Rus, Ioan A.

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 Author ID: rus.ioan-a Published as: Rus, Ioan A.; Rus, I. A.; Rus, Ion A. Homepage: http://math.ubbcluj.ro/~iarus/ External Links: MGP
 Documents Indexed: 216 Publications since 1963, including 6 Books 5 Contributions as Editor Reviewing Activity: 449 Reviews Biographic References: 4 Publications Co-Authors: 31 Co-Authors with 81 Joint Publications 576 Co-Co-Authors
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Co-Authors

 140 single-authored 35 Petruşel, Adrian 23 Şerban, Marcel Adrian 6 Berinde, Vasile 4 Lungu, Nicolaie 4 Măruşter, Ştefan 4 Otrocol, Diana 3 Egri, Edith 3 Păcurar, Mădălina 3 Petruşel, Gabriela 3 Rus, Bogdan 2 Agratini, Octavian 2 Mureşan, Anton S. 2 Mureşan, Sorin 2 Precup, Radu 2 Sîntămărian, Alina 2 Trif, Damian 1 Aldea, Florica 1 András, Szilárd 1 Angelov, Vasil Georgiev 1 Buică, Adriana 1 Cătinaş, Teodora 1 Chis-Novac, Adela 1 Cont, Ioan 1 Dârzu Ilea, Veronica Ana 1 Dobritoiu, Maria A. 1 Iancu, Crăciun 1 Ilea, Veronica Ana 1 Miklos, Edith 1 Mureşan, Viorica 1 Peetre, Jaak 1 Yao, Jen-Chih
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Serials

 42 Studia Universitatis Babeș-Bolyai. Mathematica 20 Fixed Point Theory 11 Carpathian Journal of Mathematics 9 Preprint. “Babeș-Bolyai” University. Faculty of Mathematics and Physics. Research Seminars 7 Mathématica – Revue d’Analyse Numérique et de Théorie de l’Approximation. Mathématica 7 Preprint. “Babeș-Bolyai” University. Faculty of Mathematics. Research Seminars 5 Studii și Cercetări Matematice 5 Creative Mathematics and Informatics 5 Studia Universitatis Babeș-Bolyai. Series Mathematica, Physica 4 Mathematica 4 Scientiae Mathematicae Japonicae 4 Seminar on Fixed Point Theory Cluj-Napoca 4 Studia Universitatis Babeș-Bolyai. Series Mathematica, Mechanica 3 Mathématica – Revue d’Analyse Numérique et de Théorie de l’Approximation. L’Analyse Numérique et la Théorie de l’Approximation 3 Bulletin Mathématique de la Société des Sciences Mathématiques de Roumanie. Nouvelle Série 3 Journal of Nonlinear and Convex Analysis 2 Revue Roumaine de Mathématiques Pures et Appliquées 2 Analele Științifice ale Universității Al. I. Cuza din Iași. (Serie Nouă.) Secțiunea Ia. Matematică-Informatică 2 Commentationes Mathematicae Universitatis Carolinae 2 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 2 Libertas Mathematica 2 Glasnik Matematički. Serija III 2 “Babeș-Bolyai” University. Faculty of Mathematics and Computer Science. Research Seminars. Preprint 2 Analele Universității de Vest din Timișoara. Seria Matematică-Informatică 2 Annals of the Academy of Romanian Scientists. Mathematics and its Applications 1 Journal of Mathematical Analysis and Applications 1 Mathematica Japonica 1 Mathematica Scandinavica 1 Mathematics Seminar Notes 1 Proceedings of the American Mathematical Society 1 Rendiconti dell’Istituto di Matematica dell’Università di Trieste 1 Zeitschrift für Analysis und ihre Anwendungen 1 Pure Mathematics Manuscript 1 Analele Științifice ale Universității Al. I. Cuza din Iași. Serie Nouă. Matematică 1 Revue d’Analyse Numérique et de Théorie de l’Approximation 1 Topological Methods in Nonlinear Analysis 1 Buletinul Științific al Universității Baia Mare. Seria B 1 Filomat 1 Analele Universității din Craiova. Seria Matematică Informatică 1 Taiwanese Journal of Mathematics 1 Mathematical Inequalities & Applications 1 Scripta Scientiarum Mathematicarum 1 Mathematica Moravica 1 Nonlinear Analysis