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Author ID: rasa.ioan Recent zbMATH articles by "Rasa, Ioan"
Published as: Raşa, Ioan; Rasa, Ioan; Raşa, I.; Rasa, I.; Rasa, Ion; Raşa, Ion; Raṣa, I.
Homepage: http://users.utcluj.ro/~rasai/
External Links: MGP · ORCID · Google Scholar · ResearchGate
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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
11 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 Analysis and Mathematical Physics
5 Journal of Approximation Theory
5 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM
4 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
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 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 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

175 Publications have been cited 1,510 times in 733 Documents Cited by Year
Ulam stability of operators. Zbl 1393.39001
Brzdęk, Janusz; Popa, Dorian; Raşa, Ioan; Xu, Bing
95
2018
On the Hyers-Ulam stability of the linear differential equation. Zbl 1222.34069
Popa, Dorian; Raşa, Ioan
90
2011
Bernstein-type operators which preserve polynomials. Zbl 1228.41019
Cárdenas-Morales, D.; Garrancho, P.; Raşa, I.
58
2011
The new forms of Voronovskaya’s theorem in weighted spaces. Zbl 1334.41015
Acar, Tuncer; Aral, Ali; Rasa, Ioan
57
2016
Hyers-Ulam stability of the linear differential operator with nonconstant coefficients. Zbl 1368.34075
Popa, Dorian; Raşa, Ioan
46
2012
Grüss-type and Ostrowski-type inequalities in approximation theory. Zbl 1254.41011
Acu, A. M.; Gonska, H.; Raşa, I.
45
2011
On the generalized Szász-Mirakyan operators. Zbl 1293.41009
Aral, A.; Inoan, D.; Raşa, I.
44
2014
Markov operators, positive semigroups and approximation processes. Zbl 1352.47001
Altomare, Francesco; Cappelletti Montano, Mirella; Leonessa, Vita; Raşa, Ioan
42
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
38
2006
General King-type operators. Zbl 1181.41041
Gonska, Heiner; Piţul, Paula; Raşa, Ioan
36
2009
New estimates for the differences of positive linear operators. Zbl 1357.41018
Acu, Ana Maria; Raşa, Ioan
33
2016
Kantorovich operators of order \(k\). Zbl 1236.41023
Gonska, Heiner; Heilmann, Margareta; Raşa, Ioan
30
2011
The limiting semigroup of the Bernstein iterates: degree of convergence. Zbl 1121.41004
Gonska, H.; Raşa, I.
25
2006
Asymptotic formulae via a Korovkin-type result. Zbl 1241.41012
Cárdenas-Morales, Daniel; Garrancho, Pedro; Raşa, Ioan
24
2012
Asymptotic behaviour of differentiated Bernstein polynomials. Zbl 1274.41036
Gonska, Heiner; Raşa, Ioan
22
2009
On genuine Bernstein-Durrmeyer operators. Zbl 1145.41004
Gonska, Heiner; Kacsó, Daniela; Raşa, Ioan
21
2006
Positive linear operators preserving \(\tau\) and \(\tau^2\). Zbl 1463.41046
Acar, Tuncer; Aral, Ali; Raşa, Ioan
20
2019
Remarks on some quantitative Korovkin-type results. Zbl 0821.41022
Gavrea, I.; Raşa, I.
