Optimization Group



2023

55.

Abel, Ulrich; Acu, Ana Maria; Heilmann, Margareta; Raşa, Ioan
Voronovskaja formula for Aldaz–Kounchev–Render operators: uniform convergence
Analysis and Mathematical Physics, 14 (1)
December 2023
ISSN: 1664-235X

54.

Acu, Ana-Maria; Heilmann, Margareta; Raşa, Ioan; Seserman, Andra
Convergence of linking Durrmeyer type modifications of generalized Baskakov operators
Bulletin of the Malaysian Math. Sciences Society, 46 (3)
2023

53.

Abel, Ulrich; Acu, Ana Maria; Heilmann, Margareta; Raşa, Ioan
Genuine Bernstein–Durrmeyer type operators preserving 1 and $x^j$
Annals of Functional Analysis, 15 (1)
2023
Publisher: Springer Science and Business Media LLC
ISSN: 2008-8752

52.

Acu, Ana-Maria; Heilmann, Margareta; Raşa, Ioan; Seserman, Andra
Poisson approximation to the binomial distribution: extensions to the convergence of positive operators
Rev. Real Acad. Cienc. Exactas Fis. Nat. Ser. A-Mat., 117
2023

51.

Abel, Ulrich; Acu, Ana Maria; Heilmann, Margareta; Raşa, Ioan
Positive linear operators preserving certain monomials on [0, ∞)
Dolomites Research Notes on Approximation, 16 :1-9
2023
ISSN: 2035-6803

50.

Acu, Ana-Maria; Heilmann, Margareta; Raşa, Ioan
Some results for the inverse of a Bernstein–Schnabl type operator
Analysis and Mathematical Physics, 13 (1)
2023

49.

Acu, A.M.; Heilmann, Margareta; Raşa, I.; Steopoaie, Ancuta Emilia
Voronovskaja type results for the Aldaz-Kounchev-Render versions of generalized Baskakov Operators
submitted
2023
2022

48.

Acu, Ana-Maria; Dancs, Madalina; Heilmann, Margareta; Raşa, Ioan; Paşca, Vlad
A Bernstein-Schnabl type operator
Applicable Analysis and Discrete Mathematics, 16(2) :495-507
2022

47.

Acu, Ana-Maria; Dancs, Madalina; Heilmann, Margareta; Raşa, Ioan; Paşca, Vlad
Voronovskaya type results for special sequences of operators
RACSAM, 116,19
2022
2021

46.

Acu, Ana-Maria; Heilmann, Margareta; Raşa, Ioan
Eigenstructure and iterates for uniquely ergodic Kantorovich modifications of operators II
Positivity, 25 :1585-1599
2021

45.

Acu, Ana-Maria; Heilmann, Margareta; Raşa, Ioan
Iterates of convolution-type operators
Positivity, 25 :495-506
2021

44.

Acu, Ana-Maria; Gonska, Heiner; Heilmann, Margareta
Remarks on a Bernstein-type operator of Aldaz, Kounchev and Render
2021
2020

43.

Acu, Ana-Maria; Heilmann, Margareta; Raşa, Ioan
Strong converse results for linking operators and convex functions
Journal of Function Spaces
2020

42.

Heilmann, Margareta; Nasaireh, Fadel; Raşa, Ioan
Discrete operators associated with linking operators
Analysis and Mathematical Physics, 10 (72)
2020

41.

Berdysheva, Elena; Heilmann, Margareta; Hennings, Katharina
Pointwise convergence of the Bernstein-Durrmeyer operator with respect to a collection of measures
Journal of Approximation Theory, 251, Article 105339
2020

40.

Abel, Ulrich; Heilmann, Margareta; Kushnirevych, Vitaliy
Convergence of linking Baskakov-type operators
Periodica Mathematica Hungarica, 80 :280-288
2020
2018

39.

Heilmann, Margareta; Nasaireh, Fadel; Raşa, Ioan
Beta and related operators revisited
Constructive Theory of Functions, Proceedings, Page 175-185
CTF 2016
Sozopol, Bulgaria
June 11-17, 2016
In K. Ivanov, G. Nikolov, R. Uluchev, Editor
Publisher: Prof. Marin Drinov Academic Publishing House
2018

38.

Heilmann, Margareta; Raşa, Ioan
C0-semigroups associated with uniquely ergodic Kantorovich modifications of operators
Positivity, 22 :829-835
2018

37.

Heilmann, Margareta; Nasaireh, Fadel; Raşa, Ioan
Complements to Voronovskaja's formula
Mathematics and Computing - ICMC 2018,Volume Springer Proceedings in Mathematics and Computing, Page 127-134
ICMC 2018
Varanasi, India
January 9-11, 2018
In Debdas Ghosh, Debasis Giri, Ram N. Mohapatra, Kouichi Sakurai, Ekrem Savas and Tanmoy Som, Editor
Publisher: Springer
2018
2017

36.

Heilmann, Margareta; Raşa, Ioan
A Nice Representation for a Link between Bernstein-Durrmeyer and Kantorovich Operators
Proceedings of ICMC 2017Volume Springer Proceedings in Mathematics and Computing, Page 312-320
ICMC 2017
Haldia, India
January 2016
In D. Giri et. al., Editor
Publisher: Springer
2017

35.

Heilmann, Margareta; Raşa, Ioan
Eigenstructure and iterates for uniquely ergodic Kantorovich modifications of operators
Positivity, 21 (3) :897-910
2017
2016

34.

Gonska, Heiner; Heilmann, Margareta; Raşa, Ioan
Eigenstructure of the genuine Beta operators of Lupaş and Mühlbach
Stud. Univ. Babes-Bolyai Math., 61 (3) :383-388
2016

33.

Baumann, Katharina; Heilmann, Margareta; Raşa, Ioan
Further results for k-th order Kantorovich modification of linking Baskakov type operators
Results in Mathematics, 69 (3) :297-315
2016
ISSN: 1420-9012

32.

Aral, Ali; Gonska, Heiner; Heilmann, Margareta; Tachev, G.
Quantitative Voronovskaya-type Results for Polynomially Bounded Functions
Results in Mathematics, 70 :313-324
2016
2015

31.

Heilmann, Margareta
Commutativity and Spectral Properties of Genuine Baskakov-Durrmeyer Type Operators and their kth order Kantorovich Modification
Journal of Numerical Analysis and Approximation Theory, 44 (2) :166-179
2015

Last modified: 14.12.2022

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