Forum 1 Miskolc Mathematical Notes 1 Fixed Point Theory and Applications 1 Cubo 1 Bollettino della Unione Matematica Italiana. Series III 1 Bollettino della Unione Matematica Italiana. Series IV 1 Journal of Mathematical Inequalities 1 Journal of Nonlinear Science and Applications 1 Annals of the Tiberiu Popoviciu Seminar of Functional Equations, Approximation and Convexity 1 Set-Valued and Variational Analysis 1 Bulletin of the Transilvania University of Brașov. Series III. Mathematics, Informatics, Physics 1 Academia Republicii Populare Romîne, Filiala Cluj, Studii și Cercetări Matematica 1 Nonlinear Analysis. Theory, Methods & Applications 1 Advances in the Theory of Nonlinear Analysis and its Applications
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Fields

 134 Operator theory (47-XX) 112 General topology (54-XX) 33 Integral equations (45-XX) 30 Ordinary differential equations (34-XX) 17 Partial differential equations (35-XX) 10 Numerical analysis (65-XX) 9 Difference and functional equations (39-XX) 9 Approximations and expansions (41-XX) 7 Real functions (26-XX) 6 General and overarching topics; collections (00-XX) 4 Dynamical systems and ergodic theory (37-XX) 3 Order, lattices, ordered algebraic structures (06-XX) 3 Sequences, series, summability (40-XX) 3 Functional analysis (46-XX) 3 Biology and other natural sciences (92-XX) 2 Linear and multilinear algebra; matrix theory (15-XX) 2 Category theory; homological algebra (18-XX) 2 Measure and integration (28-XX) 2 Calculus of variations and optimal control; optimization (49-XX) 2 Global analysis, analysis on manifolds (58-XX) 1 History and biography (01-XX) 1 Mathematical logic and foundations (03-XX) 1 General algebraic systems (08-XX) 1 Field theory and polynomials (12-XX) 1 Functions of a complex variable (30-XX) 1 Several complex variables and analytic spaces (32-XX) 1 Algebraic topology (55-XX) 1 Mechanics of particles and systems (70-XX) 1 Game theory, economics, finance, and other social and behavioral sciences (91-XX)

Citations contained in zbMATH Open

118 Publications have been cited 1,366 times in 825 Documents Cited by Year
Generalized contractions and applications. Zbl 0968.54029
Rus, Ioan A.
2001
Ulam stabilities of ordinary differential equations in a Banach space. Zbl 1224.34164
Rus, Ioan A.
2010
Fixed point theorems in ordered $$L$$-spaces. Zbl 1086.47026
2006
Fixed point theory for cyclic $$\varphi$$-contractions. Zbl 1191.54042
Păcurar, Mădălina; Rus, Ioan A.
2010
Ulam stability of ordinary differential equations. Zbl 1224.34165
Rus, Ioan A.
2009
Remarks on Ulam stability of the operatorial equations. Zbl 1204.47071
Rus, Ioan A.
2009
Fixed point theory. Zbl 1171.54034
Rus, Ioan A.; Petruşel, Adrian; Petruşel, Gabriela
2008
Picard operators and applications. Zbl 1031.47035
Rus, Ioan A.
2003
Data dependence of the fixed point set of some multivalued weakly Picard operators. Zbl 1055.47047
Rus, Ioan A.; Petruşel, Adrian; Sîntămărian, Alina
2003
The theory of a metrical fixed point theorem: theoretical and applicative relevances. Zbl 1172.54030
Rus, Ioan A.
2008
Well-posedness in the generalized sense of the fixed point problems for multivalued operators. Zbl 1149.54022
Petruşel, Adrian; Rus, Ioan A.; Yao, Jen-Chih
2007
Fixed point theory in partial metric spaces. Zbl 1199.54244
Rus, Ion A.
2008
Iterates of Bernstein operators, via contraction principle. Zbl 1056.41004
Rus, Ioan A.
2004
Cyclic representations and fixed points. Zbl 1463.54126
Rus, Ioan A.
