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Very slowly varying functions. II [PDF]

open access: yesColloquium Mathematicum, 2009
This paper is a sequel to both Ash, Erdos and Rubel AER, on very slowly varying functions, and BOst1, on foundations of regular variation. We show that generalizations of the Ash-Erdos-Rubel approach -- imposing growth restrictions on the function h, rather than regularity conditions such as measurability or the Baire property -- lead naturally to the ...
N. H. Bingham, A. J. Ostaszewski
openaire   +1 more source

Some Reiteration Theorems for R, L, RR, RL, LR, and LL Limiting Interpolation Spaces

open access: yesJournal of Function Spaces, 2021
We consider the K-interpolation methods involving slowly varying functions. We establish some reiteration formulae including so-called L or R limiting interpolation spaces as well as the RR, RL, LR, and LL extremal interpolation spaces.
Leo R. Ya. Doktorski
doaj   +1 more source

Combined Effects in Singular Elliptic Problems in Punctured Domain

open access: yesJournal of Function Spaces, 2021
The paper deals with nonlinear elliptic differential equations subject to some boundary value conditions in a regular bounded punctured domain. By means of properties of slowly regularly varying functions at zero and the Schauder fixed-point theorem, we ...
Imed Bachar   +2 more
doaj   +1 more source

The Marcinkiewicz–Zygmund-Type Strong Law of Large Numbers with General Normalizing Sequences under Sublinear Expectation

open access: yesMathematics, 2023
In this paper we study the Marcinkiewicz–Zygmund-type strong law of large numbers with general normalizing sequences under sublinear expectation. Specifically, we establish complete convergence in the Marcinkiewicz–Zygmund-type strong law of large ...
Shuxia Guo, Zhe Meng
doaj   +1 more source

Large Deviation Results and Applications to the Generalized Cramér Model

open access: yesMathematics, 2018
In this paper, we prove large deviation results for some sequences of weighted sums of random variables. These sequences have applications to the probabilistic generalized Cramér model for products of primes in arithmetic progressions; they could lead to
Rita Giuliano, Claudio Macci
doaj   +1 more source

Differences of Slowly Varying Functions

open access: yesJournal of Mathematical Analysis and Applications, 2000
A positive non-decreasing function \(F\) belongs to the class \(\text{O}\Pi^+\) if \(\limsup(t\to\infty)(F(st)- F(t))= M(s)\) is finite for every \(s> 1\). Given a non-decreasing slowly varying function \(L\), if, whenever it is written as a sum \(L= F+G\) of two non-decreasing functions, both \(F\) and \(G\) are slowly varying, \(L\) is said to have ...
Janković, Slobodanka   +1 more
openaire   +1 more source

Reiteration Formulae for the Real Interpolation Method Including L or R Limiting Spaces

open access: yesJournal of Function Spaces, 2020
We consider a real interpolation method defined by means of slowly varying functions. We present some reiteration formulae including so-called L or R limiting interpolation spaces.
Leo R. Ya. Doktorski
doaj   +1 more source

An Improved Multi-Timescale AEKF–AUKF Joint Algorithm for State-of-Charge Estimation of Lithium-Ion Batteries

open access: yesEnergies, 2023
State-of-charge (SoC) estimation is one of the core functions of battery energy management systems. An accurate SoC estimation can guarantee the safe and reliable operation of the batteries system.
Aihua Wu   +4 more
doaj   +1 more source

Very slowly varying functions

open access: yesAequationes Mathematicae, 1972
Let \(\varphi\) be a positive non-decreasing real valued function defined on \([0, \infty)\), and let \(f\) be any real valued function defined on \([0, \infty)\). We say that \(f\) is \(\varphi\)-slowly varying if \(\varphi (x)[f(x+ \alpha)-f(x)] \to 0\) as \(x \to \infty\) for each \(\alpha\). We say that \(f\) is uniformly \(\varphi\)-slowly varying
Erdös, P.   +2 more
openaire   +1 more source

Structural theorems for quasiasymptotics of distributions at infinity [PDF]

open access: yes, 2008
Complete structural theorems for quasiasymptotics of distributions are presented in this article. For this, asymptotically homogeneous functions and associate asymptotically homogeneous functions at infinity with respect to a slowly varying function are ...
Vindas Diaz, Jasson
core   +2 more sources

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