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Author ID: rasa.ioan Recent zbMATH articles by "Rașa, Ioan"
Published as: Raşa, Ioan; Rasa, Ioan; Raşa, I.; Rasa, I.; Rasa, Ion; Raşa, Ion; Rașa, Ioan; Raṣa, I.
Homepage: http://users.utcluj.ro/~rasai/
External Links: MGP · ORCID · Wikidata · Google Scholar · ResearchGate · Math-Net.Ru · dblp
Documents Indexed: 275 Publications since 1975, including 2 Books and 12 Additional arXiv Preprints
1 Contribution as Editor
Reviewing Activity: 538 Reviews
Biographic References: 1 Publication
Co-Authors: 70 Co-Authors with 206 Joint Publications
1,072 Co-Co-Authors
all top 5

Serials

24 Mathématica – Revue d’Analyse Numérique et de Théorie de l’Approximation. L’Analyse Numérique et la Théorie de l’Approximation
15 Results in Mathematics
12 Studia Universitatis Babeș-Bolyai. Mathematica
11 Revue d’Analyse Numérique et de Théorie de l’Approximation
11 Mediterranean Journal of Mathematics
9 Positivity
8 Carpathian Journal of Mathematics
6 Journal of Mathematical Analysis and Applications
6 Applied Mathematics and Computation
6 Numerical Functional Analysis and Optimization
6 General Mathematics
6 Annals of the Tiberiu Popoviciu Seminar of Functional Equations, Approximation and Convexity
6 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM
6 Analysis and Mathematical Physics
5 Journal of Approximation Theory
5 Acta Mathematica Hungarica
4 Numerical Algorithms
4 Preprint. “Babeș-Bolyai” University. Faculty of Mathematics and Physics. Research Seminars
3 Mathematical Inequalities & Applications
3 Journal of Function Spaces
3 Mathematical Foundations of Computing
3 Constructive Mathematical Analysis
2 Periodica Mathematica Hungarica
2 Acta Scientiarum Mathematicarum
2 Studia Scientiarum Mathematicarum Hungarica
2 Aequationes Mathematicae
2 Atti del Seminario Matematico e Fisico dell’Università di Modena
2 Journal of Computational Analysis and Applications
2 Journal of Applied Functional Analysis
2 Applicable Analysis and Discrete Mathematics
2 Banach Journal of Mathematical Analysis
2 Jaen Journal on Approximation
2 Annals of Functional Analysis
2 Dolomites Research Notes on Approximation
1 Applicable Analysis
1 Computers & Mathematics with Applications
1 Ukrainian Mathematical Journal
1 Annales Universitatis Mariae Curie-Skłodowska. Sectio A. Mathematica
1 Archiv der Mathematik
1 Calcolo
1 Conferenze del Seminario di Matematica dell’Università di Bari
1 Czechoslovak Mathematical Journal
1 Demonstratio Mathematica
1 Journal of Functional Analysis
1 Matematički Vesnik
1 Mathématica – Revue d’Analyse Numérique et de Théorie de l’Approximation. Mathématica
1 Mathematica Slovaca
1 Publications de l’Institut Mathématique. Nouvelle Série
1 Rendiconti del Circolo Matemàtico di Palermo. Serie II
1 Siberian Mathematical Journal
1 Southeast Asian Bulletin of Mathematics
1 Buletinul Științific al Institutului Politehnic Cluj-Napoca. Seria: Electrotehnica-Energetica-Informatica
1 Zeitschrift für Analysis und ihre Anwendungen
1 Approximation Theory and its Applications
1 Buletinul Științific al Institutului Politehnic Cluj-Napoca. Seria: Matematică, Mecanică Aplicată. Construcții de Mașini
1 Applied Mathematics Letters
1 Mathematica Balkanica. New Series
1 Expositiones Mathematicae
1 Nieuw Archief voor Wiskunde. Vierde Serie
1 Filomat
1 Buletinul Academiei de Științe a Republicii Moldova. Matematica
1 Automation, Computers, Applied Mathematics
1 The Ramanujan Journal
1 Abstract and Applied Analysis
1 Taiwanese Journal of Mathematics
1 Journal of Inequalities and Applications
1 Annales Mathematicae Silesianae
1 JIPAM. Journal of Inequalities in Pure & Applied Mathematics
1 Mathematical Modelling and Analysis
1 Bulletin of the Malaysian Mathematical Sciences Society. Second Series
1 Journal of Applied Mathematics and Computing
1 Fixed Point Theory
1 Miskolc Mathematical Notes
1 Preprint. “Babeș-Bolyai” University. Faculty of Mathematics. Research Seminars
1 De Gruyter Studies in Mathematics
1 Journal of Fixed Point Theory and Applications
1 Journal of Mathematical Inequalities
1 Bollettino dell’Unione Matematica Italiana. Series IX
1 Journal of Numerical Analysis and Approximation Theory
1 Advances in the Theory of Nonlinear Analysis and its Applications
1 Mathematical Analysis and its Applications

Publications by Year

Citations contained in zbMATH Open

185 Publications have been cited 1,692 times in 827 Documents Cited by Year
Ulam stability of operators. Zbl 1393.39001
Brzdęk, Janusz; Popa, Dorian; Raşa, Ioan; Xu, Bing
109
2018
On the Hyers-Ulam stability of the linear differential equation. Zbl 1222.34069
Popa, Dorian; Raşa, Ioan
95
2011
The new forms of Voronovskaya’s theorem in weighted spaces. Zbl 1334.41015
Acar, Tuncer; Aral, Ali; Rasa, Ioan
67
2016
Bernstein-type operators which preserve polynomials. Zbl 1228.41019
Cárdenas-Morales, D.; Garrancho, P.; Raşa, I.
64
2011
Markov operators, positive semigroups and approximation processes. Zbl 1352.47001
Altomare, Francesco; Cappelletti Montano, Mirella; Leonessa, Vita; Raşa, Ioan
53
2014
Grüss-type and Ostrowski-type inequalities in approximation theory. Zbl 1254.41011
Acu, A. M.; Gonska, H.; Raşa, I.
