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Related papers: A natural Finsler--Laplace operator

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In the first part of this dissertation, we give a new definition of a Laplace operator for Finsler metric as an average, with regard to an angle measure, of the second directional derivatives. This operator is elliptic, symmetric with…

Differential Geometry · Mathematics 2012-04-05 Thomas Barthelmé

We give a Finsler non-linear connection by a new simplified definition for not only regular case but also singular case. In regular case, it corresponds to non-linear connection part of Berwald's connection, but our connection is expressed…

Differential Geometry · Mathematics 2016-02-25 Laszlo Kozma , Takayoshi Ootsuka

This paper is the first in a series of paper where we describe the differential operators on general nonlinear metric measure spaces, namely, the Finsler spaces. We try to propose a general method for gradient estimates of the positive…

Differential Geometry · Mathematics 2024-08-02 Bin Shen

By using a certain second order differential equation, the notion of adapted coordinates on Finsler manifolds is defined and some classifications of complete Finsler manifolds are found. Some examples of Finsler metrics, with positive…

Differential Geometry · Mathematics 2008-12-19 A. Asanjarani , B. Bidabad

In this paper, we present a new derivative via the Laplace transform. The Laplace transform leads to a natural form of the fractional derivative which is equivalent to a Riemann-Liouville derivative with fixed terminal point. We first…

General Mathematics · Mathematics 2020-02-03 Mostafa Rezapour , Adebowale Sijuwade

We introduce a new fractional derivative that generalizes the so-called alternative fractional derivative recently proposed by Katugampola. We denote this new differential operator by $\mathscr{D}_{M}^{\alpha,\beta }$, where the parameter…

Classical Analysis and ODEs · Mathematics 2017-08-18 J. Vanterler da C. Sousa , E. Capelas de Oliveira

The standard Laplace operator is a generalization of the Hodge Laplace operator on differential forms to arbitrary geometric vector bundles, alternatively it can be seen as generalization of the Casimir operator acting on sections of…

Differential Geometry · Mathematics 2017-08-17 Uwe Semmelmann , Gregor Weingart

We define an analogue of the classical Mittag-Leffler function which is applied to two variables, and establish its basic properties. Using a corresponding single-variable function with fractional powers, we define an associated fractional…

Classical Analysis and ODEs · Mathematics 2021-05-03 Arran Fernandez , Cemaliye Kürt , Mehmet Ali Özarslan

The paper introduces Laplace-type operators for functions defined on the tangent space of a Finsler Lie algebroid, using a volume form on the prolongation of the algebroid. It also presents the construction of a horizontal Laplace operator…

Differential Geometry · Mathematics 2017-09-11 Alexandru Ionescu

Nowadays a great attention has been focused on the discrete fractional Laplace operator as the natural counterpart of the continuous one. In this paper, we discretize the fractional Laplace operator $(-\Delta)^{s}$ for an arbitrary finite…

Analysis of PDEs · Mathematics 2025-03-12 Mengjie Zhang , Yong Lin , Yunyan Yang

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

Using the definition of a Finsler--Laplacian given by the first author, we show that two bi-Lipschitz Finsler metrics have a controlled spectrum. We deduce from that several generalizations of Riemannian results. In particular, we show that…

Differential Geometry · Mathematics 2015-06-23 Thomas Barthelmé , Bruno Colbois

We consider a generalization of the classical Laplace operator, which includes the Laplace-Dunkl operator defined in terms of the differential-difference operators associated with finite reflection groups called Dunkl operators. For this…

Mathematical Physics · Physics 2020-09-24 Hendrik De Bie , Roy Oste , Joris Van der Jeugt

In this note we discuss a few properties of transnormal Finsler functions, i.e., the natural generalization of distance functions and isoparametric Finsler functions. In particular, we prove that critical level sets of an analytic…

Differential Geometry · Mathematics 2019-09-11 Marcos M. Alexandrino , Benigno O. Alves , Hengameh R. Dehkordi

Starting from the approach to the Laplacian with respect to coupling measures and undirected weighted graphs, we provide a setting for a general point of view for a Kirchhoff type divergence and a Laplace operators built on the trivial…

Functional Analysis · Mathematics 2020-10-07 Hugo Aimar , Ivana Gómez

The Schr\"odinger operator on a metric tree is a family of ordinary differential operators on its edges complemented by certain matching conditions at the vertices. The regular trees are highly symmetric. This allows one to construct an…

Spectral Theory · Mathematics 2007-05-23 Michael Solomyak

This article reviews several definitions of the fractional Laplace operator (-Delta)^{alpha/2} (0 < alpha < 2) in R^d, also known as the Riesz fractional derivative operator, as an operator on Lebesgue spaces L^p, on the space C_0 of…

Analysis of PDEs · Mathematics 2017-02-15 Mateusz Kwaśnicki

We significantly expand the number of functions whose image under the fractional Laplace operator can be computed explicitly. In particular, we show that the fractional Laplace operator maps Meijer G-functions of |x|^2, or generalized…

Analysis of PDEs · Mathematics 2015-09-30 Bartłomiej Dyda , Alexey Kuznetsov , Mateusz Kwaśnicki

We consider the spectral definition of the fractional Laplace operator and study a basic linear problem involving this operator and singular forcing. In two dimensions, we introduce an appropriate weak formulation in fractional Sobolev…

Numerical Analysis · Mathematics 2026-02-13 Enrique Otarola , Abner J. Salgado

We show that a Krein-Feller operator is naturally associated to a fixed measure $\mu$, assumed positive, $\sigma$-finite, and non-atomic. Dual pairs of operators are introduced, carried by the two Hilbert spaces, $L^{2}\left(\mu\right)$ and…

Functional Analysis · Mathematics 2022-05-17 Palle E. T. Jorgensen , James Tian
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