18
1993
The Fréchet functional equation with application to the stability of certain operators. Zbl 1238.39008
Popa, Dorian; Raşa, Ioan
18
2012
Hyers-Ulam stability with respect to gauges. Zbl 1404.34016
Brzdęk, Janusz; Popa, Dorian; Raşa, Ioan
18
2017
A generalization of Kantorovich operators for convex compact subsets. Zbl 1383.41003
Altomare, Francesco; Cappelletti Montano, Mirella; Leonessa, Vita; Raşa, Ioan
16
2017
Entropies and Heun functions associated with positive linear operators. Zbl 1410.41039
Raşa, Ioan
15
2015
The eigenstructure of operators linking the Bernstein and the genuine Bernstein-Durrmeyer operators. Zbl 1295.41021
Gonska, Heiner; Raşa, Ioan; Stănilă, Elena-Dorina
15
2014
A survey on estimates for the differences of positive linear operators. Zbl 1463.41047
Acu, Ana Maria; Hodiş, Sever; Raşa, Ioan
14
2018
On the best constant in Hyers-Ulam stability of some positive linear operators. Zbl 1308.41026
Popa, Dorian; Raşa, Ioan
14
2014
Chebyshev-Grüss-type inequalities via discrete oscillations. Zbl 1305.26040
Gonska, Heiner; Raşa, Ioan; Rusu, Maria-Daniela
14
2014
Lipschitz contractions, unique ergodicity and asymptotics of Markov semigroups. Zbl 1268.47013
Altomare, Francesco; Raşa, Ioan
14
2012
On differences of positive linear operators. Zbl 1150.41012
Gonska, Heiner; Piţul, Paula; Raşa, Ioan
13
2006
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
Over-iterates of Bernstein-Stancu operators. Zbl 1150.41013
Gonska, Heiner; Piţul, Paula; Raşa, Ioan
12
2007
On differences of linear positive operators. Zbl 1428.41024
Aral, Ali; Inoan, Daniela; Raşa, Ioan
12
2019
The genuine Bernstein-Durrmeyer operators revisited. Zbl 1253.41020
Gonska, Heiner; Kacsó, Daniela; Raşa, Ioan
12
2012
On Bernstein-Schnabl operators on the unit interval. Zbl 1140.41304
Altomare, Francesco; Leonessa, Vita; Raşa, Ioan
11
2008
Approximation properties of Bernstein-Durrmeyer type operators. Zbl 1410.41030
Cárdenas-Morales, D.; Garrancho, P.; Raşa, I.
11
2014
Elliptic differential operators and positive semigroups associated with generalized Kantorovich operators. Zbl 1460.35098
Altomare, Francesco; Cappelletti Montano, Mirella; Leonessa, Vita; Raşa, Ioan
11
2018
Asymptotic behaviour of iterates of positive linear operators. Zbl 1184.41013
Rasa, Ioan
11
2009
On differential operators associated with Markov operators. Zbl 1285.47048
Altomare, Francesco; Cappelletti Montano, Mirella; Leonessa, Vita; Raşa, Ioan
11
2014
A quantitative version of Trotter’s approximation theorem. Zbl 1118.41007
Mangino, Elisabetta M.; Raşa, Ioan
10
2007
Another look at Voronovskaja type formulas. Zbl 1391.41016
Nasaireh, Fadel; Raşa, Ioan
10
2018
Approximation by \(k\)-th order modifications of Szász-Mirakyan operators. Zbl 1389.41016
Acar, Tuncer; Aral, Ali; Raşa, Ioan
10
2016
Eigenstructure and iterates for uniquely ergodic Kantorovich modifications of operators. Zbl 1375.37016
Heilmann, Margareta; Raşa, Ioan
10
2017
Voronovskaya type theorems in weighted spaces. Zbl 1357.41022
Erençin, Ayşegül; Raşa, Ioan
10
2016
On the stability of some classical operators from approximation theory. Zbl 1284.39032
Popa, Dorian; Raşa, Ioan
10
2013
A sharpening of a problem on Bernstein polynomials and convex functions. Zbl 1400.26031
Abel, Ulrich; Raşa, Ioan
10
2018
Inequalities for certain means in two arguments. Zbl 0938.26011
Sándor, J.; Raşa, I.
9
1997
On approximation by some Bernstein-Kantorovich exponential-type polynomials. Zbl 1449.41005
Aral, Ali; Otrocol, Diana; Raşa, Ioan
9
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
9
2019
Qualitative properties of a class of Fleming–Viot operators. Zbl 1101.47028
Campiti, M.; Rasa, I.