52
2011
Hyers-Ulam stability of the linear differential operator with nonconstant coefficients. Zbl 1368.34075
Popa, Dorian; Raşa, Ioan
50
2012
On the generalized Szász-Mirakyan operators. Zbl 1293.41009
Aral, A.; Inoan, D.; Raşa, I.
47
2014
On Peano’s form of the Taylor remainder, Voronovskaja’s theorem and the commutator of positive linear operators. Zbl 1123.41012
Gonska, Heiner; Piţul, Paula; Raşa, Ioan
41
2006
General King-type operators. Zbl 1181.41041
Gonska, Heiner; Piţul, Paula; Raşa, Ioan
38
2009
New estimates for the differences of positive linear operators. Zbl 1357.41018
Acu, Ana Maria; Raşa, Ioan
34
2016
Kantorovich operators of order \(k\). Zbl 1236.41023
Gonska, Heiner; Heilmann, Margareta; Raşa, Ioan
33
2011
Asymptotic formulae via a Korovkin-type result. Zbl 1241.41012
Cárdenas-Morales, Daniel; Garrancho, Pedro; Raşa, Ioan
26
2012
The limiting semigroup of the Bernstein iterates: degree of convergence. Zbl 1121.41004
Gonska, H.; Raşa, I.
25
2006
A generalization of Kantorovich operators for convex compact subsets. Zbl 1383.41003
Altomare, Francesco; Cappelletti Montano, Mirella; Leonessa, Vita; Raşa, Ioan
25
2017
Positive linear operators preserving \(\tau\) and \(\tau^2\). Zbl 1463.41046
Acar, Tuncer; Aral, Ali; Raşa, Ioan
25
2019
Asymptotic behaviour of differentiated Bernstein polynomials. Zbl 1274.41036
Gonska, Heiner; Raşa, Ioan
23
2009
Remarks on some quantitative Korovkin-type results. Zbl 0821.41022
Gavrea, I.; Raşa, I.
22
1993
On genuine Bernstein-Durrmeyer operators. Zbl 1145.41004
Gonska, Heiner; Kacsó, Daniela; Raşa, Ioan
22
2006
Hyers-Ulam stability with respect to gauges. Zbl 1404.34016
Brzdęk, Janusz; Popa, Dorian; Raşa, Ioan
20
2017
The Fréchet functional equation with application to the stability of certain operators. Zbl 1238.39008
Popa, Dorian; Raşa, Ioan
20
2012
The eigenstructure of operators linking the Bernstein and the genuine Bernstein-Durrmeyer operators. Zbl 1295.41021
Gonska, Heiner; Raşa, Ioan; Stănilă, Elena-Dorina
16
2014
On the best constant in Hyers-Ulam stability of some positive linear operators. Zbl 1308.41026
Popa, Dorian; Raşa, Ioan
16
2014
Chebyshev-Grüss-type inequalities via discrete oscillations. Zbl 1305.26040
Gonska, Heiner; Raşa, Ioan; Rusu, Maria-Daniela
16
2014
Entropies and Heun functions associated with positive linear operators. Zbl 1410.41039
Raşa, Ioan
16
2015
Lipschitz contractions, unique ergodicity and asymptotics of Markov semigroups. Zbl 1268.47013
Altomare, Francesco; Raşa, Ioan
15
2012
A survey on estimates for the differences of positive linear operators. Zbl 1463.41047
Acu, Ana Maria; Hodiş, Sever; Raşa, Ioan
15
2018
Approximation by \(k\)-th order modifications of Szász-Mirakyan operators. Zbl 1389.41016
Acar, Tuncer; Aral, Ali; Raşa, Ioan
14
2016
The genuine Bernstein-Durrmeyer operators revisited. Zbl 1253.41020
Gonska, Heiner; Kacsó, Daniela; Raşa, Ioan
14
2012
Elliptic differential operators and positive semigroups associated with generalized Kantorovich operators. Zbl 1460.35098
Altomare, Francesco; Cappelletti Montano, Mirella; Leonessa, Vita; Raşa, Ioan
14
2018
Voronovskaya type theorems in weighted spaces. Zbl 1357.41022
Erençin, Ayşegül; Raşa, Ioan
13
2016
On differences of positive linear operators. Zbl 1150.41012
Gonska, Heiner; Piţul, Paula; Raşa, Ioan
13
2006
Over-iterates of Bernstein-Stancu operators. Zbl 1150.41013
Gonska, Heiner; Piţul, Paula; Raşa, Ioan
13
2007
Best constant in stability of some positive linear operators. Zbl 1353.39028
Popa, Dorian; Raşa, Ioan
13
2016
\(C_0\)-semigroups and iterates of positive linear operators: asymptotic behaviour. Zbl 1470.41023
Rasa, Ioan
13
2010
Another look at Voronovskaja type formulas. Zbl 1391.41016
Nasaireh, Fadel; Raşa, Ioan
12
2018
On Bernstein-Schnabl operators on the unit interval. Zbl 1140.41304
Altomare, Francesco; Leonessa, Vita; Raşa, Ioan
12
2008
Approximation properties of Bernstein-Durrmeyer type operators. Zbl 1410.41030
Cárdenas-Morales, D.; Garrancho, P.; Raşa, I.
