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## Rasa, Ioan

Compute Distance To:
 Author ID: rasa.ioan Published as: Rasa, I.; Rasa, Ioan; Rasa, Ion; Raşa, I.; Raşa, Ioan; Raşa, Ion; Raṣa, I. External Links: MGP
 Documents Indexed: 222 Publications since 1975, including 2 Books Reviewing Activity: 509 Reviews
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#### Co-Authors

 62 single-authored 29 Gonska, Heinz Herbert 20 Popa, Dorian 16 Heilmann, Margareta 14 Altomare, Francesco 10 Aral, Ali 10 Pečarić, Josip 8 Acu, Ana Maria 8 Inoan, Daniela Ioana 7 Campiti, Michele 7 Leonessa, Vita 6 Acar, Tuncer 6 Attalienti, Antonio 5 Cappelletti Montano, Mirella 5 Mocanu, Gabriela Raluca 5 Nasaireh, Fadel 5 Stănilă, Elena-Dorina 5 Toader, Gheorghe 4 Cárdenas-Morales, Daniel 4 Ciurte, Anca 4 Garrancho, Pedro 4 Nedevschi, Sergiu 4 Piţul, Paula Anamaria 4 Rusu, Maria-Daniela 3 Bărar, Adina Elena 3 Hodiş, Sever 3 Kacsó, Daniela P. 3 Mesaroş, Laura 3 Pugna, Georgiana 3 Vladislav, Tiberiu 2 Andrica, Dorin 2 Brzdęk, Janusz 2 Gavrea, Ioan 2 Ivan, Mircea Dumitru 2 Sándor, József 2 Tacelli, Cristian 1 Abel, Ulrich 1 Adell, José Antonio 1 Badea, Catalin 1 Baias, Alina-Ramona 1 Bardaro, Carlo 1 Bascanbaz-Tunca, Gulen 1 Baumann, Katharina 1 Blaga, Florina 1 Câmpian, Vasile 1 de la Cal, Jesús 1 Della Vecchia, Biancamaria 1 Erençin, Ayşegül 1 Ivan, Dumitru Mircea 1 Labsker, L. G. 1 Mache, Detlef-Hauke 1 Mangino, Elisabetta M. 1 Mastroianni, Giuseppe 1 Mininni, Rosamaria 1 Montano, M. Cappelletti 1 Otrocol, Diana 1 Stens, Rudolf L. 1 Vinti, Gianluca 1 Viorel, Adrian 1 Xu, Bing
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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 11 Revue d’Analyse Numérique et de Théorie de l’Approximation 10 Results in Mathematics 10 Studia Universitatis Babeş-Bolyai. Mathematica 10 Mediterranean Journal of Mathematics 7 Carpathian Journal of Mathematics 6 Applied Mathematics and Computation 6 General Mathematics 6 Positivity 6 Annals of the Tiberiu Popoviciu Seminar of Functional Equations, Approximation and Convexity 5 Journal of Mathematical Analysis and Applications 5 Journal of Approximation Theory 5 Numerical Functional Analysis and Optimization 4 Acta Mathematica Hungarica 4 Numerical Algorithms 4 Preprint. “Babeş-Bolyai” University. Faculty of Mathematics and Physics. Research Seminars 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 Mathematical Inequalities & Applications 2 Journal of Computational Analysis and Applications 2 Journal of Applied Functional Analysis 2 Jaen Journal on Approximation 2 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM 2 Analysis and Mathematical Physics 2 Journal of Function Spaces 2 Constructive Mathematical 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 Matematichki 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 Ştiinţific al Institutului Politehnic Cluj-Napoca. Seria: Electrotehnica-Energetica-Informatica 1 Zeitschrift für Analysis und ihre Anwendungen 1 Approximation Theory and its Applications 1 Buletinul Ştiinţific al Institutului Politehnic Cluj-Napoca. Seria: Matematică, Mecanică Aplicată. Construcţii de Maşini 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 Ştiinţe 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 Fixed Point Theory 1 Miskolc Mathematical Notes 1 Preprint. “Babeş-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 Banach Journal of Mathematical Analysis 1 Bollettino dell’Unione Matematica Italiana. Series IX 1 Annals of Functional Analysis 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
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#### Fields

 148 Approximations and expansions (41-XX) 50 Operator theory (47-XX) 44 Real functions (26-XX) 22 Functional analysis (46-XX) 13 Difference and functional equations (39-XX) 12 Probability theory and stochastic processes (60-XX) 10 Partial differential equations (35-XX) 9 Numerical analysis (65-XX) 7 Ordinary differential equations (34-XX) 7 Information and communication theory, circuits (94-XX) 5 Dynamical systems and ergodic theory (37-XX) 4 Special functions (33-XX) 3 Linear and multilinear algebra; matrix theory (15-XX) 3 Measure and integration (28-XX) 2 Biology and other natural sciences (92-XX) 1 General and overarching topics; collections (00-XX) 1 Combinatorics (05-XX) 1 Potential theory (31-XX) 1 Sequences, series, summability (40-XX) 1 Integral equations (45-XX) 1 Calculus of variations and optimal control; optimization (49-XX) 1 General topology (54-XX) 1 Manifolds and cell complexes (57-XX) 1 Mechanics of particles and systems (70-XX) 1 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 1 Systems theory; control (93-XX)

#### Citations contained in zbMATH

128 Publications have been cited 810 times in 417 Documents Cited by Year
On the Hyers-Ulam stability of the linear differential equation. Zbl 1222.34069
Popa, Dorian; Raşa, Ioan
2011
Ulam stability of operators. Zbl 1393.39001
Brzdęk, Janusz; Popa, Dorian; Raşa, Ioan; Xu, Bing
2018
Bernstein-type operators which preserve polynomials. Zbl 1228.41019
Cárdenas-Morales, D.; Garrancho, P.; Raşa, I.
