Results 11 to 20 of about 44 (42)

Univariate right fractional polynomial high order monotone approximation

Demonstratio Mathematica, 2016
Let f ∈ Cr([−1,1]), r ≥ 0 and let L* be a linear right fractional differential operator such that L*(f) ≥ 0 throughout [−1,0]. We can find a sequence of polynomials Qn of degree ≤ n such that L*(Qn) ≥ 0 over [−1,0], furthermore f is approximated right ...
Anastassiou George A.
doaj   +1 more source

On the lower semi‐continuity of the set valued metric projection

International Journal of Mathematics and Mathematical Sciences, Volume 15, Issue 3, Page 455-463, 1992., 1991
The lower semi‐continuity of best approximation operators from Banach lattices on to closed ideals is investigated. Also the existence of best approximation to sub‐function modules of function modules is proved. The order intersection properties of cells are studied and used to prove the above results.
Fowzi Ahmad Sejeeni
wiley   +1 more source

Remarks on orthogonal polynomials with respect to varying measures and related problems

, 1992
International Journal of Mathematics and Mathematical Sciences, Volume 16, Issue 2, Page 255-258, 1993.
Xin Li
wiley   +1 more source

On exact rate of convergence of row sequences of multipoint Hermite-Padé approximants

Demonstratio Mathematica
In this article, we analyze a rate of attraction of poles of an approximated function to poles of incomplete multipoint Padé approximants and use it to derive a sharp bound on the geometric rate of convergence of multipoint Hermite-Padé approximants to a
Bosuwan Nattapong
doaj   +1 more source

Approximation of complex q-Beta-Baskakov-Szász-Stancu operators in compact disk

Demonstratio Mathematica
The purpose this study is to present and investigate the qq-Beta-Baskakov-Szasz-Stancu operator. The operators are accompanied by Voronovskaja-type consequences, which include both an exact approximation order and a quantitative assessment, specifically ...
Cheregi Larisa, Mursaleen Mohammad
doaj   +1 more source

Approximation of fractional derivatives by Brass-Stancu operators

Analele Stiintifice ale Universitatii Ovidius Constanta: Seria Matematica
In this paper, we study uniform approximation of fractional derivatives in Caputo sense by Brass-Stancu operators. For the rate of approximation, we give some estimates in terms of the modulus of continuity.
Başcanbaz-Tunca Gülen, Erençin Ayşegül, Feza Güvenilir A., Păltănea Radu   +3 more
doaj   +1 more source

Global smoothness preservation and simultaneous approximation by multivariate discrete operators: Dedicated to Professor Gheorghe Coman on the occasion of his 80th anniversary

, 2016
In this article we study the multivariate generalized discrete singular operators defined on R N , N ≥ 1, regarding their simultaneus global smoothness preservation property with respect to Lp norm for 1 ≤ p ≤ ∞, by using higher order moduli of ...
KESTER, Merve, ANASTASSIOU, George A.
core  

Genetic Diversity of Epicoccum nigrum and its Effects on Fusarium graminearum. [PDF]

Mycobiology, 2022
Li T, Im J, Lee J.
europepmc   +1 more source

Novel fractional order SIDARTHE mathematical model of COVID-19 pandemic. [PDF]

Chaos Solitons Fractals, 2020
Higazy M.
europepmc   +1 more source

A new kind of Bernstein-Schurer-Stancu-Kantorovich-type operators based on q-integers. [PDF]

J Inequal Appl, 2017
Chauhan R, Ispir N, Agrawal PN.
europepmc   +1 more source