8
2004
Voronovskaya type results and operators fixing two functions. Zbl 1500.41005
Acu, Ana Maria; Măduţa, Alexandra-Ioana; Rasa, Ioan
8
2021
Differences of positive linear operators and the second order modulus. Zbl 1249.41014
Gonska, Heiner; Raşa, Ioan
8
2008
Further results for \(k\)th order Kantorovich modification of linking Baskakov type operators. Zbl 1339.41030
Baumann, Katharina; Heilmann, Margareta; Raşa, Ioan
8
2016
\(k\)th order Kantorovich type modification of the operators \(U^{\rho}_n\). Zbl 1358.41017
Heilmann, Margareta; Raşa, Ioan
8
2014
On infinite products of positive linear operators reproducing linear functions. Zbl 1271.41006
Gonska, Heiner; Raşa, Ioan
8
2013
Asymptotic behaviour of differential Bernstein polynomials revisited. Zbl 1212.41057
Gonska, Heiner; Heilmann, Margareta; Rasa, Ioan
8
2010
Remarks on Voronovskaya’s theorem. Zbl 1199.41028
Gonska, Heiner; Raşa, Ioan
8
2008
Overiterated linear operators and asymptotic behaviour of semigroups. Zbl 1179.41021
Attalienti, Antonio; Rasa, Ioan
7
2008
Convexity properties of some entropies. II. Zbl 1429.26016
Raşa, Ioan
7
2019
\(k\)th order Kantorovich modification of linking Baskakov-type operators. Zbl 1337.41010
Heilmann, Margareta; Raşa, Ioan
7
2015
Convexity properties of some entropies. Zbl 1448.94118
Raşa, Ioan
7
2018
On the decomposition of Bernstein operators. Zbl 1315.41010
Heilmann, Margareta; Raşa, Ioan
7
2015
On some operators linking the Bernstein and the genuine Bernstein-Durrmeyer operators. Zbl 1359.41014
Raşa, Ioan; Stǎnilǎ, Elena
7
2014
Approximation properties of Szász-Mirakyan operators preserving exponential functions. Zbl 1436.41012
Aral, Ali; Inoan, Daniela; Raşa, Ioan
6
2019
On some classes of diffusion equations and related approximation problems. Zbl 1077.35026
Altomare, Francesco; Rasa, Ioan
6
2005
Bounds for some entropies and special functions. Zbl 1449.94049
Bărar, Adina; Mocanu, Gabriela Raluca; Raşa, Ioan
6
2018
Generalized Bernstein Kantorovich operators: Voronovskaya type results, convergence in variation. Zbl 07752797
Acu, Ana Maria; Aral, Ali; Raşa, Ioan
6
2022
Information potential for some probability density functions. Zbl 1465.94032
Acu, Ana-Maria; Başcanbaz-Tunca, Gülen; Rasa, Ioan
6
2021
On Markov operators preserving polynomials. Zbl 1320.47035
Altomare, Francesco; Cappelletti Montano, Mirella; Leonessa, Vita; Raşa, Ioan
6
2014
A Voronovskaya estimate with second order modulus of smoothness. Zbl 1212.41016
Gonska, Heiner; Raşa, Ioan
6
2008
Applications of an Ostrowski type inequality. Zbl 1269.26001
Gonska, Heiner; Raşa, Ioan; Rusu, Maria-Daniela
6
2012
On Jessen’s inequality. Zbl 0786.26013
Pečarić, J. E.; Raşa, I.