2005
Weakly Picard mappings. Zbl 0787.54045
Rus, Ioan A.
1993
Fixed point theory 1950–2000. Romanian contributions. Zbl 1005.54037
Rus, Ioan A.; Petruşel, Adrian; Petruşel, Gabriela
2002
Weakly Picard operators: equivalent definitions, applications and open problems. Zbl 1111.47048
2006
Well-posedness of the fixed point problem for multivalued operators. Zbl 1169.47037
2007
Basic problems of the metric fixed point theory revisited. II. Zbl 0878.47044
Rus, Ioan A.
1991
Iterates of a class of discrete linear operators via contraction principle. Zbl 1096.41015
Agratini, Octavian; Rus, Ioan A.
2003
Gronwall lemmas: ten open problems. Zbl 1223.47064
Rus, Ioan A.
2009
Weakly Picard operators and applications. Zbl 1035.47044
Rus, Ioan A.
2001
Basic problems of the metric fixed point theory and the relevance of a metric fixed point theorem. Zbl 1313.54108
2013
Fixed points, fixed sets and iterated multifunction systems for nonself multivalued operators. Zbl 1328.54047
2015
An abstract point of view on iterative approximation of fixed points: impact on the theory of fixed point equations. Zbl 1327.47066
Rus, Ioan A.
2012
An abstract point of view on iterative approximation of fixed points of nonself operators. Zbl 1310.47089
Berinde, V.; Măruşter, Şt.; Rus, I. A.
2014
Gronwall Lemma approach to the hyers-Ulam-Rassias stability of an integral equation. Zbl 1185.45015
Rus, Ioan A.
2010
Some fixed point theorems in metric spaces. Zbl 0243.54041
Rus, Ioan A.
1972
Picard operators and well-posedness of fixed point problems. Zbl 1164.47060
Rus, Ioan A.
2007
An iterative method for the solution of the equation x=f(x,…,x). Zbl 0486.54038
Rus, Ioan A.
1981
Some variants of contraction principle, generalizations and applications. Zbl 1389.54112
Rus, Ioan A.
2016
The role of equivalent metrics in fixed point theory. Zbl 1278.54044
2013
Kannan contractions and strongly demicontractive mappings. Zbl 1389.47133
Măruşter, Ştefan; Rus, Ioan A.
2015
Ulam stability of a nonlinear hyperbolic partial differential equation. Zbl 1249.35219
Lungu, Nicolaie; Rus, Ioan A.
2008
Ulam stability of the operatorial equations. Zbl 1248.39043
Rus, Ioan A.
2011
Strict fixed point theory. Zbl 1070.47519
Rus, Ioan A.
2003
On a fixed point theorem of Maia. Zbl 0374.54039
Rus, Ioan A.
1977
The theory of a metric fixed point theorem for multivalued operators. Zbl 1225.54026
2010
Data dependence of fixed points for non-self generalized contractions. Zbl 1226.47056
2009
Some generalizations of a Cauchy lemma and applications. Zbl 1224.54104
2008
Metrical fixed point theorems. Zbl 0506.54037
Rus, Ioan A.
1979
Generalized phi-contractions. Zbl 0525.54029
Rus, Ioan A.
1982
Fixed point theory for multivalued operators on a set with two metrics. Zbl 1133.47036
2007
The retraction-displacement condition in the theory of fixed point equation with a convergent iterative algorithm. Zbl 1458.54030
Berinde, V.; Petruşel, A.; Rus, I. A.; Şerban, M. A.
2016
Properties of the solutions of those equations for which the Krasnoselskii iteration converges. Zbl 1275.47126
Rus, Ioan A.
2012
Data dependence of the fixed point set of weakly Picard operators. Zbl 1005.54036
Rus, Ioan A.; Mureşan, Sorin
1998
Data dependence of the fixed points set of multivalued weakly Picard operators. Zbl 1027.47053
Rus, Ioan A.; Petruşel, Adrian; Sîntămărian, Alina
2001
Fixed points, upper and lower fixed points: abstract Gronwall lemmas. Zbl 1113.54304
Rus, Ioan A.
