Results 11 to 20 of about 486,669 (177)

Convolutions with the Continuous Primitive Integral [PDF]

open access: yesAbstract and Applied Analysis, 2009
If F is a continuous function on the real line and f=F′ is its distributional derivative, then the continuous primitive integral of distribution f is ∫abf=F(b)−F(a).
Erik Talvila
doaj   +4 more sources

Integral Representation of Functions of Bounded Variation [PDF]

open access: yesJournal of Mathematics, 2019
Functions of bounded variations form important transition between absolute continuous and singular functions. With Bainov’s introduction of impulsive differential equations having solutions of bounded variation, this class of functions had eventually ...
Z. Lipcsey   +3 more
doaj   +3 more sources

On the Riemann-Stieltjes Integral [PDF]

open access: yesMathematics Interdisciplinary Research, 2022
This study contributes to the theory of Riemann-Stieltjes integral. We prove that if all continuous piecewise linear functions are Riemann-Stieltjes integrable with respect to a bounded integrator α : [a,b] → R, then α must be of bounded variation on [a ...
Ali Parsian
doaj   +1 more source

On the order of magnitude of Walsh-Fourier transform [PDF]

open access: yesMathematica Bohemica, 2020
For a Lebesgue integrable complex-valued function $f$ defined on $\mathbb R^+:=[0,\infty)$ let $\hat f$ be its Walsh-Fourier transform. The Riemann-Lebesgue lemma says that $\hat f(y)\to0$ as $y\to\infty$.
Bhikha Lila Ghodadra, Vanda Fülöp
doaj   +1 more source

Grüss-Type Inequalities for Vector-Valued Functions

open access: yesMathematics, 2022
Grüss-type inequalities have been widely studied and applied in different contexts. In this work, we provide and prove vectorial versions of Grüss-type inequalities involving vector-valued functions defined on Rn for inner- and cross-products.
Mohammad W. Alomari   +2 more
doaj   +1 more source

On the approximation of bounded functions by trigonometric polynomials in Hausdorff metric [PDF]

open access: yesИзвестия Саратовского университета. Новая серия: Математика. Механика. Информатика, 2023
The article discusses a method for constructing a spline function to obtain estimates that are exact in order to approximate bounded functions by trigonometric polynomials in the Hausdorff metric.
Sadekova, Ekaterina H.
doaj   +1 more source

On new Milne-type inequalities for fractional integrals

open access: yesJournal of Inequalities and Applications, 2023
In this study, fractional versions of Milne-type inequalities are investigated for differentiable convex functions. We present Milne-type inequalities for bounded functions, Lipschitz functions, functions of bounded variation, etc., found in the ...
Hüseyin Budak   +2 more
doaj   +1 more source

PERTURBED COMPANIONS OF OSTROWSKI TYPE INEQUALITIES FOR 𝑁-TIMES DIFFERENTIABLE FUNCTIONS AND APPLICATIONS

open access: yesПроблемы анализа, 2020
We firstly examine some inequalities obtained by using sets of complex-valued functions for functions whose high order derivatives are restricted. We also give some approximations for the functions whose derivatives up to the order 𝑛−1 (𝑛 ≥ 1) are ...
S. Erden
doaj   +1 more source

Integral representation of functions of bounded second Φ-variation in the sense of Schramm [PDF]

open access: yesOpuscula Mathematica, 2012
In this article we introduce the concept of second \(\Phi\)-variation in the sense of Schramm for normed-space valued functions defined on an interval \([a,b] \subset \mathbb{R}\). To that end we combine the notion of second variation due to de la Vallée
José Giménez   +2 more
doaj   +1 more source

Some Inequalities for Functions of Bounded Variation with Applications to Landau Type Results [PDF]

open access: yes, 2006
Some inequalities for functions of bounded variation that provide reverses for the inequality between the integral mean and the p−norm for p Є [1,∞] are established.
Dragomir, Sever S
core   +1 more source

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