Ulrich Abel

According to our database, Ulrich Abel authored at least 27 papers between 2000 and 2023.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2023

Asymptotic properties of Kantorovich-type Szász-Mirakjan operators of higher order.

Ulrich Abel, Octavian Agratini, Mircea Ivan

Math. Found. Comput., 2023

2021

On the Durrmeyer-Type Variant and Generalizations of Lototsky-Bernstein Operators.

Ulrich Abel, Octavian Agratini

Symmetry, 2021

2020

Reducing Multiple Integrals of Beukers's Type.

Ulrich Abel, Vitaliy Kushnirevych

Am. Math. Mon., 2020

Convergence of linking Baskakov-type operators.

Ulrich Abel, Margareta Heilmann, Vitaliy Kushnirevych

Period. Math. Hung., 2020

2017

Rolling Curves: An Old Proof of the Roulette Lemma.

Ulrich Abel, Linda Beukemann, Vitaliy Kushnirevych

Am. Math. Mon., 2017

An inequality involving Bernstein polynomials and convex functions.

Ulrich Abel

J. Approx. Theory, 2017

2016

Asymptotic behaviour of Jain operators.

Ulrich Abel, Octavian Agratini

Numer. Algorithms, 2016

2015

The Durrmeyer variant of an operator defined by D.D. Stancu.

Ulrich Abel, Mircea Ivan, Radu Paltanea

Appl. Math. Comput., 2015

Complete monotonicity and zeros of sums of squared Baskakov functions.

Ulrich Abel, Wolfgang Gawronski, Thorsten Neuschel

Appl. Math. Comput., 2015

2014

Geometric series of positive linear operators and the inverse Voronovskaya theorem on a compact interval.

Ulrich Abel, Mircea Ivan, Radu Paltanea

J. Approx. Theory, 2014

2013

A Generalization of the Leibniz Rule.

Ulrich Abel

Am. Math. Mon., 2013

2010

Complete asymptotic expansion for multivariate Bernstein-Durrmeyer operators and quasi-interpolants.

Ulrich Abel, Elena E. Berdysheva

J. Approx. Theory, 2010

A complete asymptotic expansion for a sequence of certain sums.

Ulrich Abel

Appl. Math. Comput., 2010

2009

Over-Iterates of Bernstein's Operators: A Short and Elementary Proof.

Ulrich Abel, Mircea Ivan

Am. Math. Mon., 2009

A Bernstein Polynomial Integral: 11300.

Ulrich Abel

Am. Math. Mon., 2009

An answer to Hermann's conjecture on Bleimann-Butzer-Hahn operators.

Ulrich Abel, Mircea Ivan

J. Approx. Theory, 2009

2007

A Recurrent Identify: 11164.

José Luis Díaz-Barrero, Ulrich Abel, Mircea Ivan

Am. Math. Mon., 2007

Problem 11300.

Ulrich Abel

Am. Math. Mon., 2007

2006

An identity for a general class of approximation operators.

Ulrich Abel

J. Approx. Theory, 2006

A new proof of an identity of Jetter and Stöckler for multivariate Bernstein polynomials.

Ulrich Abel, Zhongkai Li

Comput. Aided Geom. Des., 2006

2005

Rate of convergence of beta operators of second kind for functions with derivatives of bounded variation.

Vijay Gupta, Ulrich Abel, Mircea Ivan

Int. J. Math. Math. Sci., 2005

2004

The complete asymptotic expansionfor a general Durrmeyer variant of the Meyer-Konig and Zeller operators.

Ulrich Abel, Vijay Gupta, Mircea Ivan

Math. Comput. Model., 2004

Asymptotic approximation by de la Valle'e Poussin means and their derivatives.

Ulrich Abel

J. Approx. Theory, 2004

Rate of convergence of bounded variation functions by a Bézier-Durrmeyer variant of the Baskakov operators.

Vijay Gupta, Ulrich Abel

Int. J. Math. Math. Sci., 2004

2003

On the Lagrange Remainder of the Taylor Formula.

Ulrich Abel

Am. Math. Mon., 2003

2002

Reminiscent of Gibbs: 10827.

Ulrich Abel, Douglas B. Tyler

Am. Math. Mon., 2002

2000

Problem 10827.

Ulrich Abel

Am. Math. Mon., 2000