2004
Results and problems in Ulam stability of operatorial equations and inclusions. Zbl 1311.39052
Rus, Ioan A.
2014
A class of abstract Volterra equations, via weakly Picard operators technique. Zbl 1197.47080
Şerban, M. A.; Rus, I. A.; Petruşel, A.
2010
Dynamics on $$(P_{cp}(X), H_d)$$ generated by a finite family of multi-valued operators on $$(X,d)$$. Zbl 1011.47043
2001
Multivalued Picard and weakly Picard operators. Zbl 1091.47047
2004
Results and problems in the metrical common fixed point theory. Zbl 0427.54024
Rus, Ioan A.
1979
An abstract point of view in the nonlinear diference equations. Zbl 1084.47525
Rus, Ioan A.
1999
Sur la positivite de la fonction de Green. Zbl 0164.13003
Peetre, J.; Rus, I. A.
1967
On common fixed points. Zbl 0266.54016
Rus, Ioan A.
1973
Functional-differential equations with “maxima” via weakly Picard operators theory. Zbl 1194.34121
Otrocol, Diana; Rus, Ioan A.
2008
Fixed points for operators on generalized metric spaces. Zbl 1160.54030
2008
Functional-differential equations with maxima of mixed type. Zbl 1162.34052
Otrocol, Diana; Rus, Ioan A.
2008
Data dependence of the fixed points in a set with two metrics. Zbl 1136.54028
Rus, Ioan A.
2007
Some fixed point theorems for nonself generalized contraction. Zbl 1389.54113
2016
Graphic contraction principle and applications. Zbl 07216131
Petruşel, A.; Rus, I. A.
2019
Fixed point theory in terms of a metric and of an order relation. Zbl 07262291
2019
A fiber generalized contraction theorem and applications. Zbl 1027.47514
Rus, Ioan A.
1999
Fiber Picard operators theorem and applications. Zbl 1027.47515
Rus, Ioan A.
1999
First order functional-differential equations with both advanced and retarded arguments. Zbl 1062.34067
Rus, Ioan A.; Darzu-Ilea, Veronica
2004
First order iterative functional-differential equation with parameter. Zbl 1212.47039
Egri, Edith; Rus, Ioan A.
2007
Abstract models of step method which imply the convergence of successive approximations. Zbl 1159.47046
Rus, Ioan A.
2008
An abstract point of view on iterative approximation schemes of fixed points for multivalued operators. Zbl 1432.54075
2013
The generalized retraction methods in fixed point theory for nonself operators. Zbl 1326.47067
Rus, Ioan A.
2014
Some nonlinear functional differential and integral equations, via weakly Picard operator theory: a survey. Zbl 1217.47145
Rus, Ioan A.
2010
Iterates of Stancu operators, via contraction principle. Zbl 1249.41020
Rus, Ioan A.
2002
Fixed point theorems for multivalued mappings in complete metric spaces. Zbl 0336.54047
Rus, Ioan A.
1975
Fixed point structure theory. Zbl 1110.47047
Rus, Ioan A.
2006
Weakly Picard operators on a set with two metrics. Zbl 1112.47306
Rus, Ioan A.; Mureşan, Anton S.; Mureşan, Viorica
2005
Step method for some integral equations from biomathematics. Zbl 1249.65288
Rus, Ioan A.; Serban, Marcel-Adrian; Trif, Damian
2011
An integral equation arising from infectious diseases, via Picard operator. Zbl 1164.45303
Dobriţoiu, M.; Rus, I. A.; Şerban, M. A.
2007
Fibre Picard operators on gauge spaces and applications. Zbl 1176.47042
Rus, I. A.; Petruşel, A.; Şerban, M. A.
2008
Basic problems of the metric fixed point theory and the relevance of a metric fixed point theorem for a multivalued operator. Zbl 1293.47053
Petruşel, A.; Rus, I. A.; Şerban, M. A.
2014
On a functional Volterra-Fredholm integral equation, via Picard operators. Zbl 1195.45035
Lungu, Nicolaie; Rus, Ioan A.
2009
Nonexpansive operators as graphic contractions. Zbl 1362.47036
2016
A Müller’s example to Cauchy problem: an operatorial point of view. Zbl 1278.47053
Rus, Ioan A.
