Problem 10827. - Ulrich Abel (Am. Math. Mon., 2000)

Reminiscent of Gibbs: 10827. - Ulrich Abel; Douglas B. Tyler (Am. Math. Mon., 2002)

On the Lagrange Remainder of the Taylor Formula. - Ulrich Abel (Am. Math. Mon., 2003)

Rate of convergence of bounded variation functions by a Bézier-Durrmeyer variant of the Baskakov operators. - Vijay Gupta 002; Ulrich Abel (Int. J. Math. Math. Sci., 2004)

Asymptotic approximation by de la Valle'e Poussin means and their derivatives. - Ulrich Abel (J. Approx. Theory, 2004)

The complete asymptotic expansionfor a general Durrmeyer variant of the Meyer-Konig and Zeller operators. - Ulrich Abel; Vijay Gupta 002; Mircea Ivan (Math. Comput. Model., 2004)

Rate of convergence of beta operators of second kind for functions with derivatives of bounded variation. - Vijay Gupta 002; Ulrich Abel; Mircea Ivan (Int. J. Math. Math. Sci., 2005)

A new proof of an identity of Jetter and Stöckler for multivariate Bernstein polynomials. - Ulrich Abel; Zhongkai Li (Comput. Aided Geom. Des., 2006)

An identity for a general class of approximation operators. - Ulrich Abel (J. Approx. Theory, 2006)

Problem 11300. - Ulrich Abel (Am. Math. Mon., 2007)

A Recurrent Identify: 11164. - José Luis Díaz-Barrero; Ulrich Abel; Mircea Ivan (Am. Math. Mon., 2007)

An answer to Hermann's conjecture on Bleimann-Butzer-Hahn operators. - Ulrich Abel; Mircea Ivan (J. Approx. Theory, 2009)

A Bernstein Polynomial Integral: 11300. - Ulrich Abel (Am. Math. Mon., 2009)

Over-Iterates of Bernstein's Operators: A Short and Elementary Proof. - Ulrich Abel; Mircea Ivan (Am. Math. Mon., 2009)

A complete asymptotic expansion for a sequence of certain sums. - Ulrich Abel (Appl. Math. Comput., 2010)

Complete asymptotic expansion for multivariate Bernstein-Durrmeyer operators and quasi-interpolants. - Ulrich Abel; Elena E. Berdysheva (J. Approx. Theory, 2010)

A Generalization of the Leibniz Rule. - Ulrich Abel (Am. Math. Mon., 2013)

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)

Complete monotonicity and zeros of sums of squared Baskakov functions. - Ulrich Abel; Wolfgang Gawronski; Thorsten Neuschel (Appl. Math. Comput., 2015)

The Durrmeyer variant of an operator defined by D.D. Stancu. - Ulrich Abel; Mircea Ivan; Radu Paltanea (Appl. Math. Comput., 2015)

Asymptotic behaviour of Jain operators. - Ulrich Abel; Octavian Agratini (Numer. Algorithms, 2016)

An inequality involving Bernstein polynomials and convex functions. - Ulrich Abel (J. Approx. Theory, 2017)

Rolling Curves: An Old Proof of the Roulette Lemma. - Ulrich Abel; Linda Beukemann; Vitaliy Kushnirevych (Am. Math. Mon., 2017)

Convergence of linking Baskakov-type operators. - Ulrich Abel; Margareta Heilmann; Vitaliy Kushnirevych (Period. Math. Hung., 2020)

Reducing Multiple Integrals of Beukers's Type. - Ulrich Abel; Vitaliy Kushnirevych (Am. Math. Mon., 2020)

On the Durrmeyer-Type Variant and Generalizations of Lototsky-Bernstein Operators. - Ulrich Abel; Octavian Agratini (Symmetry, 2021)

Asymptotic properties of Kantorovich-type Szász-Mirakjan operators of higher order. - Ulrich Abel; Octavian Agratini; Mircea Ivan (Math. Found. Comput., 2023)

Asymptotic properties for a general class of Szasz-Mirakjan-Durrmeyer operators. - Ulrich Abel; Ana Maria Acu; Margareta Heilmann; Ioan Rasa (CoRR, 2024)

Commutativity and spectral properties for a general class of Szasz-Mirakjan-Durrmeyer operators. - Ulrich Abel; Ana Maria Acu; Margareta Heilmann; Ioan Rasa (CoRR, 2024)

An asymptotic development of the Poisson integral for Laguerre polynomial expansions. - Ulrich Abel (J. Approx. Theory, 2024)