2011
Hyers-Ulam stability of the linear differential operator with nonconstant coefficients. Zbl 1368.34075
Popa, Dorian; Raşa, Ioan
2012
The new forms of Voronovskaya’s theorem in weighted spaces. Zbl 1334.41015
Acar, Tuncer; Aral, Ali; Rasa, Ioan
2016
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
2006
Markov operators, positive semigroups and approximation processes. Zbl 1352.47001
Altomare, Francesco; Cappelletti Montano, Mirella; Leonessa, Vita; Raşa, Ioan
2014
On the generalized Szász-Mirakyan operators. Zbl 1293.41009
Aral, A.; Inoan, D.; Raşa, I.
2014
General King-type operators. Zbl 1181.41041
Gonska, Heiner; Piţul, Paula; Raşa, Ioan
2009
New estimates for the differences of positive linear operators. Zbl 1357.41018
Acu, Ana Maria; Raşa, Ioan
2016
Grüss-type and Ostrowski-type inequalities in approximation theory. Zbl 1254.41011
Acu, A. M.; Gonska, H.; Raşa, I.
2011
The limiting semigroup of the Bernstein iterates: degree of convergence. Zbl 1121.41004
Gonska, H.; Raşa, I.
2006
Kantorovich operators of order $$k$$. Zbl 1236.41023
Gonska, Heiner; Heilmann, Margareta; Raşa, Ioan
2011
Asymptotic behaviour of differentiated Bernstein polynomials. Zbl 1274.41036
Gonska, Heiner; Raşa, Ioan
2009
On genuine Bernstein-Durrmeyer operators. Zbl 1145.41004
Gonska, Heiner; Kacsó, Daniela; Raşa, Ioan
2006
The Fréchet functional equation with application to the stability of certain operators. Zbl 1238.39008
Popa, Dorian; Raşa, Ioan
2012
Chebyshev-Grüss-type inequalities via discrete oscillations. Zbl 1305.26040
Gonska, Heiner; Raşa, Ioan; Rusu, Maria-Daniela
2014
Hyers-Ulam stability with respect to gauges. Zbl 1404.34016
Brzdęk, Janusz; Popa, Dorian; Raşa, Ioan
2017
Asymptotic formulae via a Korovkin-type result. Zbl 1241.41012
Cárdenas-Morales, Daniel; Garrancho, Pedro; Raşa, Ioan
2012
On the best constant in Hyers-Ulam stability of some positive linear operators. Zbl 1308.41026
Popa, Dorian; Raşa, Ioan
2014
On Bernstein-Schnabl operators on the unit interval. Zbl 1140.41304
Altomare, Francesco; Leonessa, Vita; Raşa, Ioan
2008
Remarks on some quantitative Korovkin-type results. Zbl 0821.41022
Gavrea, I.; Raşa, I.
1993
Best constant in stability of some positive linear operators. Zbl 1353.39028
Popa, Dorian; Raşa, Ioan
2016
On the stability of some classical operators from approximation theory. Zbl 1284.39032
Popa, Dorian; Raşa, Ioan
2013
Lipschitz contractions, unique ergodicity and asymptotics of Markov semigroups. Zbl 1268.47013
Altomare, Francesco; Raşa, Ioan
2012
Over-iterates of Bernstein-Stancu operators. Zbl 1150.41013
Gonska, Heiner; Piţul, Paula; Raşa, Ioan
2007
A quantitative version of Trotter’s approximation theorem. Zbl 1118.41007
Mangino, Elisabetta M.; Raşa, Ioan
2007
On differences of positive linear operators. Zbl 1150.41012
Gonska, Heiner; Piţul, Paula; Raşa, Ioan
2006
Inequalities for certain means in two arguments. Zbl 0938.26011
Sándor, J.; Raşa, I.
1997
A generalization of Kantorovich operators for convex compact subsets. Zbl 1383.41003
Altomare, Francesco; Cappelletti Montano, Mirella; Leonessa, Vita; Raşa, Ioan
2017
On differential operators associated with Markov operators. Zbl 1285.47048
Altomare, Francesco; Cappelletti Montano, Mirella; Leonessa, Vita; Raşa, Ioan
2014
Remarks on Voronovskaya’s theorem. Zbl 1199.41028
Gonska, Heiner; Raşa, Ioan
2008
Qualitative properties of a class of Fleming–Viot operators. Zbl 1101.47028
Campiti, M.; Rasa, I.
2004
Approximation properties of Bernstein-Durrmeyer type operators. Zbl 1410.41030
Cárdenas-Morales, D.; Garrancho, P.; Raşa, I.
