Results 51 to 60 of about 33,013 (283)

A mixed operator approach to peridynamics

open access: yesMathematics in Engineering, 2023
In the present paper we propose a model describing the nonlocal behavior of an elastic body using a peridynamical approach. Indeed, peridynamics is a suitable framework for problems where discontinuities appear naturally, such as fractures, dislocations,
Federico Cluni   +4 more
doaj   +1 more source

Overdetermined problems with fractional laplacian [PDF]

open access: yesESAIM: Control, Optimisation and Calculus of Variations, 2015
Added a missing assumption (1.3) in Theorem 1.1 and Theorem 1.2, which is used in the proof of Lemma 4 ...
Fall, Mouhamed Moustapha, Jarohs, Sven
openaire   +3 more sources

Existence of Multiple Weak Solutions to a Discrete Fractional Boundary Value Problem

open access: yesAxioms, 2023
The existence of at least three weak solutions to a discrete fractional boundary value problem containing a p-Laplacian operator and subject to perturbations is proved using variational methods. Some applications of the main results are presented.
Shahin Moradi   +2 more
doaj   +1 more source

Gevrey smoothing for weak solutions of the fully nonlinear homogeneous Boltzmann and Kac equations without cutoff for Maxwellian molecules [PDF]

open access: yes, 2015
It has long been suspected that the non-cutoff Boltzmann operator has similar coercivity properties as a fractional Laplacian. This has led to the hope that the homogenous Boltzmann equation enjoys similar regularity properties as the heat equation with ...
Barbaroux, Jean-Marie   +3 more
core   +3 more sources

Getting Acquainted with the Fractional Laplacian [PDF]

open access: yes, 2019
updated version, 72 pages, 12 ...
Abatangelo N., Valdinoci E.
openaire   +3 more sources

A Class of Fractional p-Laplacian Integrodifferential Equations in Banach Spaces

open access: yesAbstract and Applied Analysis, 2013
We study a class of nonlinear fractional integrodifferential equations with p-Laplacian operator in Banach space. Some new existence results are obtained via fixed point theorems for nonlocal boundary value problems of fractional p-Laplacian equations ...
Yiliang Liu, Liang Lu
doaj   +1 more source

Solutions for the Problems Involving Fractional Laplacian and Indefinite Potentials

open access: yesAdvanced Nonlinear Studies, 2017
In this paper, we consider a class of Schrödinger equations involving fractional Laplacian and indefinite potentials. By modifying the definition of the Nehari–Pankov manifold, we prove the existence and asymptotic behavior of least energy solutions.
Tang Zhongwei, Wang Lushun
doaj   +1 more source

Point-like perturbed fractional Laplacians through shrinking potentials of finite range

open access: yes, 2018
We reconstruct the rank-one, singular (point-like) perturbations of the $d$-dimensional fractional Laplacian in the physically meaningful norm-resolvent limit of fractional Schr\"{o}dinger operators with regular potentials centred around the perturbation
Michelangeli, Alessandro   +1 more
core   +1 more source

Principal eigenvalue of the fractional Laplacian with a large incompressible drift [PDF]

open access: yes, 2013
We add a divergence-free drift with increasing magnitude to the fractional Laplacian on a bounded smooth domain, and discuss the behavior of the principal eigenvalue for the Dirichlet problem.
Bogdan, Krzysztof, Komorowski, Tomasz
core   +2 more sources

On the Laplacian and fractional Laplacian in an exterior domain

open access: yesAdvances in Differential Equations, 2012
We see that the generalized Fourier transform due to A.G. Ramm for the case of $n=3$ space dimensions remains valid, with some modifications, for all space dimensions $n\ge 2$. We use the resulting spectral representation of the exterior Laplacian to study exterior problems. In particular the Fourier splitting method developed by M.E.
Kosloff, Leonardo, Schonbek, Tomas
openaire   +2 more sources

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