12
2014
On differences of linear positive operators. Zbl 1428.41024
Aral, Ali; Inoan, Daniela; Raşa, Ioan
12
2019
Asymptotic behaviour of iterates of positive linear operators. Zbl 1184.41013
Rasa, Ioan
11
2009
On the stability of some classical operators from approximation theory. Zbl 1284.39032
Popa, Dorian; Raşa, Ioan
11
2013
On differential operators associated with Markov operators. Zbl 1285.47048
Altomare, Francesco; Cappelletti Montano, Mirella; Leonessa, Vita; Raşa, Ioan
11
2014
Eigenstructure and iterates for uniquely ergodic Kantorovich modifications of operators. Zbl 1375.37016
Heilmann, Margareta; Raşa, Ioan
11
2017
A Nice representation for a link between Baskakov- and Szász-Mirakjan-Durrmeyer operators and their Kantorovich variants. Zbl 1404.41007
Heilmann, Margareta; Raşa, Ioan
11
2019
On approximation by some Bernstein-Kantorovich exponential-type polynomials. Zbl 1449.41005
Aral, Ali; Otrocol, Diana; Raşa, Ioan
11
2019
Remarks on Voronovskaya’s theorem. Zbl 1199.41028
Gonska, Heiner; Raşa, Ioan
10
2008
A quantitative version of Trotter’s approximation theorem. Zbl 1118.41007
Mangino, Elisabetta M.; Raşa, Ioan
10
2007
A sharpening of a problem on Bernstein polynomials and convex functions. Zbl 1400.26031
Abel, Ulrich; Raşa, Ioan
10
2018
Further results for \(k\)th order Kantorovich modification of linking Baskakov type operators. Zbl 1339.41030
Baumann, Katharina; Heilmann, Margareta; Raşa, Ioan
9
2016
Inequalities for certain means in two arguments. Zbl 0938.26011
Sándor, J.; Raşa, I.
9
1997
Voronovskaya type results and operators fixing two functions. Zbl 1500.41005
Acu, Ana Maria; Măduţa, Alexandra-Ioana; Rasa, Ioan
9
2021
Asymptotic behaviour of differential Bernstein polynomials revisited. Zbl 1212.41057
Gonska, Heiner; Heilmann, Margareta; Rasa, Ioan
8
2010
Qualitative properties of a class of Fleming–Viot operators. Zbl 1101.47028
Campiti, M.; Rasa, I.
8
2004
On some classes of diffusion equations and related approximation problems. Zbl 1077.35026
Altomare, Francesco; Rasa, Ioan
8
2005
On infinite products of positive linear operators reproducing linear functions. Zbl 1271.41006
Gonska, Heiner; Raşa, Ioan
8
2013
\(k\)th order Kantorovich type modification of the operators \(U^{\rho}_n\). Zbl 1358.41017
Heilmann, Margareta; Raşa, Ioan
8
2014
Convexity properties of some entropies. Zbl 1448.94118
Raşa, Ioan
8
2018
Convexity properties of some entropies. II. Zbl 1429.26016
Raşa, Ioan
8
2019
Differences of positive linear operators and the second order modulus. Zbl 1249.41014
Gonska, Heiner; Raşa, Ioan
8
2008
A Voronovskaya estimate with second order modulus of smoothness. Zbl 1212.41016
Gonska, Heiner; Raşa, Ioan
7
2008
Power series of Bernstein operators and approximation of resolvents. Zbl 1259.41033
Raşa, Ioan
7
2012
On some operators linking the Bernstein and the genuine Bernstein-Durrmeyer operators. Zbl 1359.41014
Raşa, Ioan; Stǎnilǎ, Elena
7
2014
\(k\)th order Kantorovich modification of linking Baskakov-type operators. Zbl 1337.41010
Heilmann, Margareta; Raşa, Ioan
7
2015
On the decomposition of Bernstein operators. Zbl 1315.41010
Heilmann, Margareta; Raşa, Ioan
7
2015
Approximation properties of Szász-Mirakyan operators preserving exponential functions. Zbl 1436.41012
Aral, Ali; Inoan, Daniela; Raşa, Ioan
7
2019
Overiterated linear operators and asymptotic behaviour of semigroups. Zbl 1179.41021
Attalienti, Antonio; Rasa, Ioan
7
2008
Feller semigroups, Bernstein type operators and generalized convexity associated with positive projections. Zbl 0938.41013
Altomare, Francesco; Rasa, Ioan
7
1999
On Jessen’s inequality. Zbl 0786.26013
Pečarić, J. E.; Raşa, I.
6
1992
Applications of an Ostrowski type inequality. Zbl 1269.26001
Gonska, Heiner; Raşa, Ioan; Rusu, Maria-Daniela
6
2012
On Markov operators preserving polynomials. Zbl 1320.47035
Altomare, Francesco; Cappelletti Montano, Mirella; Leonessa, Vita; Raşa, Ioan
6
2014
Information potential for some probability density functions. Zbl 1465.94032
Acu, Ana-Maria; Başcanbaz-Tunca, Gülen; Rasa, Ioan
6
2021
Bounds for some entropies and special functions. Zbl 1449.94049
Bărar, Adina; Mocanu, Gabriela Raluca; Raşa, Ioan
6
2018
\(C_0\)-semigroups associated with uniquely ergodic Kantorovich modifications of operators. Zbl 1395.37003
Heilmann, Margareta; Raşa, Ioan
6
2018
Generalized Bernstein Kantorovich operators: Voronovskaya type results, convergence in variation. Zbl 1538.41039
Acu, Ana Maria; Aral, Ali; Raşa, Ioan
6
2022
On a class of exponential-type operators and their limit semigroups. Zbl 1076.41010
Altomare, Francesco; Raşa, Ioan
5
2005
Convergence of iterates of genuine and ultraspherical Durrmeyer operators to the limiting semigroup: \(C^{2}\)-estimates. Zbl 1184.41005
Gonska, Heiner; Heilmann, Margareta; Raşa, Ioan
5
2009
Korovkin approximation and parabolic functions. Zbl 0783.41019
Rasa, I.
