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Ulrich Abel
Articles in Scholarly Journals [Incomplete List]
The differential mean value of divided differences
Journal of Mathematical Analysis and Applications, vol. 325, no. 1, pp. 560–570, 2007
A complete asymptotic expansion of power means
Journal of Mathematical Analysis and Applications, vol. 325, no. 1, pp. 554–559, 2007
Local Approximation by Generalized Baskakov-Durrmeyer Operators
Numerical Functional Analysis and Optimization, vol. 28, no. 3, pp. 245–264, 2007
An identity for a general class of approximation operators
Journal of Approximation Theory, vol. 142, no. 1, pp. 20–35, 2006
A new proof of an identity of Jetter and Stöckler for multivariate Bernstein polynomials?
Computer Aided Geometric Design, vol. 23, no. 3, pp. 297–301, 2006
Local approximation by Beta operators
Nonlinear Analysis, vol. 62, no. 1, pp. 41–52, 2005
Rate of convergence of beta operators of second kind for functions with derivatives of bounded variation
International Journal of Mathematics and Mathematical Sciences, vol. 2005, no. 23, pp. 3827–3833, 2005
Rate of convergence of bounded variation functions by a Bézier-Durrmeyer variant of the Baskakov operators
International Journal of Mathematics and Mathematical Sciences, vol. 2004, no. 9, pp. 459–468, 2004
Asymptotic approximation by de la Vall?e Poussin means and their derivatives
Journal of Approximation Theory, vol. 126, no. 2, pp. 115–125, 2004
The mean value theorem of Flett and divided differences
Journal of Mathematical Analysis and Applications, vol. 295, no. 1, pp. 1–9, 2004
The complete asymptotic expansionfor a general Durrmeyer variant of the Meyer-Konig and Zeller operators
Mathematical and Computer Modelling, vol. 40, no. 7-8, pp. 867–875, 2004
The Complete Asymptotic Expansion for Bernstein?Durrmeyer Operators with Jacobi Weights
Mediterranean Journal of Mathematics, vol. 1, no. 4, pp. 487–499, 2004
On the Lagrange Remainder of the Taylor Formula
The American Mathematical Monthly, vol. 110, no. 7, p. 627, 2003
The Complete Asymptotic Expansion for the Left Quasi Interpolants of M?ller's Gamma Operators
Numerical Functional Analysis and Optimization, vol. 24, no. 5 & 6, pp. 427–436, 2003
Journal of Computational Analysis and Applications, vol. 3, no. 4, pp. 331–341, 2001
Some identities for the operator of Bleimann, Butzer and Hahn involving divided differences
Calcolo, vol. 36, no. 3, pp. 143–160, 1999
On the Asymptotic Approximation with Bivariate Operators of Bleimann, Butzer, and Hahn
Journal of Approximation Theory, vol. 97, no. 1, pp. 181–198, 1999
The Complete Asymptotic Expansion for the Meyer-König and Zeller Operators
Journal of Mathematical Analysis and Applications, vol. 208, no. 1, pp. 109–119, 1997
On the asymptotic approximation with operators of Bleimann, Butzer and Hahn
Indagationes Mathematicae, vol. 7, no. 1, pp. 1–9, 1996
The Moments for the Meyer-König and Zeller Operators
Journal of Approximation Theory, vol. 82, no. 3, pp. 352–361, 1995
Sequences with Large Numbers of Prime Value
The American Mathematical Monthly, vol. 100, no. 2, p. 167, 1993
A proof of Mikusinski's theorem on bounded moments with bernstein polynomials
Acta Mathematica Hungarica, vol. 51, no. 3-4, pp. 267–270, 1988
A note on the parameters of rational iteration groups
Aequationes Mathematicae, vol. 27, no. 1, pp. 236–241, 1984
On the uniform approximation to continuous functions by linear aggregates of translations
Mathematische Annalen, vol. 267, no. 4, pp. 453–460, 1984
Ein Approximationssatz f?r den RaumL 1(??, ?)
Archiv der Mathematik, vol. 40, no. 1, pp. 553–558, 1983
On the stabilization of iterative processes
Linear Algebra and its Applications, vol. 43, no. 1, pp. 1–15, 1982
On the group of piecewise linear monotone bijections of an arc
Mathematische Zeitschrift, vol. 171, no. 2, pp. 155–161, 1980