2012
Hyperbolic differential inequalities. Zbl 1020.47052
Lungu, N.; Rus, I. A.
2001
Iterates of some bivariate approximation process via weakly Picard operators. Zbl 1206.41021
Agratini, Octavian; Rus, Ioan A.
2003
Functional-differential equations of mixed type, via weakly Picard operators. Zbl 1035.34073
Rus, Ioan A.
2002
Operators on infinite dimensional Cartesian product. Zbl 1223.47065
2010
Über eine Methode der sukzessiven Approximationen. Zbl 0249.47054
Rus, Ioan A.
1972
From a Dieudonné theorem concerning the Cauchy problem to an open problem in the theory of weakly Picard operators. Zbl 1349.54086
Berinde, Vasile; Păcurar, Mădălina; Rus, Ioan A.
2014
Heuristic introduction to weakly Picard operator theory. Zbl 1349.47090
Rus, Ioan A.
2014
Caristi-Browder operator theory in distance spaces. Zbl 1356.54001
Berinde, Vasile; Rus, Ioan A.
2016
Remarks on a LaSalle conjecture on global asymptotic stability. Zbl 1372.47068
Rus, Ioan A.
2016
Some fixed point theorems on Cartesian product in terms of vectorial measures of noncompactness. Zbl 1349.47089
2014
Data dependence of the fixed points set of multivalued weakly Picard operators in uniform spaces. Zbl 1027.47049
Angelov, Vasil G.; Rus, I. A.
2000
Fixed points, zeros and surjectivity. Zbl 1027.47513
Rus, I. A.; Aldea, F.
2000
Sequences of operators and fixed points. Zbl 1090.47046
Rus, Ioan A.
2004
A functional-differential model for price fluctuations in a single commodity market. Zbl 0830.90010
Rus, Ioan A.; Iancu, Crăciun
1993
Differential equations, integral equations and dynamical systems. (Ecuaţii diferenţiale, ecuaţii integrale şi sisteme dinamice.) Zbl 0922.34001
Rus, Ioan A.
1996
On the fixed points of the mappings defined on a Cartesian product. III. Zbl 0423.54034
Rus, Ioan A.
1979
Approximation of common fixed point in a generalized metric space. Zbl 0423.54035
Rus, Ioan A.
1979
Set-theoretic aspects of fixed point theory of multivalued operators: open problems. Zbl 1082.54527
Rus, Ioan A.
2005
Graphic contraction principle and applications. Zbl 07216131
Petruşel, A.; Rus, I. A.
2019
Fixed point theory in terms of a metric and of an order relation. Zbl 07262291
2019
Some variants of contraction principle, generalizations and applications. Zbl 1389.54112
Rus, Ioan A.
2016
The retraction-displacement condition in the theory of fixed point equation with a convergent iterative algorithm. Zbl 1458.54030
Berinde, V.; Petruşel, A.; Rus, I. A.; Şerban, M. A.
2016
Some fixed point theorems for nonself generalized contraction. Zbl 1389.54113
2016
Nonexpansive operators as graphic contractions. Zbl 1362.47036
2016
Caristi-Browder operator theory in distance spaces. Zbl 1356.54001
Berinde, Vasile; Rus, Ioan A.
2016
Remarks on a LaSalle conjecture on global asymptotic stability. Zbl 1372.47068
Rus, Ioan A.
2016
Contributions to the fixed point theory of diagonal operators. Zbl 1367.47060
2016
Fixed points, fixed sets and iterated multifunction systems for nonself multivalued operators. Zbl 1328.54047
2015
Kannan contractions and strongly demicontractive mappings. Zbl 1389.47133
Măruşter, Ştefan; Rus, Ioan A.
2015
An abstract point of view on iterative approximation of fixed points of nonself operators. Zbl 1310.47089
Berinde, V.; Măruşter, Şt.; Rus, I. A.
2014
Results and problems in Ulam stability of operatorial equations and inclusions. Zbl 1311.39052
Rus, Ioan A.
2014
The generalized retraction methods in fixed point theory for nonself operators. Zbl 1326.47067
Rus, Ioan A.