5
1991
Steklov averages as positive linear operators. Zbl 1474.41067
Popa, Dorian; Raşa, Ioan
5
2016
Čhebyšhev-Grüss-type inequalities revisited. Zbl 1324.26023
Gonska, Heiner; Raşa, Ioan; Rusu, Maria-Daniela
5
2013
Systems of nonlinear algebraic equations with unique solution. Zbl 1312.65081
Ciurte, Anca; Nedevschi, Sergiu; Rasa, Ioan
5
2015
Best constant in Hyers-Ulam stability of some functional equations. Zbl 1349.39055
Popa, Dorian; Raşa, Ioan
5
2014
Towards a characterization of a class of differential operators associated with positive projections. Zbl 0917.35042
Altomare, Francesco; Raşa, Ioan
5
1998
Heun functions related to entropies. Zbl 1416.33031
Bărar, Adina; Mocanu, Gabriela; Raşa, Ioan
5
2019
Approximate solutions of the logistic equation and Ulam stability. Zbl 1402.39016
Popa, Dorian; Rasa, Ioan; Viorel, Adrian
5
2018
Iterated Boolean sums of Bernstein type operators. Zbl 1447.41005
Acar, Tuncer; Aral, Ali; Raşa, Ioan
5
2020
Ulam stability of a successive approximation equation. Zbl 1443.39011
Baias, Alina Ramona; Popa, Dorian; Raşa, Ioan
5
2020
Voronovskaya type results for special sequences of operators. Zbl 1483.41005
Acu, Ana-Maria; Dancs, Madalina; Heilmann, Margareta; Paşca, Vlad; Rasa, Ioan
5
2022
Poisson approximation to the binomial distribution: extensions to the convergence of positive operators. Zbl 1535.41022
Acu, Ana-Maria; Heilmann, Margareta; Rasa, Ioan; Seserman, Andra
5
2023
Asymptotic behaviour of certain semigroups generated by differential operators. Zbl 1181.47047
Rasa, Ioan
4
2009
The Jensen inequality: Refinements and applications. Zbl 0585.26012
Andrica, D.; Raşa, I.
4
1985
A note on Jessen’s inequality. Zbl 0661.26008
Raşa, I.
4
1988
An algorithm for solving some nonlinear systems with applications to extremum problems. Zbl 1250.65071
Ciurte, Anca; Nedevschi, Sergiu; Rasa, Ioan
4
2012
Discrete operators associated with certain integral operators. Zbl 1536.41019
Raşa, Ioan
4
2011
On the composition and decomposition of positive linear operators. II. Zbl 1240.41004
Gonska, Heiner; Raşa, Ioan
4
2010
Classes of convex functions associated with Bernstein operators of second kind. Zbl 1111.26014
Rasa, Ioan
4
2006
Beta operators with Jacobi weights. Zbl 1416.41025
Gonska, Heiner; Raşa, Ioan; Stănilă, Elena-Dorina
4
2014
A nice representation for a link between Bernstein-Durrmeyer and Kantorovich operators. Zbl 1514.41018
Heilmann, Margareta; Raşa, Ioan
4
2017
Estimates for the differences of positive linear operators and their derivatives. Zbl 1448.41018
Acu, Ana-Maria; Raşa, Ioan
4
2020
Iterates of convolution-type operators. Zbl 1465.41006
Acu, Ana-Maria; Heilmann, Margareta; Rasa, Ioan
4
2021
Altomare projections and Lototsky-Schnabl operators. Zbl 0818.41018
Rasa, Ioan
3
1994
Poisson approximation to the binomial distribution: extensions to the convergence of positive operators. Zbl 1535.41022
Acu, Ana-Maria; Heilmann, Margareta; Rasa, Ioan; Seserman, Andra
5
2023
Aldaz-Kounchev-Render operators and their approximation properties. Zbl 1512.41016
Acu, Ana-Maria; De Marchi, Stefano; Raşa, Ioan
3
2023
Generalized Kantorovich modifications of positive linear operators. Zbl 1529.41023
Acu, Ana-Maria; Buscu, Ioan Cristian; Rasa, Ioan
3
2023
A discrete probability distribution and some applications. Zbl 1505.60018
Acu, Ana-Maria; Rasa, Ioan
2
2023
New properties of operators preserving exponentials. Zbl 1524.41050
Acu, Ana-Maria; Aral, Ali; Rasa, Ioan
2
2023
On the modification of Mellin convolution operator and its associated information potential. Zbl 1520.41006
Özsaraç, Firat; Acu, Ana Maria; Aral, Ali; Raşa, Ioan
1
2023
Some results for the inverse of a Bernstein-Schnabl type operator. Zbl 1528.41056
Acu, Ana-Maria; Heilmann, Margareta; Rasa, Ioan
1
2023
Rates of convergence for Jakimovski-Leviatan operators in terms of the Ditzian-Totik modulus. Zbl 1535.41021
Acu, Ana-Maria; Adell, José A.; Raşa, Ioan
1
2023
Strongly convex squared norms. Zbl 1540.46016
Acu, Ana-Maria; Rasa, Ioan; Şteopoaie, Ancuţa Emilia
1
2023
Generalized Bernstein Kantorovich operators: Voronovskaya type results, convergence in variation. Zbl 1538.41039
Acu, Ana Maria; Aral, Ali; Raşa, Ioan
6
2022
Voronovskaya type results for special sequences of operators. Zbl 1483.41005
Acu, Ana-Maria; Dancs, Madalina; Heilmann, Margareta; Paşca, Vlad; Rasa, Ioan
5
2022
A Bernstein-Schnabl type operator: applications to difference equations. Zbl 1513.41016
Acu, Ana-Maria; Dancs, Madalina; Heilmann, Margareta; Paşca, Vlad; Raşa, Ioan
