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Operator Inequalities of Morrey Spaces Associated with Karamata Regular Variation [PDF]

open access: goldJournal of Function Spaces, 2017
Karamata regular variation is a basic tool in stochastic process and the boundary blow-up problems for partial differential equations (PDEs). Morrey space is closely related to study of the regularity of solutions to elliptic PDEs.
Jiajia Wang   +3 more
doaj   +2 more sources

General inverse problems for regular variation [PDF]

open access: bronze, 2013
Regular variation of distributional tails is known to be preserved by various linear transformations of some random structures. An inverse problem for regular variation aims at understanding whether the regular variation of a transformed random object is
Damek, Ewa   +3 more
core   +5 more sources

Singular solutions for divergence-form elliptic equations involving regular variation theory: Existence and classification [PDF]

open access: green, 2016
We generalise and sharpen several recent results in the literature regarding the existence and complete classification of the isolated singularities for a broad class of nonlinear elliptic equations of the form \begin{equation} -{\rm div}\,(\mathcal A(|x|
Chang, Ting-Ying, Cîrstea, Florica
core   +4 more sources

Multivariate Regular Variation on Cones: Application to Extreme Values, Hidden Regular Variation and Conditioned Limit Laws [PDF]

open access: green, 2007
Multivariate Regular Variation on Cones: Application to Extreme Values, Hidden Regular Variation and Conditioned Limit ...
Resnick, S.
core   +4 more sources

A Seneta's Conjecture and the Williamson Transform [PDF]

open access: yesSahand Communications in Mathematical Analysis, 2023
Considering slowly varying functions (SVF), %Seneta (2019) Seneta in 2019 conjectured the following implication, for $\alpha\geq1$,$$\int_0^x y^{\alpha-1}(1-F(y))dy\textrm{\ is SVF}\ \Rightarrow\ \int_{0}^x y^{\alpha}dF(y)\textrm{\ is SVF, as $x\to\infty$
Edward Omey, Meitner Cadena
doaj   +1 more source

On solutions of the distributional Bellman equation

open access: yesElectronic Research Archive, 2023
In distributional reinforcement learning (RL), not only expected returns but the complete return distributions of a policy are taken into account. The return distribution for a fixed policy is given as the solution of an associated distributional Bellman
Julian Gerstenberg   +2 more
doaj   +1 more source

Cauchy's functional equation and extensions: Goldie's equation and inequality, the Go{\l}\k{a}b-Schinzel equation and Beurling's equation [PDF]

open access: yes, 2014
The Cauchy functional equation is not only the most important single functional equation, it is also central to regular variation. Classical Karamata regular variation involves a functional equation and inequality due to Goldie; we study this, and its ...
Bingham, N. H., Ostaszewski, A. J.
core   +3 more sources

Truncated Moments for Heavy-Tailed and Related Distribution Classes

open access: yesMathematics, 2023
Suppose that ξ+ is the positive part of a random variable defined on the probability space (Ω,F,P) with the distribution function Fξ. When the moment Eξ+p of order p>0 is finite, then the truncated moment F¯ξ,p(x)=min1,Eξp1I{ξ>x}, defined for all x⩾0, is
Saulius Paukštys   +2 more
doaj   +1 more source

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