2014
$$k$$th order Kantorovich type modification of the operators $$U^{\rho}_n$$. Zbl 1358.41017
Heilmann, Margareta; Raşa, Ioan
2014
Differences of positive linear operators and the second order modulus. Zbl 1249.41014
Gonska, Heiner; Raşa, Ioan
2008
Entropies and Heun functions associated with positive linear operators. Zbl 1410.41039
Raşa, Ioan
2015
The eigenstructure of operators linking the Bernstein and the genuine Bernstein-Durrmeyer operators. Zbl 1295.41021
Gonska, Heiner; Raşa, Ioan; Stănilă, Elena-Dorina
2014
Another look at Voronovskaja type formulas. Zbl 1391.41016
2018
Voronovskaya type theorems in weighted spaces. Zbl 1357.41022
Erençin, Ayşegül; Raşa, Ioan
2016
On Markov operators preserving polynomials. Zbl 1320.47035
Altomare, Francesco; Cappelletti Montano, Mirella; Leonessa, Vita; Raşa, Ioan
2014
Asymptotic behaviour of differential Bernstein polynomials revisited. Zbl 1212.41057
Gonska, Heiner; Heilmann, Margareta; Rasa, Ioan
2010
Asymptotic behaviour of iterates of positive linear operators. Zbl 1184.41013
Rasa, Ioan
2009
On differences of linear positive operators. Zbl 1428.41024
Aral, Ali; Inoan, Daniela; Raşa, Ioan
2019
Convexity properties of some entropies. Zbl 1448.94118
Raşa, Ioan
2018
Elliptic differential operators and positive semigroups associated with generalized Kantorovich operators. Zbl 06802308
Altomare, Francesco; Cappelletti Montano, Mirella; Leonessa, Vita; Raşa, Ioan
2018
Further results for $$k$$th order Kantorovich modification of linking Baskakov type operators. Zbl 1339.41030
Baumann, Katharina; Heilmann, Margareta; Raşa, Ioan
2016
On the decomposition of Bernstein operators. Zbl 1315.41010
Heilmann, Margareta; Raşa, Ioan
2015
On some operators linking the Bernstein and the genuine Bernstein-Durrmeyer operators. Zbl 1359.41014
Raşa, Ioan; Stǎnilǎ, Elena
2014
Best constant in Hyers-Ulam stability of some functional equations. Zbl 1349.39055
Popa, Dorian; Raşa, Ioan
2014
Čhebyšhev-Grüss-type inequalities revisited. Zbl 1324.26023
Gonska, Heiner; Raşa, Ioan; Rusu, Maria-Daniela
2013
On infinite products of positive linear operators reproducing linear functions. Zbl 1271.41006
Gonska, Heiner; Raşa, Ioan
2013
Power series of Bernstein operators and approximation of resolvents. Zbl 1259.41033
Raşa, Ioan
2012
The genuine Bernstein-Durrmeyer operators revisited. Zbl 1253.41020
Gonska, Heiner; Kacsó, Daniela; Raşa, Ioan
2012
A Voronovskaya estimate with second order modulus of smoothness. Zbl 1212.41016
Gonska, Heiner; Raşa, Ioan
2008
On a class of exponential-type operators and their limit semigroups. Zbl 1076.41010
Altomare, Francesco; Raşa, Ioan
2005
Feller semigroups, Bernstein type operators and generalized convexity associated with positive projections. Zbl 0938.41013
Altomare, Francesco; Rasa, Ioan
1999
A note on Jessen’s inequality. Zbl 0661.26008
Raşa, I.
1988
The Jensen inequality: Refinements and applications. Zbl 0585.26012
Andrica, D.; Raşa, I.
1985
Convexity properties of some entropies. II. Zbl 1429.26016
Raşa, Ioan
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
2019
A sharpening of a problem on Bernstein polynomials and convex functions. Zbl 1400.26031
Abel, Ulrich; Raşa, Ioan
2018
Eigenstructure and iterates for uniquely ergodic Kantorovich modifications of operators. Zbl 1375.37016
Heilmann, Margareta; Raşa, Ioan
2017
Approximation by $$k$$-th order modifications of Szász-Mirakyan operators. Zbl 1389.41016
Acar, Tuncer; Aral, Ali; Raşa, Ioan
2016
$$k$$th order Kantorovich modification of linking Baskakov-type operators. Zbl 1337.41010
Heilmann, Margareta; Raşa, Ioan
2015
Lagrange-type operators associated with $$U_n^{\varrho}$$. Zbl 1349.41040
Gonska, Heiner; Raşa, Ioan; Stănilă, Elena-Dorina
2014
An algorithm for solving some nonlinear systems with applications to extremum problems. Zbl 1250.65071
Ciurte, Anca; Nedevschi, Sergiu; Rasa, Ioan
2012
Gamma-type operators and the Black-Scholes semigroup. Zbl 1215.41008
Attalienti, Antonio; Mininni, Rosa Maria; Rasa, Ioan
2011
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
2009
Asymptotic behaviour of certain semigroups generated by differential operators. Zbl 1181.47047
Rasa, Ioan
2009
Overiterated linear operators and asymptotic behaviour of semigroups. Zbl 1179.41021
Attalienti, Antonio; Rasa, Ioan
2008
Towards a characterization of a class of differential operators associated with positive projections. Zbl 0917.35042
Altomare, Francesco; Raşa, Ioan
1998
Altomare projections and Lototsky-Schnabl operators. Zbl 0818.41018
Rasa, Ioan
1994
Positive linear operators preserving $$\tau$$ and $$\tau^2$$. Zbl 07259285
Acar, Tuncer; Aral, Ali; Raşa, Ioan
2019
Heun functions related to entropies. Zbl 1416.33031
Bărar, Adina; Mocanu, Gabriela; Raşa, Ioan
2019
Systems of nonlinear algebraic equations with unique solution. Zbl 1312.65081
Ciurte, Anca; Nedevschi, Sergiu; Rasa, Ioan
2015
On the sequence of composite Bernstein operators (Sur la suite des opérateurs Bernstein composés). Zbl 1349.41039
Gonska, Heiner; Raşa, Ioan
2013
Estimates for the semigroup associated with Bernstein-Schnabl operators. Zbl 1265.41056
Raşa, Ioan
2012
Generalized Ostrowski-Grüss-type inequalities. Zbl 1257.26014
Gonska, Heiner; Raşa, Ioan; Rusu, Maria-Daniela
2012
Applications of an Ostrowski type inequality. Zbl 1269.26001
Gonska, Heiner; Raşa, Ioan; Rusu, Maria-Daniela
2012
A majorization inequality for Wright-convex functions revisited. Zbl 1250.26010
Inoan, D.; Raşa, I.