2
2022
Functional equations related to Appell polynomials and Heun functions. Zbl 1511.39018
Acu, Ana-Maria; Rasa, Ioan
2
2022
Relations between the Bernstein polynomials and \(q\)-monotone functions. Zbl 1528.26021
Abel, Ulrich; Leviatan, Dany; Raşa, Ioan
2
2022
Voronovskaya type results and operators fixing two functions. Zbl 1500.41005
Acu, Ana Maria; Măduţa, Alexandra-Ioana; Rasa, Ioan
9
2021
Information potential for some probability density functions. Zbl 1465.94032
Acu, Ana-Maria; Başcanbaz-Tunca, Gülen; Rasa, Ioan
6
2021
Iterates of convolution-type operators. Zbl 1465.41006
Acu, Ana-Maria; Heilmann, Margareta; Rasa, Ioan
4
2021
A sequence of Appell polynomials and the associated Jakimovski-Leviatan operators. Zbl 1473.41004
Acu, Ana-Maria; Buscu, Ioan Cristian; Rasa, Ioan
3
2021
Iterates and invariant measures for Markov operators. Zbl 1484.41010
Acu, Ana-Maria; Rasa, Ioan
3
2021
Eigenstructure and iterates for uniquely ergodic Kantorovich modifications of operators. II. Zbl 1490.41012
Acu, Ana-Maria; Heilmann, Margareta; Rasa, Ioan
3
2021
Bounds for indices of coincidence and entropies. Zbl 1466.94012
Acu, Ana Maria; Başcanbaz-Tunca, Gülen; Raşa, Ioan
2
2021
Heun equations and combinatorial identities. Zbl 1488.33074
Barar, Adina; Mocanu, Gabriela; Raşa, Ioan
1
2021
On the \(q\)-monotonicity preservation of Durrmeyer-type operators. Zbl 1484.41003
Abel, Ulrich; Leviatan, Dany; Raşa, Ioan
1
2021
Differences of positive linear operators on simplices. Zbl 1527.41004
Acu, Ana-Maria; Başcanbaz-Tunca, Gülen; Rasa, Ioan
1
2021
On the composition and decomposition of positive linear operators (VII). Zbl 1513.41017
Acu, Ana Maria; Raşa, Ioan
1
2021
Iterated Boolean sums of Bernstein type operators. Zbl 1447.41005
Acar, Tuncer; Aral, Ali; Raşa, Ioan
5
2020
Ulam stability of a successive approximation equation. Zbl 1443.39011
Baias, Alina Ramona; Popa, Dorian; Raşa, Ioan
5
2020
Estimates for the differences of positive linear operators and their derivatives. Zbl 1448.41018
Acu, Ana-Maria; Raşa, Ioan
4
2020
Bounds for solutions of linear differential equations and Ulam stability. Zbl 1474.34069
Blaga, Florina; Mesaroş, Laura; Popa, Dorian; Pugna, Georgiana; Raşa, Ioan
2
2020
Discrete operators associated with linking operators. Zbl 1459.41011
Heilmann, Margareta; Nasaireh, Fadel; Raşa, Ioan
1
2020
Strong converse results for linking operators and convex functions. Zbl 1459.41008
Acu, Ana-Maria; Heilmann, Margareta; Rasa, Ioan
1
2020
Linking Baskakov type operators. Zbl 1460.41003
Acu, Ana Maria; Heilmann, Margareta; Raşa, Ioan
1
2020
Multivariate weighted Kantorovich operators. Zbl 1503.41014
Acu, Ana-Maria; Hodis, Laura; Rasa, Ioan
1
2020
Positive linear operators preserving \(\tau\) and \(\tau^2\). Zbl 1463.41046
Acar, Tuncer; Aral, Ali; Raşa, Ioan
25
2019
On differences of linear positive operators. Zbl 1428.41024
Aral, Ali; Inoan, Daniela; Raşa, Ioan
12
2019
A Nice representation for a link between Baskakov- and Szász-Mirakjan-Durrmeyer operators and their Kantorovich variants. Zbl 1404.41007
Heilmann, Margareta; Raşa, Ioan
11
2019
On approximation by some Bernstein-Kantorovich exponential-type polynomials. Zbl 1449.41005
Aral, Ali; Otrocol, Diana; Raşa, Ioan
11
2019
Convexity properties of some entropies. II. Zbl 1429.26016
Raşa, Ioan
8
2019
Approximation properties of Szász-Mirakyan operators preserving exponential functions. Zbl 1436.41012
Aral, Ali; Inoan, Daniela; Raşa, Ioan
7
2019
Heun functions related to entropies. Zbl 1416.33031
Bărar, Adina; Mocanu, Gabriela; Raşa, Ioan
5
2019
Power series of positive linear operators. Zbl 1414.41011
Acar, Tuncer; Aral, Ali; Raşa, Ioan
2
2019
Ulam stability of operators. Zbl 1393.39001
Brzdęk, Janusz; Popa, Dorian; Raşa, Ioan; Xu, Bing
109
2018
A survey on estimates for the differences of positive linear operators. Zbl 1463.41047
Acu, Ana Maria; Hodiş, Sever; Raşa, Ioan
15
2018
Elliptic differential operators and positive semigroups associated with generalized Kantorovich operators. Zbl 1460.35098
Altomare, Francesco; Cappelletti Montano, Mirella; Leonessa, Vita; Raşa, Ioan
14
2018
Another look at Voronovskaja type formulas. Zbl 1391.41016
Nasaireh, Fadel; Raşa, Ioan
12
2018
A sharpening of a problem on Bernstein polynomials and convex functions. Zbl 1400.26031
Abel, Ulrich; Raşa, Ioan
10
2018
Convexity properties of some entropies. Zbl 1448.94118
Raşa, Ioan
8
2018
Bounds for some entropies and special functions. Zbl 1449.94049
