Results 31 to 40 of about 33,455 (264)

Fractional Revival of Threshold Graphs Under Laplacian Dynamics

open access: yesDiscussiones Mathematicae Graph Theory, 2020
We consider Laplacian fractional revival between two vertices of a graph X. Assume that it occurs at time τ between vertices 1 and 2. We prove that for the spectral decomposition L=∑r=0qθrErL = \sum\nolimits_{r = 0}^q {{\theta _r}{E_r}} of the Laplacian
Kirkland Steve, Zhang Xiaohong
doaj   +1 more source

On Fractional Laplacians

open access: yesCommunications in Partial Differential Equations, 2014
14 pages; this version is considerably ...
MUSINA, Roberta, Nazarov A. I.
openaire   +3 more sources

A detour on a class of nonlocal degenerate operators

open access: yesBruno Pini Mathematical Analysis Seminar, 2023
We present some recent results on a class of degenerate operators which are modeled on the fractional Laplacian, converge to the truncated Laplacian, and are extremal among operators with fractional diffusion along subspaces of possibly different ...
Delia Schiera
doaj   +1 more source

On fractional Laplacians $– 2$

open access: yesAnnales de l'Institut Henri Poincaré C, Analyse non linéaire, 2016
For s > −1 we compare two natural types of fractional Laplacians (−\mathrm{\Delta })^{s} , namely, the “Navier” and the “Dirichlet” ones.
Roberta Musina, Alexander I. Nazarov
openaire   +3 more sources

The Spatially Variant Fractional Laplacian

open access: yesFractional Calculus and Applied Analysis, 2023
We introduce a definition of the fractional Laplacian $(-Δ)^{s(\cdot)}$ with spatially variable order $s:Ω\to [0,1]$ and study the solvability of the associated Poisson problem on a bounded domain $Ω$. The initial motivation arises from the extension results of Caffarelli and Silvestre, and Stinga and Torrea; however the analytical tools and approaches
Andrea N. Ceretani, Carlos N. Rautenberg
openaire   +3 more sources

The Fractional Laplacian with Reflections

open access: yesPotential Analysis, 2023
AbstractMotivated by the notion of isotropic $$\alpha $$ α -stable Lévy processes confined, by reflections, to a bounded open Lipschitz set $$D\subset \mathbb {R}^d$$ D ⊂ R
Bogdan, Krzysztof, Kunze, Markus
openaire   +2 more sources

On the existence of ground state solutions to critical growth problems nonresonant at zero

open access: yesComptes Rendus. Mathématique, 2021
We prove the existence of ground state solutions to critical growth $p$-Laplacian and fractional $p$-Laplacian problems that are nonresonant at zero.
Perera, Kanishka
doaj   +1 more source

Regularity of solutions to a fractional elliptic problem with mixed Dirichlet-Neumann boundary data [PDF]

open access: yes, 2019
In this work we study regularity properties of solutions to fractional elliptic problems with mixed Dirichlet-Neumann boundary data when dealing with the Spectral Fractional ...
Carmona, J.   +3 more
core   +2 more sources

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

Remarks on the Generalized Fractional Laplacian Operator

open access: yesMathematics, 2019
The fractional Laplacian, also known as the Riesz fractional derivative operator, describes an unusual diffusion process due to random displacements executed by jumpers that are able to walk to neighbouring or nearby sites, as well as perform excursions ...
Chenkuan Li   +3 more
doaj   +1 more source

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