This paper provides a new numerical strategy to solve fractional in space reaction-diffusion equations on bounded domains under homogeneous Dirichlet boundary conditions.
Aceto, Lidia, Novati, Paolo
core   +3 more sources

A fractional Kirchhoff problem involving a singular term and a critical nonlinearity [PDF]

open access: yes, 2017
In this paper we consider the following critical nonlocal problem $$ \left\{\begin{array}{ll} M\left(\displaystyle\iint_{\mathbb{R}^{2N}}\frac{|u(x)-u(y)|^2}{|x-y|^{N+2s}}dxdy\right)(-\Delta)^s u = \displaystyle\frac{\lambda}{u^\gamma}+u^{2^*_s-1}&\quad ...
Fiscella, Alessio
core   +1 more source

Some Embeddings into the Morrey and Modified Morrey Spaces Associated with the Dunkl Operator

open access: yesAbstract and Applied Analysis, 2010
We consider the generalized shift operator, associated with the Dunkl operator Λα(f)(x)=(d/dx)f(x)+((2α+1)/x)((f(x)-f(-x))/2), α>-1/2.
Emin V. Guliyev, Yagub Y. Mammadov
doaj   +1 more source

Abstract Univariate Neural Network Approximation Using a q-Deformed and λ-Parametrized Hyperbolic Tangent Activation Function

open access: yesFractal and Fractional, 2023
In this work, we perform univariate approximation with rates, basic and fractional, of continuous functions that take values into an arbitrary Banach space with domain on a closed interval or all reals, by quasi-interpolation neural network operators ...
George A. Anastassiou
doaj   +1 more source

Entropy Solution Theory for Fractional Degenerate Convection-Diffusion Equations [PDF]

open access: yes, 2010
We study a class of degenerate convection diffusion equations with a fractional nonlinear diffusion term. These equations are natural generalizations of anomalous diffusion equations, fractional conservations laws, local convection diffusion equations ...
Alibaud   +38 more
core   +2 more sources

Vortex counting and the quantum Hall effect

open access: yesJournal of High Energy Physics, 2022
We provide evidence for conjectural dualities between nonrelativistic Chern-Simons-matter theories and theories of (fractional, nonAbelian) quantum Hall fluids in 2 + 1 dimensions.
Edward Walton
doaj   +1 more source

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