2012
On the composition and decomposition of positive linear operators. II. Zbl 1240.41004
Gonska, Heiner; Raşa, Ioan
2010
Steklov operators and their associated semigroups. Zbl 1174.41020
Campiti, Michele; Rasa, Ioan; Tacelli, Cristian
2008
Steklov operators and semigroups in weighted spaces of continuous real functions. Zbl 1174.41019
Campiti, M.; Rasa, I.; Tacelli, C.
2008
Iterated boolean sums of Bernstein and related operator. Zbl 1150.41017
Raşa, Ioan
2006
Classes of convex functions associated with Bernstein operators of second kind. Zbl 1111.26014
Rasa, Ioan
2006
One-dimensional diffusions and approximation. Zbl 1116.47037
Rasa, Ioan
2005
On some classes of diffusion equations and related approximation problems. Zbl 1077.35026
Altomare, Francesco; Rasa, Ioan
2005
Semigroups associated to Mache operators. Zbl 1042.41019
Rasa, I.
2003
Feller semigroups, elliptic operators and Altomare projections. Zbl 1019.47035
Rasa, Ioan
2002
Lototsky-Schnabl operators on the unit interval. Zbl 0951.41009
Adell, José A.; de la Cal, Jesús; Raşa, Ioan
1999
On some properties of Altomare projections. Zbl 1041.41503
Rasa, I.
1993
On the inequalities of Popoviciu and Rado. Zbl 0509.26006
Rasa, I.
1982
On approximation by some Bernstein-Kantorovich exponential-type polynomials. Zbl 1449.41005
Aral, Ali; Otrocol, Diana; Raşa, Ioan
2019
A survey on estimates for the differences of positive linear operators. Zbl 07251259
Acu, Ana Maria; Hodiş, Sever; Raşa, Ioan
2018
Approximate solutions of the logistic equation and Ulam stability. Zbl 1402.39016
Popa, Dorian; Rasa, Ioan; Viorel, Adrian
2018
$$C_0$$-semigroups associated with uniquely ergodic Kantorovich modifications of operators. Zbl 1395.37003
Heilmann, Margareta; Raşa, Ioan
2018
Smoothness and shape preserving properties of Bernstein semigroup. Zbl 06909935
Hodiş, Sever; Mesaroş, Laura; Raşa, Ioan
2018
Hyers-Ulam stability of the Laplace operator. Zbl 1388.39018
Popa, Dorian; Raşa, Ioan
2018
A nice representation for a link between Bernstein-Durrmeyer and Kantorovich operators. Zbl 07215677
Heilmann, Margareta; Raşa, Ioan
2017
On differences of linear positive operators. Zbl 1428.41024
Aral, Ali; Inoan, Daniela; Raşa, Ioan
2019
Convexity properties of some entropies. II. Zbl 1429.26016
Raşa, Ioan
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
2019
Positive linear operators preserving $$\tau$$ and $$\tau^2$$. Zbl 07259285
Acar, Tuncer; Aral, Ali; Raşa, Ioan
2019
Heun functions related to entropies. Zbl 1416.33031
Bărar, Adina; Mocanu, Gabriela; Raşa, Ioan
2019
On approximation by some Bernstein-Kantorovich exponential-type polynomials. Zbl 1449.41005
Aral, Ali; Otrocol, Diana; Raşa, Ioan
2019
Ulam stability of operators. Zbl 1393.39001
Brzdęk, Janusz; Popa, Dorian; Raşa, Ioan; Xu, Bing
2018
Another look at Voronovskaja type formulas. Zbl 1391.41016
2018
Convexity properties of some entropies. Zbl 1448.94118
Raşa, Ioan
2018
Elliptic differential operators and positive semigroups associated with generalized Kantorovich operators. Zbl 06802308
Altomare, Francesco; Cappelletti Montano, Mirella; Leonessa, Vita; Raşa, Ioan
2018
A sharpening of a problem on Bernstein polynomials and convex functions. Zbl 1400.26031
Abel, Ulrich; Raşa, Ioan
2018
A survey on estimates for the differences of positive linear operators. Zbl 07251259
Acu, Ana Maria; Hodiş, Sever; Raşa, Ioan
2018
Approximate solutions of the logistic equation and Ulam stability. Zbl 1402.39016
Popa, Dorian; Rasa, Ioan; Viorel, Adrian
2018
$$C_0$$-semigroups associated with uniquely ergodic Kantorovich modifications of operators. Zbl 1395.37003
Heilmann, Margareta; Raşa, Ioan
2018
Smoothness and shape preserving properties of Bernstein semigroup. Zbl 06909935
Hodiş, Sever; Mesaroş, Laura; Raşa, Ioan
2018
Hyers-Ulam stability of the Laplace operator. Zbl 1388.39018
Popa, Dorian; Raşa, Ioan
2018
Hyers-Ulam stability with respect to gauges. Zbl 1404.34016
Brzdęk, Janusz; Popa, Dorian; Raşa, Ioan
2017
A generalization of Kantorovich operators for convex compact subsets. Zbl 1383.41003
Altomare, Francesco; Cappelletti Montano, Mirella; Leonessa, Vita; Raşa, Ioan
2017
Eigenstructure and iterates for uniquely ergodic Kantorovich modifications of operators. Zbl 1375.37016
Heilmann, Margareta; Raşa, Ioan
2017
A nice representation for a link between Bernstein-Durrmeyer and Kantorovich operators. Zbl 07215677