5
1992
Towards a characterization of a class of differential operators associated with positive projections. Zbl 0917.35042
Altomare, Francesco; Raşa, Ioan
5
1998
Feller semigroups, Bernstein type operators and generalized convexity associated with positive projections. Zbl 0938.41013
Altomare, Francesco; Rasa, Ioan
5
1999
On a class of exponential-type operators and their limit semigroups. Zbl 1076.41010
Altomare, Francesco; Raşa, Ioan
5
2005
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
Best constant in Hyers-Ulam stability of some functional equations. Zbl 1349.39055
Popa, Dorian; Raşa, Ioan
5
2014
Systems of nonlinear algebraic equations with unique solution. Zbl 1312.65081
Ciurte, Anca; Nedevschi, Sergiu; Rasa, Ioan
5
2015
Power series of Bernstein operators and approximation of resolvents. Zbl 1259.41033
Raşa, Ioan
5
2012
Čhebyšhev-Grüss-type inequalities revisited. Zbl 1324.26023
Gonska, Heiner; Raşa, Ioan; Rusu, Maria-Daniela
5
2013
\(C_0\)-semigroups associated with uniquely ergodic Kantorovich modifications of operators. Zbl 1395.37003
Heilmann, Margareta; Raşa, Ioan
5
2018
Heun functions related to entropies. Zbl 1416.33031
Bărar, Adina; Mocanu, Gabriela; Raşa, Ioan
5
2019
Korovkin approximation and parabolic functions. Zbl 0783.41019
Rasa, I.
4
1991
Classes of convex functions associated with Bernstein operators of second kind. Zbl 1111.26014
Rasa, Ioan
4
2006
A note on Jessen’s inequality. Zbl 0661.26008
Raşa, I.
4
1988
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
Voronovskaya type results for special sequences of operators. Zbl 1483.41005
Acu, Ana-Maria; Dancs, Madalina; Heilmann, Margareta; Paşca, Vlad; Rasa, Ioan
4
2022
Iterates of convolution-type operators. Zbl 1465.41006
Acu, Ana-Maria; Heilmann, Margareta; Rasa, Ioan
4
2021
Approximate solutions of the logistic equation and Ulam stability. Zbl 1402.39016
Popa, Dorian; Rasa, Ioan; Viorel, Adrian
4
2018
Steklov averages as positive linear operators. Zbl 1474.41067
Popa, Dorian; Raşa, Ioan
4
2016
An algorithm for solving some nonlinear systems with applications to extremum problems. Zbl 1250.65071
Ciurte, Anca; Nedevschi, Sergiu; Rasa, Ioan
4
2012
A nice representation for a link between Bernstein-Durrmeyer and Kantorovich operators. Zbl 1514.41018
Heilmann, Margareta; Raşa, Ioan
4
2017
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
4
2009
Beta operators with Jacobi weights. Zbl 1416.41025
Gonska, Heiner; Raşa, Ioan; Stănilă, Elena-Dorina
4
2014
Altomare projections and Lototsky-Schnabl operators. Zbl 0818.41018
Rasa, Ioan
3
1994
On Soardi’s Berstein operators of second kind. Zbl 1022.41019
Raşa, Ioan
3
2000
A Voronovskaya-type theorem. Zbl 1022.41018
Ivan, Mircea; Raşa, Ioan
3
2001
Feller semigroups, elliptic operators and Altomare projections. Zbl 1019.47035
Rasa, Ioan
3
2002
Lototsky-Schnabl operators on the unit interval. Zbl 0951.41009
Adell, José A.; de la Cal, Jesús; Raşa, Ioan
3
1999
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 07723650
Acu, Ana-Maria; Buscu, Ioan Cristian; Rasa, Ioan
3
2023
New properties of operators preserving exponentials. Zbl 1524.41050
Acu, Ana-Maria; Aral, Ali; Rasa, Ioan
2
2023
Poisson approximation to the binomial distribution: extensions to the convergence of positive operators. Zbl 07762401
Acu, Ana-Maria; Heilmann, Margareta; Rasa, Ioan; Seserman, Andra
2
2023
A discrete probability distribution and some applications. Zbl 1505.60018
Acu, Ana-Maria; Rasa, Ioan
1
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
