Ulrich Abel

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Mircea IvanProfesor of Mathematics, Technical University of Cluj-NapocaVerified email at math.utcluj.ro
Vijay GuptaProfessor of Mathematics, Netaji Subhas University of Technology, New Delhi (NSIT)Verified email at nsit.ac.in
Margareta HeilmannProfessor of Mathematics, University of WuppertalVerified email at math.uni-wuppertal.de
Ioan RașaTechnical University of Cluj-NapocaVerified email at math.utcluj.ro
Octavian AgratiniBabeș - Bolyai University AND Tiberiu Popoviciu Institute of Numerical Analysis, Romanian AcademyVerified email at ubbcluj.ro
Radu PaltaneaProfessor of Mathematics Transilvania University of BrașovVerified email at unitbv.ro
Ram MohapatraProfessor of Mathematics, University of Central Florida, Orlando, FL, 32816Verified email at ucf.edu
Harun KarsliBolu Abant Izzet Baysal University Department of MathematicsVerified email at ibu.edu.tr
p.l. butzerprof in mathematiks, RWTH AACHENVerified email at rwth-aachen.de
Thorsten NeuschelDublin City UniversityVerified email at dcu.ie
ACU Ana-MariaProfessor Dr., "Lucian Blaga" University of SibiuVerified email at ulbsibiu.ro
Thomas RiedelProfessor of Mathematics, University of LouisvilleVerified email at louisville.edu
Ovidiu FurduiUniversitatea Tehnica din Cluj-NapocaVerified email at math.utcluj.ro
Ioan GavreaProfessor of Mathematics,Technical University of Cluj-NapocaVerified email at math.utcluj.ro
Alexandru Lupașmathematician, Tiberiu Popoviciu Institute of Numerical Analysis, "Lucian Blaga" University of SibiuVerified email at ictp.acad.ro

Ulrich Abel

Professor of Mathematics (retired), Technische Hochschule Mittelhessen

Verified email at mnd.thm.de

Approximation Theory


Title Sort by citations Sort by year Sort by title	Cited by Cited by	Year
The moments for the Meyer-König and Zeller operators U Abel Journal of Approximation Theory 82 (3), 352-361, 1995	73	1995
The complete asymptotic expansion for the Meyer-König and Zeller operators U Abel Journal of Mathematical Analysis and Applications 208 (1), 109-119, 1997	70	1997
Local approximation by a variant of Bernstein–Durrmeyer operators U Abel, V Gupta, RN Mohapatra Nonlinear Analysis: Theory, Methods & Applications 68 (11), 3372-3381, 2008	56	2008
An estimate of the rate of convergence of a Bezier variant of the Baskakov-Kantorovich operators for bounded variation functions U Abel, V Gupta Demonstratio Mathematica 36 (1), 123-136, 2003	55	2003
Asymptotic approximation with Kantorovich polynomial U Abel Approximation Theory and its Applications 14 (3), 106-116, 1998	53	1998
On a generalization of an approximation operator defined by A. Lupas U Abel, M Ivan Gen. Math 15 (1), 21-34, 2007	51	2007
On the asymptotic approximation with bivariate operators of Bleimann, Butzer, and Hahn U Abel Journal of Approximation Theory 97 (1), 181-198, 1999	49	1999
Some identities for the operator of Bleimann, Butzer and Hahn involving divided differences U Abel, M Ivan Calcolo 36 (3), 143-160, 1999	47	1999
Asymptotic expansion of the multivariate Bernstein polynomials on a simplex U Abel, M Ivan Technische Hochschule Mittelhessen; Gießen, 2000	42	2000
On the asymptotic approximation with operators of Bleimann, Butzer and Hahn U Abel Indagationes Mathematicae 7 (1), 1-9, 1996	39	1996
Asymptotic approximation by Bernstein-Durrmeyer operators and their derivatives A Ulrich Approximation Theory and its Applications 16 (2), 1-12, 2000	38	2000
The complete asymptotic expansion for Bernstein–Durrmeyer operators with Jacobi weights U Abel, M Heilmann Mediterranean Journal of Mathematics 1, 487-499, 2004	36	2004
Rate of convergence of Beta operators of second kind for functions with derivatives of bounded variation V Gupta, U Abel, M Ivan International Journal of Mathematics and Mathematical Sciences 2005 (23 …, 2005	35	2005
A sharpening of Jordan’s inequality U Abel, D Caccia Amer. Math. Monthly 93 (7), 568-569, 1986	31	1986
Analysis-Asymptotic approximation by the operators of K Balazs and Szabados U Abel, BD Vecchia Acta Scientiarum Mathematicarum 66 (1-2), 137-146, 2000	29	2000
Asymptotic approximation of functions and their derivatives by generalized Baskakov-Százs-Durrmeyer operators U Abel, V Gupta, M Ivan Analysis in Theory and Applications 21 (1), 15-26, 2005	27	2005
Asymptotic expansion of the Jakimovski-Leviatan operators and their derivatives U Abel, M Ivan Functions, Series, Operators, L. Leindler, F. Schipp, J. Szabados (eds …, 2002	27	2002
Over-iterates of Bernstein's operators: a short and elementary proof U Abel, M Ivan The American Mathematical Monthly 116 (6), 535-538, 2009	25	2009
The Durrmeyer variant of an operator defined by DD Stancu U Abel, M Ivan, R Păltănea Applied Mathematics and Computation 259, 116-123, 2015	23	2015
The mean value theorem of Flett and divided differences U Abel, M Ivan, T Riedel Journal of mathematical analysis and applications 295 (1), 1-9, 2004	23	2004

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