Heilmann, Margareta; Raşa, Ioan
2017
Complete monotonicity of some entropies. Zbl 1399.94057
Raşa, Ioan
2017
The new forms of Voronovskaya’s theorem in weighted spaces. Zbl 1334.41015
Acar, Tuncer; Aral, Ali; Rasa, Ioan
2016
New estimates for the differences of positive linear operators. Zbl 1357.41018
Acu, Ana Maria; Raşa, Ioan
2016
Best constant in stability of some positive linear operators. Zbl 1353.39028
Popa, Dorian; Raşa, Ioan
2016
Voronovskaya type theorems in weighted spaces. Zbl 1357.41022
Erençin, Ayşegül; Raşa, Ioan
2016
Further results for $$k$$th order Kantorovich modification of linking Baskakov type operators. Zbl 1339.41030
Baumann, Katharina; Heilmann, Margareta; Raşa, Ioan
2016
Approximation by $$k$$-th order modifications of Szász-Mirakyan operators. Zbl 1389.41016
Acar, Tuncer; Aral, Ali; Raşa, Ioan
2016
Steklov averages as positive linear operators. Zbl 06749781
Popa, Dorian; Raşa, Ioan
2016
$$C_0$$-semigroups associated with Markov operators. Zbl 1337.47060
Mocanu, Gabriela; Raşa, Ioan
2016
Entropies and Heun functions associated with positive linear operators. Zbl 1410.41039
Raşa, Ioan
2015
On the decomposition of Bernstein operators. Zbl 1315.41010
Heilmann, Margareta; Raşa, Ioan
2015
$$k$$th order Kantorovich modification of linking Baskakov-type operators. Zbl 1337.41010
Heilmann, Margareta; Raşa, Ioan
2015
Systems of nonlinear algebraic equations with unique solution. Zbl 1312.65081
Ciurte, Anca; Nedevschi, Sergiu; Rasa, Ioan
2015
Power series of the operators $$U_n^\varrho$$. Zbl 1318.41006
Gonska, Heiner; Raşa, Ioan; Stănilă, Elena Dorina
2015
Markov operators, positive semigroups and approximation processes. Zbl 1352.47001
Altomare, Francesco; Cappelletti Montano, Mirella; Leonessa, Vita; Raşa, Ioan
2014
On the generalized Szász-Mirakyan operators. Zbl 1293.41009
Aral, A.; Inoan, D.; Raşa, I.
2014
Chebyshev-Grüss-type inequalities via discrete oscillations. Zbl 1305.26040
Gonska, Heiner; Raşa, Ioan; Rusu, Maria-Daniela
2014
On the best constant in Hyers-Ulam stability of some positive linear operators. Zbl 1308.41026
Popa, Dorian; Raşa, Ioan
2014
On differential operators associated with Markov operators. Zbl 1285.47048
Altomare, Francesco; Cappelletti Montano, Mirella; Leonessa, Vita; Raşa, Ioan
2014
Approximation properties of Bernstein-Durrmeyer type operators. Zbl 1410.41030
Cárdenas-Morales, D.; Garrancho, P.; Raşa, I.
2014
$$k$$th order Kantorovich type modification of the operators $$U^{\rho}_n$$. Zbl 1358.41017
Heilmann, Margareta; Raşa, Ioan
2014
The eigenstructure of operators linking the Bernstein and the genuine Bernstein-Durrmeyer operators. Zbl 1295.41021
Gonska, Heiner; Raşa, Ioan; Stănilă, Elena-Dorina
2014
On Markov operators preserving polynomials. Zbl 1320.47035
Altomare, Francesco; Cappelletti Montano, Mirella; Leonessa, Vita; Raşa, Ioan
2014
On some operators linking the Bernstein and the genuine Bernstein-Durrmeyer operators. Zbl 1359.41014
Raşa, Ioan; Stǎnilǎ, Elena
2014
Best constant in Hyers-Ulam stability of some functional equations. Zbl 1349.39055
Popa, Dorian; Raşa, Ioan
2014
Lagrange-type operators associated with $$U_n^{\varrho}$$. Zbl 1349.41040
Gonska, Heiner; Raşa, Ioan; Stănilă, Elena-Dorina
2014
Beta operators with Jacobi weights. Zbl 1416.41025
Gonska, Heiner; Raşa, Ioan; Stănilă, Elena-Dorina
2014
Power series of Beta operators. Zbl 1338.41010
Acar, Tuncer; Aral, Ali; Rasa, Ioan
2014
The eigenstructure of some positive linear operators. Zbl 1389.41027
Attalienti, Antonio; Raşa, Ioan
2014
Hyers-Ulam stability of some differential equations and differential operators. Zbl 1320.34083
Popa, Dorian; Raşa, Ioan
2014
Complete monotonicity and limit of a generalized Euler sequence. Zbl 1308.40002
Popa, Dorian; Raşa, Ioan
2014
On the stability of some classical operators from approximation theory. Zbl 1284.39032
Popa, Dorian; Raşa, Ioan
2013
Čhebyšhev-Grüss-type inequalities revisited. Zbl 1324.26023
Gonska, Heiner; Raşa, Ioan; Rusu, Maria-Daniela
2013
On infinite products of positive linear operators reproducing linear functions. Zbl 1271.41006
Gonska, Heiner; Raşa, Ioan
2013
On the sequence of composite Bernstein operators (Sur la suite des opérateurs Bernstein composés). Zbl 1349.41039
Gonska, Heiner; Raşa, Ioan
2013
Optimality of piecewise image-linear interpolating operators. Zbl 1295.41019
Cárdenas-Morales, D.; Garrancho, P.; Raşa, I.