Bărar, Adina; Mocanu, Gabriela Raluca; Raşa, Ioan
6
2018
\(C_0\)-semigroups associated with uniquely ergodic Kantorovich modifications of operators. Zbl 1395.37003
Heilmann, Margareta; Raşa, Ioan
6
2018
Approximate solutions of the logistic equation and Ulam stability. Zbl 1402.39016
Popa, Dorian; Rasa, Ioan; Viorel, Adrian
5
2018
Beta and related operators revisited. Zbl 1445.41015
Heilmann, Margareta; Nasaireh, Fadel; Raşa, Ioan
3
2018
Smoothness and shape preserving properties of Bernstein semigroup. Zbl 1482.47082
Hodiş, Sever; Mesaroş, Laura; Raşa, Ioan
3
2018
On Ulam stability of the second order linear differential equation. Zbl 1412.34175
Popa, Dorian; Pugna, Georgiana; Raşa, Ioan
1
2018
Convergence properties of nets of operators. Zbl 1382.41019
Nasaireh, Fadel; Popa, Dorian; Rasa, Ioan
1
2018
Hyers-Ulam stability of the Laplace operator. Zbl 1388.39018
Popa, Dorian; Raşa, Ioan
1
2018
A generalization of Kantorovich operators for convex compact subsets. Zbl 1383.41003
Altomare, Francesco; Cappelletti Montano, Mirella; Leonessa, Vita; Raşa, Ioan
25
2017
Hyers-Ulam stability with respect to gauges. Zbl 1404.34016
Brzdęk, Janusz; Popa, Dorian; Raşa, Ioan
20
2017
Eigenstructure and iterates for uniquely ergodic Kantorovich modifications of operators. Zbl 1375.37016
Heilmann, Margareta; Raşa, Ioan
11
2017
A nice representation for a link between Bernstein-Durrmeyer and Kantorovich operators. Zbl 1514.41018
Heilmann, Margareta; Raşa, Ioan
4
2017
Complete monotonicity of some entropies. Zbl 1399.94057
Raşa, Ioan
3
2017
Systems of nonlinear algebraic equations with positive solutions. Zbl 1372.65145
Ciurte, Anca; Nedevschi, Sergiu; Rasa, Ioan
1
2017
On the composition and decomposition of positive linear operators (V). Zbl 1379.41022
Gonska, Heiner; Raşa, Ioan
1
2017
Differential operators and approximation processes generated by Markov operators. Zbl 1441.47014
Altomare, F.; Cappelletti Montano, M.; Leonessa, V.; Raşa, I.
1
2017
The new forms of Voronovskaya’s theorem in weighted spaces. Zbl 1334.41015
Acar, Tuncer; Aral, Ali; Rasa, Ioan
67
2016
New estimates for the differences of positive linear operators. Zbl 1357.41018
Acu, Ana Maria; Raşa, Ioan
34
2016
Approximation by \(k\)-th order modifications of Szász-Mirakyan operators. Zbl 1389.41016
Acar, Tuncer; Aral, Ali; Raşa, Ioan
14
2016
Voronovskaya type theorems in weighted spaces. Zbl 1357.41022
Erençin, Ayşegül; Raşa, Ioan
13
2016
Best constant in stability of some positive linear operators. Zbl 1353.39028
Popa, Dorian; Raşa, Ioan
13
2016
Further results for \(k\)th order Kantorovich modification of linking Baskakov type operators. Zbl 1339.41030
Baumann, Katharina; Heilmann, Margareta; Raşa, Ioan
9
2016
Steklov averages as positive linear operators. Zbl 1474.41067
Popa, Dorian; Raşa, Ioan
5
2016
Eigenstructure of the genuine Beta operators of Lupaş and Mühlbach. Zbl 1413.65095
Gonska, Heiner; Heilmann, Margareta; Raşa, Ioan
3
2016
\(C_0\)-semigroups associated with Markov operators. Zbl 1337.47060
Mocanu, Gabriela; Raşa, Ioan
1
2016
Entropies and Heun functions associated with positive linear operators. Zbl 1410.41039
Raşa, Ioan
16
2015
\(k\)th order Kantorovich modification of linking Baskakov-type operators. Zbl 1337.41010
Heilmann, Margareta; Raşa, Ioan
7
2015
On the decomposition of Bernstein operators. Zbl 1315.41010
Heilmann, Margareta; Raşa, Ioan
7
2015
Systems of nonlinear algebraic equations with unique solution. Zbl 1312.65081
Ciurte, Anca; Nedevschi, Sergiu; Rasa, Ioan
5
2015
Power series of the operators \(U_n^\varrho\). Zbl 1318.41006
Gonska, Heiner; Raşa, Ioan; Stănilă, Elena Dorina
3
2015
Markov operators, positive semigroups and approximation processes. Zbl 1352.47001
Altomare, Francesco; Cappelletti Montano, Mirella; Leonessa, Vita; Raşa, Ioan
53
2014
On the generalized Szász-Mirakyan operators. Zbl 1293.41009
Aral, A.; Inoan, D.; Raşa, I.
47
2014
The eigenstructure of operators linking the Bernstein and the genuine Bernstein-Durrmeyer operators. Zbl 1295.41021
Gonska, Heiner; Raşa, Ioan; Stănilă, Elena-Dorina
16
2014
On the best constant in Hyers-Ulam stability of some positive linear operators. Zbl 1308.41026
Popa, Dorian; Raşa, Ioan
16
2014
Chebyshev-Grüss-type inequalities via discrete oscillations. Zbl 1305.26040
Gonska, Heiner; Raşa, Ioan; Rusu, Maria-Daniela
16
2014
Approximation properties of Bernstein-Durrmeyer type operators. Zbl 1410.41030
Cárdenas-Morales, D.; Garrancho, P.; Raşa, I.