2014
Basic problems of the metric fixed point theory and the relevance of a metric fixed point theorem for a multivalued operator. Zbl 1293.47053
Petruşel, A.; Rus, I. A.; Şerban, M. A.
2014
From a Dieudonné theorem concerning the Cauchy problem to an open problem in the theory of weakly Picard operators. Zbl 1349.54086
Berinde, Vasile; Păcurar, Mădălina; Rus, Ioan A.
2014
Heuristic introduction to weakly Picard operator theory. Zbl 1349.47090
Rus, Ioan A.
2014
Some fixed point theorems on Cartesian product in terms of vectorial measures of noncompactness. Zbl 1349.47089
2014
A class of functional-integral equations with applications to a bilocal problem. Zbl 1327.45005
2014
Some fixed point theorems in terms of two measures of noncompactness. Zbl 1389.47141
2014
Basic problems of the metric fixed point theory and the relevance of a metric fixed point theorem. Zbl 1313.54108
2013
The role of equivalent metrics in fixed point theory. Zbl 1278.54044
2013
An abstract point of view on iterative approximation schemes of fixed points for multivalued operators. Zbl 1432.54075
2013
An abstract point of view on iterative approximation of fixed points: impact on the theory of fixed point equations. Zbl 1327.47066
Rus, Ioan A.
2012
Properties of the solutions of those equations for which the Krasnoselskii iteration converges. Zbl 1275.47126
Rus, Ioan A.
2012
A Müller’s example to Cauchy problem: an operatorial point of view. Zbl 1278.47053
Rus, Ioan A.
2012
Gronwall inequalities via Picard operators. Zbl 1275.47113
Lungu, Nicolaie; Rus, Ioan A.
2012
Ulam stability of the operatorial equations. Zbl 1248.39043
Rus, Ioan A.
2011
Step method for some integral equations from biomathematics. Zbl 1249.65288
Rus, Ioan A.; Serban, Marcel-Adrian; Trif, Damian
2011
Ulam stabilities of ordinary differential equations in a Banach space. Zbl 1224.34164
Rus, Ioan A.
2010
Fixed point theory for cyclic $$\varphi$$-contractions. Zbl 1191.54042
Păcurar, Mădălina; Rus, Ioan A.
2010
Gronwall Lemma approach to the hyers-Ulam-Rassias stability of an integral equation. Zbl 1185.45015
Rus, Ioan A.
2010
The theory of a metric fixed point theorem for multivalued operators. Zbl 1225.54026
2010
A class of abstract Volterra equations, via weakly Picard operators technique. Zbl 1197.47080
Şerban, M. A.; Rus, I. A.; Petruşel, A.
2010
Some nonlinear functional differential and integral equations, via weakly Picard operator theory: a survey. Zbl 1217.47145
Rus, Ioan A.
2010
Operators on infinite dimensional Cartesian product. Zbl 1223.47065
2010
Fixed point and interpolation point set of a positive linear operator on $$C(\overline{D})$$. Zbl 1240.41069
Rus, Ioan A.
2010
Iterates of Stancu operators (via fixed point principles) revisited. Zbl 1250.41013
Rus, Ioan A.
2010
Kasahara spaces. Zbl 1213.54076
Rus, Ioan A.
2010
Ulam stability of ordinary differential equations. Zbl 1224.34165
Rus, Ioan A.
2009
Remarks on Ulam stability of the operatorial equations. Zbl 1204.47071
Rus, Ioan A.
2009
Gronwall lemmas: ten open problems. Zbl 1223.47064
Rus, Ioan A.
2009
Data dependence of fixed points for non-self generalized contractions. Zbl 1226.47056
2009
On a functional Volterra-Fredholm integral equation, via Picard operators. Zbl 1195.45035
Lungu, Nicolaie; Rus, Ioan A.
2009
Fixed point theory. Zbl 1171.54034
Rus, Ioan A.; Petruşel, Adrian; Petruşel, Gabriela
2008
The theory of a metrical fixed point theorem: theoretical and applicative relevances. Zbl 1172.54030
Rus, Ioan A.
2008
Fixed point theory in partial metric spaces. Zbl 1199.54244
Rus, Ion A.