2013
Hyers-Ulam stability of the linear differential operator with nonconstant coefficients. Zbl 1368.34075
Popa, Dorian; Raşa, Ioan
2012
The Fréchet functional equation with application to the stability of certain operators. Zbl 1238.39008
Popa, Dorian; Raşa, Ioan
2012
Asymptotic formulae via a Korovkin-type result. Zbl 1241.41012
Cárdenas-Morales, Daniel; Garrancho, Pedro; Raşa, Ioan
2012
Lipschitz contractions, unique ergodicity and asymptotics of Markov semigroups. Zbl 1268.47013
Altomare, Francesco; Raşa, Ioan
2012
Power series of Bernstein operators and approximation of resolvents. Zbl 1259.41033
Raşa, Ioan
2012
The genuine Bernstein-Durrmeyer operators revisited. Zbl 1253.41020
Gonska, Heiner; Kacsó, Daniela; Raşa, Ioan
2012
An algorithm for solving some nonlinear systems with applications to extremum problems. Zbl 1250.65071
Ciurte, Anca; Nedevschi, Sergiu; Rasa, Ioan
2012
Estimates for the semigroup associated with Bernstein-Schnabl operators. Zbl 1265.41056
Raşa, Ioan
2012
Generalized Ostrowski-Grüss-type inequalities. Zbl 1257.26014
Gonska, Heiner; Raşa, Ioan; Rusu, Maria-Daniela
2012
Applications of an Ostrowski type inequality. Zbl 1269.26001
Gonska, Heiner; Raşa, Ioan; Rusu, Maria-Daniela
2012
A majorization inequality for Wright-convex functions revisited. Zbl 1250.26010
Inoan, D.; Raşa, I.
2012
On the Hyers-Ulam stability of the linear differential equation. Zbl 1222.34069
Popa, Dorian; Raşa, Ioan
2011
Bernstein-type operators which preserve polynomials. Zbl 1228.41019
Cárdenas-Morales, D.; Garrancho, P.; Raşa, I.
2011
Grüss-type and Ostrowski-type inequalities in approximation theory. Zbl 1254.41011
Acu, A. M.; Gonska, H.; Raşa, I.
2011
Kantorovich operators of order $$k$$. Zbl 1236.41023
Gonska, Heiner; Heilmann, Margareta; Raşa, Ioan
2011
Gamma-type operators and the Black-Scholes semigroup. Zbl 1215.41008
Attalienti, Antonio; Mininni, Rosa Maria; Rasa, Ioan
2011
Asymptotic behaviour of differential Bernstein polynomials revisited. Zbl 1212.41057
Gonska, Heiner; Heilmann, Margareta; Rasa, Ioan
2010
On the composition and decomposition of positive linear operators. II. Zbl 1240.41004
Gonska, Heiner; Raşa, Ioan
2010
General King-type operators. Zbl 1181.41041
Gonska, Heiner; Piţul, Paula; Raşa, Ioan
2009
Asymptotic behaviour of differentiated Bernstein polynomials. Zbl 1274.41036
Gonska, Heiner; Raşa, Ioan
2009
Asymptotic behaviour of iterates of positive linear operators. Zbl 1184.41013
Rasa, Ioan
2009
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
2009
Asymptotic behaviour of certain semigroups generated by differential operators. Zbl 1181.47047
Rasa, Ioan
2009
On Bernstein-Schnabl operators on the unit interval. Zbl 1140.41304
Altomare, Francesco; Leonessa, Vita; Raşa, Ioan
2008
Remarks on Voronovskaya’s theorem. Zbl 1199.41028
Gonska, Heiner; Raşa, Ioan
2008
Differences of positive linear operators and the second order modulus. Zbl 1249.41014
Gonska, Heiner; Raşa, Ioan
2008
A Voronovskaya estimate with second order modulus of smoothness. Zbl 1212.41016
Gonska, Heiner; Raşa, Ioan
2008
Overiterated linear operators and asymptotic behaviour of semigroups. Zbl 1179.41021
Attalienti, Antonio; Rasa, Ioan
2008
Steklov operators and their associated semigroups. Zbl 1174.41020
Campiti, Michele; Rasa, Ioan; Tacelli, Cristian
2008
Steklov operators and semigroups in weighted spaces of continuous real functions. Zbl 1174.41019
Campiti, M.; Rasa, I.; Tacelli, C.