12
2014
On differential operators associated with Markov operators. Zbl 1285.47048
Altomare, Francesco; Cappelletti Montano, Mirella; Leonessa, Vita; Raşa, Ioan
11
2014
\(k\)th order Kantorovich type modification of the operators \(U^{\rho}_n\). Zbl 1358.41017
Heilmann, Margareta; Raşa, Ioan
8
2014
On some operators linking the Bernstein and the genuine Bernstein-Durrmeyer operators. Zbl 1359.41014
Raşa, Ioan; Stǎnilǎ, Elena
7
2014
On Markov operators preserving polynomials. Zbl 1320.47035
Altomare, Francesco; Cappelletti Montano, Mirella; Leonessa, Vita; Raşa, Ioan
6
2014
Best constant in Hyers-Ulam stability of some functional equations. Zbl 1349.39055
Popa, Dorian; Raşa, Ioan
5
2014
Beta operators with Jacobi weights. Zbl 1416.41025
Gonska, Heiner; Raşa, Ioan; Stănilă, Elena-Dorina
4
2014
Lagrange-type operators associated with \(U_n^{\varrho}\). Zbl 1349.41040
Gonska, Heiner; Raşa, Ioan; Stănilă, Elena-Dorina
3
2014
Power series of Beta operators. Zbl 1338.41010
Acar, Tuncer; Aral, Ali; Rasa, Ioan
2
2014
Hyers-Ulam stability of some differential equations and differential operators. Zbl 1320.34083
Popa, Dorian; Raşa, Ioan
2
2014
The eigenstructure of some positive linear operators. Zbl 1389.41027
Attalienti, Antonio; Raşa, Ioan
1
2014
Complete monotonicity and limit of a generalized Euler sequence. Zbl 1308.40002
Popa, Dorian; Raşa, Ioan
1
2014
On the stability of some classical operators from approximation theory. Zbl 1284.39032
Popa, Dorian; Raşa, Ioan
11
2013
On infinite products of positive linear operators reproducing linear functions. Zbl 1271.41006
Gonska, Heiner; Raşa, Ioan
8
2013
Čhebyšhev-Grüss-type inequalities revisited. Zbl 1324.26023
Gonska, Heiner; Raşa, Ioan; Rusu, Maria-Daniela
5
2013
On the sequence of composite Bernstein operators (Sur la suite des opérateurs Bernstein composés). Zbl 1349.41039
Gonska, Heiner; Raşa, Ioan
3
2013
A recursive algorithm for Bernstein operators of second kind. Zbl 1283.65012
Inoan, Daniela; Raşa, Ioan
2
2013
Optimality of piecewise image-linear interpolating operators. Zbl 1295.41019
Cárdenas-Morales, D.; Garrancho, P.; Raşa, I.
1
2013
...and 85 more Documents
all top 5

Cited by 636 Authors