Generalized Bernstein Kantorovich operators: Voronovskaya type results, convergence in variation. Zbl 07752797
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
4
2022
Relations between the Bernstein polynomials and \(q\)-monotone functions. Zbl 1528.26021
Abel, Ulrich; Leviatan, Dany; Raşa, Ioan
2
2022
A Bernstein-Schnabl type operator: applications to difference equations. Zbl 1513.41016
Acu, Ana-Maria; Dancs, Madalina; Heilmann, Margareta; Paşca, Vlad; Raşa, Ioan
1
2022
Functional equations related to Appell polynomials and Heun functions. Zbl 1511.39018
Acu, Ana-Maria; Rasa, Ioan
1
2022
Voronovskaya type results and operators fixing two functions. Zbl 1500.41005
Acu, Ana Maria; Măduţa, Alexandra-Ioana; Rasa, Ioan
8
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
Bounds for indices of coincidence and entropies. Zbl 1466.94012
Acu, Ana Maria; Başcanbaz-Tunca, Gülen; Raşa, Ioan
2
2021
Iterates and invariant measures for Markov operators. Zbl 1484.41010
Acu, Ana-Maria; Rasa, Ioan
2
2021
Eigenstructure and iterates for uniquely ergodic Kantorovich modifications of operators. II. Zbl 1490.41012
Acu, Ana-Maria; Heilmann, Margareta; Rasa, Ioan
2
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
Heun equations and combinatorial identities. Zbl 1488.33074
Barar, Adina; Mocanu, Gabriela; 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
2
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
20
2019
On differences of linear positive operators. Zbl 1428.41024
Aral, Ali; Inoan, Daniela; Raşa, Ioan
12
2019
On approximation by some Bernstein-Kantorovich exponential-type polynomials. Zbl 1449.41005
Aral, Ali; Otrocol, Diana; Raşa, Ioan
9
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
9
2019
Convexity properties of some entropies. II. Zbl 1429.26016
Raşa, Ioan
7
2019
Approximation properties of Szász-Mirakyan operators preserving exponential functions. Zbl 1436.41012
Aral, Ali; Inoan, Daniela; Raşa, Ioan
6
2019
Heun functions related to entropies. Zbl 1416.33031
Bărar, Adina; Mocanu, Gabriela; Raşa, Ioan
5
2019
Ulam stability of operators. Zbl 1393.39001
Brzdęk, Janusz; Popa, Dorian; Raşa, Ioan; Xu, Bing
95
2018
A survey on estimates for the differences of positive linear operators. Zbl 1463.41047
Acu, Ana Maria; Hodiş, Sever; Raşa, Ioan
14
2018
Elliptic differential operators and positive semigroups associated with generalized Kantorovich operators. Zbl 1460.35098
Altomare, Francesco; Cappelletti Montano, Mirella; Leonessa, Vita; Raşa, Ioan
11
2018
Another look at Voronovskaja type formulas. Zbl 1391.41016
Nasaireh, Fadel; Raşa, Ioan
10
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
7
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
5
2018
Approximate solutions of the logistic equation and Ulam stability. Zbl 1402.39016
Popa, Dorian; Rasa, Ioan; Viorel, Adrian
4
2018
Beta and related operators revisited. Zbl 1445.41015
Heilmann, Margareta; Nasaireh, Fadel; 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
Hyers-Ulam stability of the Laplace operator. Zbl 1388.39018
Popa, Dorian; Raşa, Ioan
1
2018
Convergence properties of nets of operators. Zbl 1382.41019
Nasaireh, Fadel; Popa, Dorian; Rasa, Ioan
1
2018
Smoothness and shape preserving properties of Bernstein semigroup. Zbl 1482.47082
Hodiş, Sever; Mesaroş, Laura; Raşa, Ioan
1
2018
Hyers-Ulam stability with respect to gauges. Zbl 1404.34016
Brzdęk, Janusz; Popa, Dorian; Raşa, Ioan
18
2017
A generalization of Kantorovich operators for convex compact subsets. Zbl 1383.41003