2008
Shape-preserving properties and asymptotic behaviour of the semigroup generated by the Black–Scholes operator. Zbl 1174.47037
Attalienti, Antonio; Rasa, Ioan
2008
Over-iterates of Bernstein-Stancu operators. Zbl 1150.41013
Gonska, Heiner; Piţul, Paula; Raşa, Ioan
2007
A quantitative version of Trotter’s approximation theorem. Zbl 1118.41007
Mangino, Elisabetta M.; Raşa, Ioan
2007
Total positivity: an application to positive linear operators and to their limiting semigroups. Zbl 1174.41018
Attalienti, Antonio; Raşa, Ioan
2007
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
2006
The limiting semigroup of the Bernstein iterates: degree of convergence. Zbl 1121.41004
Gonska, H.; Raşa, I.
2006
On genuine Bernstein-Durrmeyer operators. Zbl 1145.41004
Gonska, Heiner; Kacsó, Daniela; Raşa, Ioan
2006
On differences of positive linear operators. Zbl 1150.41012
Gonska, Heiner; Piţul, Paula; Raşa, Ioan
2006
Iterated boolean sums of Bernstein and related operator. Zbl 1150.41017
Raşa, Ioan
2006
Classes of convex functions associated with Bernstein operators of second kind. Zbl 1111.26014
Rasa, Ioan
2006
On a class of exponential-type operators and their limit semigroups. Zbl 1076.41010
Altomare, Francesco; Raşa, Ioan
2005
One-dimensional diffusions and approximation. Zbl 1116.47037
Rasa, Ioan
2005
On some classes of diffusion equations and related approximation problems. Zbl 1077.35026
Altomare, Francesco; Rasa, Ioan
2005
Some $$C_0$$-semigroups related to polynomial operators. Zbl 1146.47031
Mache, Detlef; Rasa, Ioan
2005
...and 28 more Documents
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#### Cited by 372 Authors

 63 Rasa, Ioan 23 Acu, Ana Maria 20 Gupta, Vijay 18 Acar, Tuncer 17 Aral, Ali 14 Jung, Soon-Mo 14 Popa, Dorian 12 Agrawal, Purshottam Narain 11 Gonska, Heinz Herbert 11 Heilmann, Margareta 10 Altomare, Francesco 10 Bardaro, Carlo 10 Mantellini, Ilaria 10 Tachev, Gancho T. 9 Ivan, Mircea Dumitru 9 Leonessa, Vita 9 Onitsuka, Masakazu 8 Abel, Ulrich 8 Brzdęk, Janusz 8 Cappelletti Montano, Mirella 8 Cárdenas-Morales, Daniel 8 Gavrea, Ioan 8 Kajla, Arun 8 Mishra, Vishnu Narayan 7 Campiti, Michele 7 Garrancho, Pedro 7 Păltănea, Radu 7 Wang, Jinrong 6 Birou, Marius Mihai 6 Chu, Yuming 6 El-hady, El-sayed 5 Ansari, Khursheed Jamal 5 Baias, Alina-Ramona 5 Dragomir, Sever Silvestru 5 Gal, Sorin Gheorghe 5 Mahmudov, Nazim Idrisoglu 5 Mursaleen, Mohammad 5 Shen, Yonghong 5 Tacelli, Cristian 4 Anderson, Douglas Robert 4 Draganov, Borislav R. 4 Inoan, Daniela Ioana 4 Mangino, Elisabetta M. 4 Ozarslan, Mehmet Ali 4 Popa, Dumitru 4 Roh, Jaiok 4 Sucu, Sezgin 4 Xu, Tianzhou 4 Xu, Xiaowei 4 Zada, Akbar 3 Abdollahpour, Mohammad Reza 3 Agratini, Octavian 3 Albanese, Angela Anna 3 Ciepliński, Krzysztof 3 Dăianu, Dan M. 3 Deepmala, Vandana 3 Deo, Naokant 3 Erençin, Ayşegül 3 Fukutaka, Ryuma 3 Gandhi, Rajiv B. 3 Goldman, Ron N. 3 Holhoş, Adrian 3 Ịçöz, Gürhan 3 Komisarski, Andrzej 3 Li, Yongjin 3 Miclăuş, Dan 3 Mocanu, Gabriela Raluca 3 Neer, Trapti 3 Pavić, Zlatko 3 Radu, Voichiţa Adriana 3 Rassias, Michael Th. 3 Rassias, Themistocles Michael 3 Ulusoy, Gulsum 3 Varma, Serhan 3 Wang, Chun 3 Zeng, Xiaoming 3 Zhao, Xiangkui 2 Adell, José Antonio 2 Agrawal, Deepika 2 Agrawal, Gunjan 2 Ait-Haddou, Rachid 2 Aktuglu, Huseyin 2 Alzer, Horst 2 Attalienti, Antonio 2 Bahyrycz, Anna 2 Bascanbaz-Tunca, Gulen 2 Baxhaku, Behar 2 Bodur, Murat 2 Bustamante González, Jorge 2 Cannarsa, Piermarco 2 Cătinaş, Teodora 2 Choi, Ginkyu 2 Ciurte, Anca 2 Costarelli, Danilo 2 Deshwal, Sheetal 2 Dhamija, Minakshi 2 El-Fassi, Iz-Iddine 2 Erbay, Hasan 2 Finta, Zoltán 2 Gao, Zhuoyan ...and 272 more Authors
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#### Cited in 99 Serials

 44 Results in Mathematics 31 Applied Mathematics and Computation 29 Journal of Mathematical Analysis and Applications 18 Mediterranean Journal of Mathematics 16 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM 15 Journal of Approximation Theory 13 Applied Mathematics Letters 13 Journal of Function Spaces 12 Positivity 12 Constructive Mathematical Analysis 11 Abstract and Applied Analysis 10 Computers & Mathematics with Applications 10 Numerical Functional Analysis and Optimization 10 Journal of Inequalities and Applications 10 Advances in Difference Equations 9 Aequationes Mathematicae 8 Numerical Algorithms 5 Rendiconti del Circolo Matemàtico di Palermo. Serie II 5 Georgian Mathematical Journal 5 Analysis and Mathematical Physics 4 