Results 21 to 30 of about 315 (60)

Chlodowsky variant of Bernstein-type operators on the domain

open access: yesOpen Mathematics
In the present paper, we deal with Bernstein-Chlodowsky type operators for approximating functions on the domain. We first present Bernstein-Chlodowsky type operators in two variables and then we discuss some examples of these operators under a domain ...
Serenbay Sevilay Kırcı   +1 more
doaj   +1 more source

Nonexistence of linear operators extending Lipschitz (pseudo)metric

open access: yes, 2012
We present an example of a zero-dimensional compact metric space $X$ and its closed subspace $A$ such that there is no continuous linear extension operator for the Lipschitz pseudometrics on $A$ to the Lipschitz pseudometrics on $X$.
Repovš, Dušan, Zarichnyi, Mykhailo
core   +1 more source

Commutators for the maximal and sharp functions with weighted Lipschitz functions on weighted Morrey spaces

open access: yesDemonstratio Mathematica
We study the boundedness of commutators of the Hardy-Littlewood maximal function and the sharp maximal function on weighted Morrey spaces when the symbols of the commutators belong to weighted Lipschitz spaces (weighted Morrey-Campanato spaces). Some new
Zhang Pu, Fan Di
doaj   +1 more source

Fractional velocity as a tool for the study of non-linear problems

open access: yes, 2018
Singular functions and, in general, H\"older functions represent conceptual models of nonlinear physical phenomena. The purpose of this survey is to demonstrate the applicability of fractional velocity as a tool to characterize Holder and in particular ...
Prodanov, Dimiter
core   +1 more source

Superposition operator problems of Hölder-Lipschitz spaces

open access: yesDemonstratio Mathematica
Let ff be a function defined on the real line, and Tf{T}_{f} be the corresponding superposition operator which maps hh to Tf(h){T}_{f}\left(h), i.e., Tf(h)=f∘h{T}_{f}\left(h)=f\circ h. In this article, the sufficient and necessary conditions such that Tf{
Niu Yeli, Wang Heping
doaj   +1 more source

Weighted Theorems on Fractional Integrals in the Generalized Hölder Spaces via Indices mω and Mω [PDF]

open access: yes, 2004
Mathematics Subject Classification: 26A16, 26A33, 46E15.There are known various statements on weighted action of one-dimensional and multidimensional fractional integration operators in spaces of continuous functions, such as weighted generalized Hölder ...
Karapetyants, Nikolai, Samko, Natasha
core  

The equality of mixed partial derivatives under weak differentiability conditions

open access: yes, 2014
We review and develop two little known results on the equality of mixed partial derivatives which can be considered the best results so far available in their respective domains.
Minguzzi, E.
core   +1 more source

Lifting differentiable curves from orbit spaces

open access: yes, 2015
Let $\rho : G \rightarrow \operatorname{O}(V)$ be a real finite dimensional orthogonal representation of a compact Lie group, let $\sigma = (\sigma_1,\ldots,\sigma_n) : V \to \mathbb R^n$, where $\sigma_1,\ldots,\sigma_n$ form a minimal system of ...
Parusinski, Adam, Rainer, Armin
core   +1 more source

H\"older Regularity of Geometric Subdivision Schemes [PDF]

open access: yes, 2014
We present a framework for analyzing non-linear $\mathbb{R}^d$-valued subdivision schemes which are geometric in the sense that they commute with similarities in $\mathbb{R}^d$.
Ewald, T., Reif, U., Sabin, M.
core  

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