Altomare, Francesco; Cappelletti Montano, Mirella; Leonessa, Vita; Raşa, Ioan
16
2017
Eigenstructure and iterates for uniquely ergodic Kantorovich modifications of operators. Zbl 1375.37016
Heilmann, Margareta; Raşa, Ioan
10
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
2
2017
Systems of nonlinear algebraic equations with positive solutions. Zbl 1372.65145
Ciurte, Anca; Nedevschi, Sergiu; Rasa, 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
On the composition and decomposition of positive linear operators (V). Zbl 1379.41022
Gonska, Heiner; Raşa, Ioan
1
2017
The new forms of Voronovskaya’s theorem in weighted spaces. Zbl 1334.41015
Acar, Tuncer; Aral, Ali; Rasa, Ioan
57
2016
New estimates for the differences of positive linear operators. Zbl 1357.41018
Acu, Ana Maria; Raşa, Ioan
33
2016
Best constant in stability of some positive linear operators. Zbl 1353.39028
Popa, Dorian; Raşa, Ioan
13
2016
Approximation by \(k\)-th order modifications of Szász-Mirakyan operators. Zbl 1389.41016
Acar, Tuncer; Aral, Ali; Raşa, Ioan
10
2016
Voronovskaya type theorems in weighted spaces. Zbl 1357.41022
Erençin, Ayşegül; Raşa, Ioan
10
2016
Further results for \(k\)th order Kantorovich modification of linking Baskakov type operators. Zbl 1339.41030
Baumann, Katharina; Heilmann, Margareta; Raşa, Ioan
8
2016
Steklov averages as positive linear operators. Zbl 1474.41067
Popa, Dorian; Raşa, Ioan
4
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
15
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
1
2015
On the generalized Szász-Mirakyan operators. Zbl 1293.41009
Aral, A.; Inoan, D.; Raşa, I.
44
2014
Markov operators, positive semigroups and approximation processes. Zbl 1352.47001
Altomare, Francesco; Cappelletti Montano, Mirella; Leonessa, Vita; Raşa, Ioan
42
2014
The eigenstructure of operators linking the Bernstein and the genuine Bernstein-Durrmeyer operators. Zbl 1295.41021
Gonska, Heiner; Raşa, Ioan; Stănilă, Elena-Dorina
15
2014
On the best constant in Hyers-Ulam stability of some positive linear operators. Zbl 1308.41026
Popa, Dorian; Raşa, Ioan
14
2014
Chebyshev-Grüss-type inequalities via discrete oscillations. Zbl 1305.26040
Gonska, Heiner; Raşa, Ioan; Rusu, Maria-Daniela
14
2014
Approximation properties of Bernstein-Durrmeyer type operators. Zbl 1410.41030
Cárdenas-Morales, D.; Garrancho, P.; Raşa, I.
11
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
Complete monotonicity and limit of a generalized Euler sequence. Zbl 1308.40002
Popa, Dorian; Raşa, Ioan
1
2014
The eigenstructure of some positive linear operators. Zbl 1389.41027
Attalienti, Antonio; Raşa, Ioan
1
2014
On the stability of some classical operators from approximation theory. Zbl 1284.39032
Popa, Dorian; Raşa, Ioan
10
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
2
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
Hyers-Ulam stability of the linear differential operator with nonconstant coefficients. Zbl 1368.34075
Popa, Dorian; Raşa, Ioan
46
2012
Asymptotic formulae via a Korovkin-type result. Zbl 1241.41012
Cárdenas-Morales, Daniel; Garrancho, Pedro; Raşa, Ioan
24
2012
The Fréchet functional equation with application to the stability of certain operators. Zbl 1238.39008
Popa, Dorian; Raşa, Ioan
18
2012
Lipschitz contractions, unique ergodicity and asymptotics of Markov semigroups. Zbl 1268.47013
Altomare, Francesco; Raşa, Ioan
14
2012
The genuine Bernstein-Durrmeyer operators revisited. Zbl 1253.41020
Gonska, Heiner; Kacsó, Daniela; Raşa, Ioan
12
2012
...and 75 more Documents
all top 5

Cited by 589 Authors