Periodica Mathematica Hungarica 4 Bulletin of the Malaysian Mathematical Sciences Society. Second Series 4 Complex Analysis and Operator Theory 4 Afrika Matematika 3 Mathematical Methods in the Applied Sciences 3 Ukrainian Mathematical Journal 3 The Journal of Analysis 3 Journal of Fixed Point Theory and Applications 2 Bulletin of the Australian Mathematical Society 2 Calcolo 2 Czechoslovak Mathematical Journal 2 Mathematische Nachrichten 2 Semigroup Forum 2 Bulletin of the Iranian Mathematical Society 2 Mathematical and Computer Modelling 2 Turkish Journal of Mathematics 2 Bulletin des Sciences Mathématiques 2 Journal of Applied Mathematics 2 Communications on Pure and Applied Analysis 2 Journal of Mathematical Inequalities 2 Journal of Nonlinear Science and Applications 2 Annals of Functional Analysis 2 Mathematics 1 Rocky Mountain Journal of Mathematics 1 Acta Mathematica Vietnamica 1 Archiv der Mathematik 1 BIT 1 Demonstratio Mathematica 1 Fuzzy Sets and Systems 1 International Journal of Mathematics and Mathematical Sciences 1 Journal of Functional Analysis 1 Journal of the London Mathematical Society. Second Series 1 Kyungpook Mathematical Journal 1 Mathematica Slovaca 1 Memoirs of the American Mathematical Society 1 Monatshefte für Mathematik 1 Quaestiones Mathematicae 1 Rendiconti del Seminario Matemàtico e Fisico di Milano 1 Siberian Mathematical Journal 1 Zeitschrift für Analysis und ihre Anwendungen 1 Bulletin of the Korean Mathematical Society 1 Computer Aided Geometric Design 1 Constructive Approximation 1 Applications of Mathematics 1 Journal de Mathématiques Pures et Appliquées. Neuvième Série 1 Linear Algebra and its Applications 1 Proceedings of the Royal Society of Edinburgh. Section A. Mathematics 1 Expositiones Mathematicae 1 Applied Mathematics. Series B (English Edition) 1 Journal of the Egyptian Mathematical Society 1 Advances in Applied Clifford Algebras 1 Complexity 1 Journal of Difference Equations and Applications 1 Discrete and Continuous Dynamical Systems 1 Mathematical Inequalities & Applications 1 Discrete Dynamics in Nature and Society 1 Analysis (München) 1 Acta Mathematica Sinica. English Series 1 International Journal of Nonlinear Sciences and Numerical Simulation 1 Journal of Evolution Equations 1 Iranian Journal of Science and Technology. Transaction A: Science 1 Entropy 1 Analysis in Theory and Applications 1 Analysis and Applications (Singapore) 1 Journal of Function Spaces and Applications 1 Fixed Point Theory 1 The Australian Journal of Mathematical Analysis and Applications 1 Banach Journal of Mathematical Analysis 1 Advances in Mathematical Physics 1 Symmetry 1 Bulletin of Mathematical Sciences 1 Journal of Classical Analysis 1 Concrete Operators 1 Chinese Journal of Mathematics 1 Journal of Calculus of Variations 1 International Journal of Applied and Computational Mathematics 1 Advances in Operator Theory 1 Korean Journal of Mathematics 1 Bollettino dell’Unione Matematica Italiana
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#### Cited in 36 Fields

 248 Approximations and expansions (41-XX) 66 Difference and functional equations (39-XX) 65 Operator theory (47-XX) 55 Real functions (26-XX) 52 Ordinary differential equations (34-XX) 21 Partial differential equations (35-XX) 16 Numerical analysis (65-XX) 14 Information and communication theory, circuits (94-XX) 12 Functional analysis (46-XX) 12 Probability theory and stochastic processes (60-XX) 11 Functions of a complex variable (30-XX) 11 Special functions (33-XX) 10 Dynamical systems and ergodic theory (37-XX) 5 Biology and other natural sciences (92-XX) 4 Combinatorics (05-XX) 4 Sequences, series, summability (40-XX) 4 Harmonic analysis on Euclidean spaces (42-XX) 4 Integral equations (45-XX) 3 Linear and multilinear algebra; matrix theory (15-XX) 3 Integral transforms, operational calculus (44-XX) 2 Order, lattices, ordered algebraic structures (06-XX) 2 Convex and discrete geometry (52-XX) 2 General topology (54-XX) 2 Statistics (62-XX) 1 Number theory (11-XX) 1 Field theory and polynomials (12-XX) 1 Associative rings and algebras (16-XX) 1 Category theory; homological algebra (18-XX) 1 $$K$$-theory (19-XX) 1 Group theory and generalizations (20-XX) 1 Potential theory (31-XX) 1 Mechanics of particles and systems (70-XX) 1 Quantum theory (81-XX) 1 Operations research, mathematical programming (90-XX) 1 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 1 Systems theory; control (93-XX)