105 Rașa, Ioan
66 Acu, Ana Maria
39 Gupta, Vijay
33 Acar, Tuncer
33 Aral, Ali
24 Onitsuka, Masakazu
23 Heilmann, Margareta
22 Agrawal, Purshottam Narain
20 Kajla, Arun
19 Abel, Ulrich
19 Popa, Dorian
18 Altomare, Francesco
17 Brzdęk, Janusz
16 Costarelli, Danilo
16 Jung, Soon-Mo
16 Mursaleen, Mohammad
15 Cappelletti Montano, Mirella
15 Vinti, Gianluca
14 Leonessa, Vita
13 Mantellini, Ilaria
13 Mishra, Vishnu Narayan
12 Bardaro, Carlo
12 Gonska, Heinz Herbert
12 Tachev, Gancho T.
11 Anderson, Douglas Robert
11 Campiti, Michele
11 Deo, Naokant
11 Păltănea, Radu
10 Bascanbaz-Tunca, Gulen
10 Cárdenas-Morales, Daniel
10 Gavrea, Ioan
10 Ivan, Mircea Dumitru
10 Wang, Jinrong
9 El-hady, El-sayed
9 Khan, Asif
9 Mohiuddine, Syed Abdul
8 Alotaibi, Abdullah M.
8 Birou, Marius Mihai
8 Dragomir, Sever Silvestru
8 Gal, Sorin Gheorghe
8 Garrancho, Pedro
8 Zada, Akbar
7 Ciepliński, Krzysztof
7 Draganov, Borislav R.
7 Dragičević, Davor
7 El-Fassi, Iz-Iddine
7 Popa, Dumitru
7 Xu, Tianzhou
6 Ansari, Khursheed Jamal
6 Baias, Alina-Ramona
6 Chu, Yuming
6 Erençin, Ayşegül
6 Holhoş, Adrian
6 Khodaei, Hamid
6 Komisarski, Andrzej
6 Radu, Voichiţa Adriana
6 Rassias, Themistocles Michael
6 Shen, Yonghong
6 Usta, Fuat
5 Abbas, Zaheer
5 Adell, José Antonio
5 Agratini, Octavian
5 Angeloni, Laura
5 Braha, Naim Latif
5 Cai, Qingbo
5 Inoan, Daniela Ioana
5 Leviatan, Dany
5 Mahmudov, Nazim Idrisoglu
5 Marian, Daniela
5 Miclăuş, Dan
5 Ozarslan, Mehmet Ali
5 Özsaraç, Fırat
5 Park, Choonkil
5 Qasim, Mohd
5 Rajba, Teresa
5 Tacelli, Cristian
5 Turgay, Metin
5 Wang, Chun
5 Yilmaz, Övgü Gürel
4 Alagoz, Osman
4 Backes, Lucas H.
4 Baxhaku, Behar
4 Bodur, Murat
4 Çekım, Bayram
4 Çetin, Nursel
4 Ciplea, Sorina Anamaria
4 Deshwal, Sheetal
4 Finta, Zoltán
4 Gavrea, Bogdan I.
4 Ịçöz, Gürhan
4 İnce İlarslan, Hatice Gül
4 Kadak, Ugur
4 Kaskasem, Prondanai
4 Klin-Eam, Chakkrid
4 Li, Yongjin
4 Lungu, Nicolaie
4 Mangino, Elisabetta M.
4 Mocanu, Gabriela Raluca
4 Neer, Trapti
4 Patel, Prashantkumar Gordhanbhai
...and 536 more Authors
all top 5

Cited in 162 Serials

69 Results in Mathematics
40 Journal of Mathematical Analysis and Applications
37 Applied Mathematics and Computation
32 Mediterranean Journal of Mathematics
30 Mathematical Methods in the Applied Sciences
29 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM
26 Constructive Mathematical Analysis
25 Journal of Inequalities and Applications
21 Journal of Function Spaces
21 Mathematical Foundations of Computing
20 Positivity
16 Journal of Approximation Theory
16 Numerical Functional Analysis and Optimization
16 Advances in Difference Equations
15 Applied Mathematics Letters
14 Journal of Mathematical Inequalities
14 Dolomites Research Notes on Approximation
13 Demonstratio Mathematica
13 Aequationes Mathematicae
12 Filomat
12 Abstract and Applied Analysis
12 Bulletin of the Malaysian Mathematical Sciences Society. Second Series
11 Computers & Mathematics with Applications
9 Analysis and Mathematical Physics
8 Periodica Mathematica Hungarica
8 Numerical Algorithms
8 The Journal of Analysis
7 Bulletin of the Iranian Mathematical Society
7 Georgian Mathematical Journal
7 Mathematical Inequalities & Applications
7 Journal of Fixed Point Theory and Applications
6 Mathematische Nachrichten
6 Rendiconti del Circolo Matemàtico di Palermo. Serie II
5 Rocky Mountain Journal of Mathematics
5 Kragujevac Journal of Mathematics
5 Journal of Applied Mathematics and Computing
5 Annals of Functional Analysis
4 Turkish Journal of Mathematics
4 Qualitative Theory of Dynamical Systems
4 Complex Analysis and Operator Theory
4 Afrika Matematika
4 Mathematics
3 Ukrainian Mathematical Journal
3 Matematički Vesnik
3 Semigroup Forum
3 Facta Universitatis. Series Mathematics and Informatics
3 Computational and Applied Mathematics
3 Hacettepe Journal of Mathematics and Statistics
3 Applicable Analysis and Discrete Mathematics
3 Banach Journal of Mathematical Analysis
3 Open Mathematics
2 Bulletin of the Australian Mathematical Society
2 Archiv der Mathematik
2 Calcolo
2 Czechoslovak Mathematical Journal
2 Fuzzy Sets and Systems
2 Mathematica Slovaca
2 Monatshefte für Mathematik
2 Publications de l’Institut Mathématique. Nouvelle Série
2 Quaestiones Mathematicae
2 Bulletin of the Korean Mathematical Society
2 Acta Mathematica Hungarica
2 Mathematical and Computer Modelling
2 Applications of Mathematics
2 Expositiones Mathematicae
2 Applied Mathematics. Series B (English Edition)
2 Bulletin des Sciences Mathématiques
2 Differential Equations and Dynamical Systems
2 Communications de la Faculté des Sciences de l’Université d’Ankara. Séries A1. Mathematics and Statistics
2 Annales Mathematicae Silesianae
2 International Journal of Nonlinear Sciences and Numerical Simulation
2 Mathematical Modelling and Analysis
2 Proceedings of the National Academy of Sciences, India. Section A. Physical Sciences
2 Applied Mathematics E-Notes
2 Journal of Applied Mathematics
2 Acta Mathematica Scientia. Series B. (English Edition)
2 Communications on Pure and Applied Analysis
2 Thai Journal of Mathematics
2 Transactions of National Academy of Sciences of Azerbaijan. Series of Physical-Technical and Mathematical Sciences
2 Journal of Nonlinear Science and Applications
2 Journal of Linear and Topological Algebra
2 Advances in Operator Theory
2 Bollettino dell’Unione Matematica Italiana
2 AIMS Mathematics
2 Results in Applied Mathematics
1 Indian Journal of Pure & Applied Mathematics
1 Acta Mathematica Vietnamica
1 BIT
1 Fasciculi Mathematici
1 Fundamenta Mathematicae
1 International Journal of Mathematics and Mathematical Sciences
1 Journal of Functional Analysis
1 Jnanabha
1 Kyungpook Mathematical Journal
1 Mathematische Annalen
1 Memoirs of the American Mathematical Society
1 Rendiconti del Seminario Matemàtico e Fisico di Milano
1 Siberian Mathematical Journal
1 Theoretical Computer Science
1 Tokyo Journal of Mathematics
...and 62 more Serials
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Cited in 43 Fields

510 Approximations and expansions (41-XX)
143 Difference and functional equations (39-XX)
126 Operator theory (47-XX)
110 Real functions (26-XX)
96 Ordinary differential equations (34-XX)
36 Functional analysis (46-XX)
32 Numerical analysis (65-XX)
28 Special functions (33-XX)
28 Partial differential equations (35-XX)
25 Information and communication theory, circuits (94-XX)
24 Probability theory and stochastic processes (60-XX)
22 Dynamical systems and ergodic theory (37-XX)
18 Integral equations (45-XX)
16 Functions of a complex variable (30-XX)
10 Sequences, series, summability (40-XX)
8 Harmonic analysis on Euclidean spaces (42-XX)
8 Biology and other natural sciences (92-XX)
7 Integral transforms, operational calculus (44-XX)
7 General topology (54-XX)
5 Combinatorics (05-XX)
5 Number theory (11-XX)
5 Statistics (62-XX)
3 Linear and multilinear algebra; matrix theory (15-XX)
3 Group theory and generalizations (20-XX)
3 Topological groups, Lie groups (22-XX)
3 Convex and discrete geometry (52-XX)
3 Systems theory; control (93-XX)
2 Associative rings and algebras (16-XX)
2 Potential theory (31-XX)
2 Computer science (68-XX)
2 Operations research, mathematical programming (90-XX)
1 General and overarching topics; collections (00-XX)
1 History and biography (01-XX)
1 Order, lattices, ordered algebraic structures (06-XX)
1 Algebraic geometry (14-XX)
1 Nonassociative rings and algebras (17-XX)
1 Category theory; homological algebra (18-XX)
1 Measure and integration (28-XX)
1 Several complex variables and analytic spaces (32-XX)
1 Mechanics of particles and systems (70-XX)
1 Statistical mechanics, structure of matter (82-XX)
1 Game theory, economics, finance, and other social and behavioral sciences (91-XX)
1 Mathematics education (97-XX)

Citations by Year

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