96 Rasa, Ioan
56 Acu, Ana Maria
38 Gupta, Vijay
29 Aral, Ali
24 Acar, Tuncer
22 Heilmann, Margareta
22 Onitsuka, Masakazu
19 Agrawal, Purshottam Narain
18 Popa, Dorian
17 Abel, Ulrich
16 Jung, Soon-Mo
16 Kajla, Arun
16 Mursaleen, Mohammad
15 Altomare, Francesco
15 Brzdęk, Janusz
14 Costarelli, Danilo
13 Vinti, Gianluca
12 Leonessa, Vita
12 Mishra, Vishnu Narayan
12 Tachev, Gancho T.
11 Bardaro, Carlo
11 Gonska, Heinz Herbert
11 Mantellini, Ilaria
10 Anderson, Douglas Robert
10 Deo, Naokant
10 Gavrea, Ioan
10 Ivan, Mircea Dumitru
10 Wang, Jinrong
9 Campiti, Michele
9 Cárdenas-Morales, Daniel
9 Dragičević, Davor
9 Păltănea, Radu
8 Birou, Marius Mihai
8 Khan, Asif
7 Bascanbaz-Tunca, Gulen
7 Dragomir, Sever Silvestru
7 El-hady, El-sayed
7 Garrancho, Pedro
7 Popa, Dumitru
6 Ansari, Khursheed Jamal
6 Baias, Alina-Ramona
6 Chu, Yuming
6 Ciepliński, Krzysztof
6 Draganov, Borislav R.
6 El-Fassi, Iz-Iddine
6 Holhoş, Adrian
6 Khodaei, Hamid
6 Mohiuddine, Syed Abdul
6 Shen, Yonghong
6 Xu, Tianzhou
6 Zada, Akbar
5 Abbas, Zaheer
5 Agratini, Octavian
5 Alotaibi, Abdullah M.
5 Angeloni, Laura
5 Cai, Qingbo
5 Erençin, Ayşegül
5 Inoan, Daniela Ioana
5 Komisarski, Andrzej
5 Leviatan, Dany
5 Mahmudov, Nazim Idrisoglu
5 Ozarslan, Mehmet Ali
5 Qasim, Mohd
5 Radu, Voichiţa Adriana
5 Rassias, Themistocles Michael
5 Tacelli, Cristian
5 Usta, Fuat
4 Adell, José Antonio
4 Backes, Lucas H.
4 Çekım, Bayram
4 Çetin, Nursel
4 Finta, Zoltán
4 Gal, Sorin Gheorghe
4 Gavrea, Bogdan I.
4 Ịçöz, Gürhan
4 İnce İlarslan, Hatice Gül
4 Kaskasem, Prondanai
4 Klin-Eam, Chakkrid
4 Li, Yongjin
4 Mangino, Elisabetta M.
4 Marian, Daniela
4 Miclăuş, Dan
4 Mocanu, Gabriela Raluca
4 Park, Choonkil
4 Patel, Prashantkumar Gordhanbhai
4 Rajba, Teresa
4 Rao, Nadeem
4 Rassias, Michael Th.
4 Roh, Jaiok
4 Sucu, Sezgin
4 Ulusoy, Gulsum
4 Wang, Chun
4 Xu, Xiaowei
4 Yilmaz, Övgü Gürel
3 Abdollahpour, Mohammad Reza
3 Agrawal, Deepika
3 Agrawal, Gunjan
3 Alagoz, Osman
3 Albanese, Angela Anna
3 Alghamdi, Mohammed Ali
...and 489 more Authors
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Cited in 152 Serials

68 Results in Mathematics
38 Journal of Mathematical Analysis and Applications
36 Applied Mathematics and Computation
30 Mediterranean Journal of Mathematics
26 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM
25 Constructive Mathematical Analysis
22 Journal of Inequalities and Applications
21 Mathematical Foundations of Computing
20 Positivity
20 Journal of Function Spaces
16 Journal of Approximation Theory
16 Numerical Functional Analysis and Optimization
16 Advances in Difference Equations
15 Applied Mathematics Letters
12 Aequationes Mathematicae
12 Filomat
11 Computers & Mathematics with Applications
11 Abstract and Applied Analysis
11 Bulletin of the Malaysian Mathematical Sciences Society. Second Series
11 Journal of Mathematical Inequalities
9 Analysis and Mathematical Physics
8 Periodica Mathematica Hungarica
8 Numerical Algorithms
8 The Journal of Analysis
7 Mathematical Methods in the Applied Sciences
7 Demonstratio Mathematica
7 Bulletin of the Iranian Mathematical Society
7 Georgian Mathematical Journal
6 Rendiconti del Circolo Matemàtico di Palermo. Serie II
5 Rocky Mountain Journal of Mathematics
5 Mathematical Inequalities & Applications
5 Kragujevac Journal of Mathematics
5 Journal of Fixed Point Theory and Applications
