Results 41 to 50 of about 72 (71)

On the Approximation by Convolution Operators in Homogeneous Banach Spaces of Periodic Functions

open access: yes, 2011
AMS Subject Classification 2010: 41A25, 41A27, 41A35, 41A36, 41A40, 42Al6, 42A85.The paper is concerned with establishing direct estimates for convolution operators on homogeneous Banach spaces of periodic functions by means of appropriately defined ...
Draganov, Borislav R.
core  

Overiterated Linear Operator and Asymptotic Behaviour of Semigroups

open access: yes, 2008
The results provided hereby are related to the asymptotic behaviour of certain strongly continuous semigroups, which may be expressed in terms of iterates of positive linear operators, in the sense of Altomare’s theory. We present some applications to
RASA I., ATTALIENTI, Antonio
core  

Shape-preserving properties and asymptotic behaviour of the semigroup related to Black-Scholes equation

open access: yes, 2008
The paper is devoted to a careful analysis of the shape-preserving properties of the strongly continuous semigroup generated by a particular second-order differential operator, with particular emphasis on the preservation of higher order convexity and ...
ATTALIENTI, Antonio, I. RASA
core  

Complex Operators Generated by q-Bernstein Polynomials, q≥1: Dedicated to the memory of Akif D. Gadjiev

open access: yes, 2016
By using an univalent and analytic function τ in a suitable open disk centered in origin, we attach to analytic functions f, the complex Bernstein-type operators of the form B_{n,q}^{τ}(f)=B_{n,q}(f∘τ⁻¹)∘τ , where B_{n,q} denote the classical complex q ...
BAȘCANBAZ-TUNCA, Gülen   +2 more
core  

The Norms of Minimal Projections onto Some Subspaces of ...

open access: yes, 2002
this paper is to determine the norms of minimal projections onto some symmetric subspaces of ` 1 (i.e. R equipped with the ` 1 norm), (see De nition 2.1 and Theorem 3.1). This extends Theorem 2.6 from [1].
Thomas Zajac
core  

Generalized Jacobi-Weierstrass operators and Jacobi expansions. [PDF]

open access: yesJ Inequal Appl, 2018
Adell JA   +3 more
europepmc   +1 more source

Genuine modified Bernstein-Durrmeyer operators. [PDF]

open access: yesJ Inequal Appl, 2018
Mohiuddine SA, Acar T, Alghamdi MA.
europepmc   +1 more source

Abstract Korovkin-type theorems in modular spaces and applications

open access: yesOpen Mathematics, 2013
Bardaro Carlo   +3 more
doaj   +1 more source

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