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Related papers: Fractional Laplace operator on finite graphs

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For a self--adjoint Laplace operator on a finite, not necessarily compact, metric graph lower and upper bounds on each of the negative eigenvalues are derived. For compact finite metric graphs Poincar\'{e} type inequalities are given.

Spectral Theory · Mathematics 2021-03-29 Amru Hussein

For a finite reflection subgroup $G\leq O(n+1,1,\mR)$ of the conformal group of the sphere with standard conformal structure $(S^n,[g_0])$, we geometrically derive differential-difference Dunkl version of the series of conformally invariant…

Differential Geometry · Mathematics 2013-05-06 P. Somberg

In this paper, we propose and analyze a finite element discretization for the computation of fractional minimal graphs of order~$s \in (0,1/2)$ on a bounded domain $\Omega$. Such a Plateau problem of order $s$ can be reinterpreted as a…

Numerical Analysis · Mathematics 2020-03-26 Juan Pablo Borthagaray , Wenbo Li , Ricardo H. Nochetto

In this paper, we introduce the notion of oriented faces especially triangles in a connected oriented locally finite graph. This framework then permits to define the Laplace operator on this structure of the 2-simplicial complex. We develop…

Spectral Theory · Mathematics 2018-02-26 Yassin Chebbi

The dynamic Laplace operator arises from extending problems of isoperimetry from fixed manifolds to manifolds evolved by general nonlinear dynamics. Eigenfunctions of this operator are used to identify and track finite-time coherent sets,…

Dynamical Systems · Mathematics 2019-06-19 Nathanael Schilling , Gary Froyland , Oliver Junge

We consider the normalized Laplace operator for directed graphs with positive and negative edge weights. This generalization of the normalized Laplace operator for undirected graphs is used to characterize directed acyclic graphs. Moreover,…

Combinatorics · Mathematics 2012-02-01 Frank Bauer

This paper deals with multiplicity and bifurcation results for nonlinear problems driven by the fractional Laplace operator $(-\Delta)^s$ and involving a critical Sobolev term. In particular, we consider $$\begin{cases}…

Analysis of PDEs · Mathematics 2016-07-18 Alessio Fiscella , Giovanni Molica Bisci , Raffaella Servadei

The purpose of this work is to study a finite element method for finding solutions to the eigenvalue problem for the fractional Laplacian. We prove that the discrete eigenvalue problem converges to the continuous one and we show the order…

Numerical Analysis · Mathematics 2019-02-04 Juan Pablo Borthagaray , Leandro M. Del Pezzo , Sandra Martínez

We introduce the linear operators of fractional integration and fractional differentiation in the framework of the Riemann-Liouville fractional calculus. Particular attention is devoted to the technique of Laplace transforms for treating…

Mathematical Physics · Physics 2008-05-27 Rudolf Gorenflo , Francesco Mainardi

This paper establishes existence of solutions for a partial differential equation in which a differential operator involving variable exponent growth conditions is present. This operator represents a generalization of the $p(\cdot)$-Laplace…

Analysis of PDEs · Mathematics 2016-03-17 Mihai Mihăilescu , Dušan Repovš

In this PhD thesis, we deal with problems related to nonlocal operators, in particular to the fractional Laplacian and to some other types of fractional derivatives (the Caputo and the Marchaud derivatives). We make an extensive…

Analysis of PDEs · Mathematics 2017-05-03 Claudia Bucur

We deal with symmetry properties for solutions of nonlocal equations of the type $(-\Delta)^s v= f(v)\qquad {in $\R^n$,}$ where $s \in (0,1)$ and the operator $(-\Delta)^s$ is the so-called fractional Laplacian. The study of this nonlocal…

Analysis of PDEs · Mathematics 2008-01-16 Yannick Sire , Enrico Valdinoci

We establish an integration by parts formula in bounded domains for the higher order fractional Laplacian $(-\Delta)^s$ with $s>1$. We also obtain the Pohozaev identity for this operator. Both identities involve local boundary terms, and…

Analysis of PDEs · Mathematics 2015-09-01 Xavier Ros-Oton , Joaquim Serra

Let $\Omega\subset\R^N$ be an arbitrary open set and denote by $(e^{-t(-\Delta)_{\RR^N}^s})_{t\ge 0}$ (where $0<s<1$) the semigroup on $L^2(\RR^N)$ generated by the fractional Laplace operator. In the first part of the paper we show that if…

Analysis of PDEs · Mathematics 2019-02-20 Valentin Keyantuo , Fabian Seoanes , Mahamadi Warma

In this work, we use the integral definition of the fractional Laplace operator and study a sparse optimal control problem involving a fractional, semilinear, and elliptic partial differential equation as state equation; control constraints…

Optimization and Control · Mathematics 2023-12-14 Francisco Bersetche , Francisco Fuica , Enrique Otarola , Daniel Quero

This note is devoted to exploring some analytic-geometric properties of the regularity and capacity associated to the so-called fractional dissipative operator $\partial_t+(-\Delta)^\alpha$, naturally establishing a diagonally sharp…

Analysis of PDEs · Mathematics 2013-01-03 Renjin Jiang , Jie Xiao , Dachun Yang , Zhichun Zhai

The integral fractional Laplacian of order $s \in (0,1)$ is a nonlocal operator. It is known that solutions to the Dirichlet problem involving such an operator exhibit an algebraic boundary singularity regardless of the domain regularity.…

Numerical Analysis · Mathematics 2022-12-29 Juan Pablo Borthagaray , Dmitriy Leykekhman , Ricardo H. Nochetto

We introduce a fractional calculus on time scales using the theory of delta (or nabla) dynamic equations. The basic notions of fractional order integral and fractional order derivative on an arbitrary time scale are proposed, using the…

Classical Analysis and ODEs · Mathematics 2010-12-08 Nuno R. O. Bastos , Dorota Mozyrska , Delfim F. M. Torres

We consider a degenerate parabolic equation associated with the fractional $% p $-Laplace operator $\left( -\Delta \right) _{p}^{s}$\ ($p\geq 2$, $s\in \left( 0,1\right) $) and a monotone perturbation growing like $\left\vert s\right\vert…

Analysis of PDEs · Mathematics 2016-10-17 Ciprian G. Gal , Mahamadi Warma

In this work we study the homogenization for eigenvalues of the fractional $p-$Laplace in a bounded domain both with Dirichlet and Neumann conditions. We obtain the convergence of eigenvalues and the explicit order of the convergence rates.

Analysis of PDEs · Mathematics 2015-08-12 Ariel M. Salort