5 Annals of Functional Analysis
4 Mathematische Nachrichten
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 Hacettepe Journal of Mathematics and Statistics
3 Applicable Analysis and Discrete 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 Mathematical and Computer Modelling
2 Expositiones Mathematicae
2 Applied Mathematics. Series B (English Edition)
2 Computational and Applied Mathematics
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 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 Journal of Applied Mathematics
2 Acta Mathematica Scientia. Series B. (English Edition)
2 Communications on Pure and Applied Analysis
2 Journal of Applied Mathematics and Computing
2 Thai Journal of Mathematics
2 Transactions of National Academy of Sciences of Azerbaijan. Series of Physical-Technical and Mathematical Sciences
2 Banach Journal of Mathematical Analysis
2 Journal of Nonlinear Science and Applications
2 Journal of Linear and Topological Algebra
2 Open Mathematics
2 Advances in Operator Theory
2 AIMS Mathematics
2 Results in Applied Mathematics
1 Indian Journal of Pure & Applied Mathematics
1 Acta Mathematica Vietnamica
1 BIT
1 Fundamenta Mathematicae
1 International Journal of Mathematics and Mathematical Sciences
1 Journal of Functional Analysis
1 Journal of the London Mathematical Society. Second Series
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
1 Zeitschrift für Analysis und ihre Anwendungen
1 Bulletin of the Korean Mathematical Society
1 Note di Matematica
1 Acta Mathematica Hungarica
1 Acta Applicandae Mathematicae
1 Computer Aided Geometric Design
1 Constructive Approximation
...and 52 more Serials
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Cited in 44 Fields

448 Approximations and expansions (41-XX)
127 Difference and functional equations (39-XX)
106 Operator theory (47-XX)
94 Real functions (26-XX)
87 Ordinary differential equations (34-XX)
28 Numerical analysis (65-XX)
26 Functional analysis (46-XX)
25 Partial differential equations (35-XX)
24 Special functions (33-XX)
20 Dynamical systems and ergodic theory (37-XX)
20 Probability theory and stochastic processes (60-XX)
19 Information and communication theory, circuits (94-XX)
15 Functions of a complex variable (30-XX)
11 Integral equations (45-XX)
9 Sequences, series, summability (40-XX)
7 Integral transforms, operational calculus (44-XX)
7 Biology and other natural sciences (92-XX)
6 Combinatorics (05-XX)
6 Harmonic analysis on Euclidean spaces (42-XX)
5 General topology (54-XX)
4 Number theory (11-XX)
4 Statistics (62-XX)
3 Linear and multilinear algebra; matrix theory (15-XX)
3 Group theory and generalizations (20-XX)
3 Convex and discrete geometry (52-XX)
3 Systems theory; control (93-XX)
2 Order, lattices, ordered algebraic structures (06-XX)
2 Topological groups, Lie groups (22-XX)
2 Potential theory (31-XX)
2 Computer science (68-XX)
2 Operations research, mathematical programming (90-XX)
1 History and biography (01-XX)
1 Algebraic geometry (14-XX)
1 Associative rings and algebras (16-XX)
1 Category theory; homological algebra (18-XX)
1 \(K\)-theory (19-XX)
1 Measure and integration (28-XX)
1 Several complex variables and analytic spaces (32-XX)
1 Abstract harmonic analysis (43-XX)
1 Algebraic topology (55-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)

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