Results 91 to 100 of about 431,197 (172)

Vanishing integrability for Riesz potentials (Theory of function spaces and related topics)

open access: yes, 2023
Our aim in this note is to establish vanishing Morrey-Sobolev integrability for Riesz potentials of functions in Morrey-Orlicz spaces. We discuss the size of the exceptional sets by using a capacity and Hausdorff measure.
Mizuta, Yoshihiro, Shimomura, Tetsu
core  

Pointwise estimates for porous medium type equations with low order terms and measure data

open access: yesElectronic Journal of Differential Equations, 2015
We study a Cauchy-Dirichlet problem with homogeneous boundary conditions on the parabolic boundary of a space-time cylinder for degenerate porous medium type equations with low order terms and a non-negative, finite Radon measure on the right-hand
Stefan Sturm
doaj  

Fractional quantum oscillator and disorder in the vibrational spectra. [PDF]

open access: yesSci Rep, 2022
Stephanovich VA   +4 more
europepmc   +1 more source

GENERALIZED BESSEL AND RIESZ POTENTIALS ON METRIC MEASURE SPACES

open access: yes, 2008
. We introduce generalized Bessel and Riesz potentials on metric measure spaces and the corresponding potential spaces. Estimates of the Bessel and Riesz kernels are given which reflect the intrinsic structure of the spaces.
J. Hu, M. Z Ähle
core  

Continuity properties of Riesz potentials of Orlicz functions

open access: yes, 2009
In this paper we are concerned with Sobolev type inequalities for Riesz potentials of functions in Orlicz classes.
Mizuta, Yoshihiro, Shimomura, Tetsu
core  

An Agmon-Allegretto-Piepenbrink principle for Schrödinger operators. [PDF]

open access: yesRev R Acad Cienc Exactas Fis Nat A Mat, 2022
Buccheri S, Orsina L, Ponce AC.
europepmc   +1 more source

Nonlocal Lagrange multipliers and transport densities

open access: yesBulletin of Mathematical Sciences
We prove the existence of generalized solutions of the Monge–Kantorovich equations with fractional [Formula: see text]-gradient constraint, [Formula: see text], associated to a general, possibly degenerate, linear fractional operator of the type, ℒsu ...
Assis Azevedo   +2 more
doaj   +1 more source

Continuity properties of Riesz potentials of Orlicz functions

open access: yes
In this paper we are concerned with Sobolev type inequalities for Riesz potentials of functions in Orlicz classes.
Mizuta, Yoshihiro, Shimomura, Tetsu
core  

Riesz Potentials and Liouville Operators on Fractals

open access: yes, 2007
An analogue to the theory of Riesz potentials and Liouville operators in R for arbitrary fractal d-sets is developed. Corresponding function spaces agree with traces of euclidean Besov spaces on fractals.
M. Zähle
core  

Continuity estimates for Riesz potentials on polygonal boundaries

open access: yes, 2022
19 pages, 2 figuresRiesz potentials are well known objects of study in the theory of singular integrals that have been the subject of recent, increased interest from the numerical analysis community due to their connections with fractional Laplace ...
Claeys, Xavier   +2 more
core  

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