2008
Ulam stability of a nonlinear hyperbolic partial differential equation. Zbl 1249.35219
Lungu, Nicolaie; Rus, Ioan A.
2008
Some generalizations of a Cauchy lemma and applications. Zbl 1224.54104
2008
Functional-differential equations with “maxima” via weakly Picard operators theory. Zbl 1194.34121
Otrocol, Diana; Rus, Ioan A.
2008
Fixed points for operators on generalized metric spaces. Zbl 1160.54030
2008
Functional-differential equations with maxima of mixed type. Zbl 1162.34052
Otrocol, Diana; Rus, Ioan A.
2008
Abstract models of step method which imply the convergence of successive approximations. Zbl 1159.47046
Rus, Ioan A.
2008
Fibre Picard operators on gauge spaces and applications. Zbl 1176.47042
Rus, I. A.; Petruşel, A.; Şerban, M. A.
2008
Well-posedness in the generalized sense of the fixed point problems for multivalued operators. Zbl 1149.54022
Petruşel, Adrian; Rus, Ioan A.; Yao, Jen-Chih
2007
Well-posedness of the fixed point problem for multivalued operators. Zbl 1169.47037
2007
Picard operators and well-posedness of fixed point problems. Zbl 1164.47060
Rus, Ioan A.
2007
Fixed point theory for multivalued operators on a set with two metrics. Zbl 1133.47036
2007
Data dependence of the fixed points in a set with two metrics. Zbl 1136.54028
Rus, Ioan A.
2007
First order iterative functional-differential equation with parameter. Zbl 1212.47039
Egri, Edith; Rus, Ioan A.
2007
An integral equation arising from infectious diseases, via Picard operator. Zbl 1164.45303
Dobriţoiu, M.; Rus, I. A.; Şerban, M. A.
2007
Fixed point theorems for set-valued $$Y$$-contractions. Zbl 1126.47047
Rus, Ioan A.; Petruşel, Adrian; Petruşel, Gabriela
2007
Fixed point theorems in ordered $$L$$-spaces. Zbl 1086.47026
2006
Weakly Picard operators: equivalent definitions, applications and open problems. Zbl 1111.47048
2006
Fixed point structure theory. Zbl 1110.47047
Rus, Ioan A.
2006
Boundary value problems for iterative functional-differential equations. Zbl 1164.47400
Rus, Ioan A.; Egri, Edith
2006
Metric space with fixed point property with respect to contractions. Zbl 1174.54386
Rus, Ioan A.
2006
Cyclic representations and fixed points. Zbl 1463.54126
Rus, Ioan A.
2005
Weakly Picard operators on a set with two metrics. Zbl 1112.47306
Rus, Ioan A.; Mureşan, Anton S.; Mureşan, Viorica
2005
Set-theoretic aspects of fixed point theory of multivalued operators: open problems. Zbl 1082.54527
Rus, Ioan A.
2005
Iterates of Bernstein operators, via contraction principle. Zbl 1056.41004
Rus, Ioan A.
2004
Fixed points, upper and lower fixed points: abstract Gronwall lemmas. Zbl 1113.54304
Rus, Ioan A.
2004
Multivalued Picard and weakly Picard operators. Zbl 1091.47047
2004
First order functional-differential equations with both advanced and retarded arguments. Zbl 1062.34067
Rus, Ioan A.; Darzu-Ilea, Veronica
2004
Sequences of operators and fixed points. Zbl 1090.47046
Rus, Ioan A.
2004
Picard operators and applications. Zbl 1031.47035
Rus, Ioan A.
2003
Data dependence of the fixed point set of some multivalued weakly Picard operators. Zbl 1055.47047
Rus, Ioan A.; Petruşel, Adrian; Sîntămărian, Alina
2003
Iterates of a class of discrete linear operators via contraction principle. Zbl 1096.41015
Agratini, Octavian; Rus, Ioan A.
2003
Strict fixed point theory. Zbl 1070.47519
Rus, Ioan A.
2003
Iterates of some bivariate approximation process via weakly Picard operators. Zbl 1206.41021
Agratini, Octavian; Rus, Ioan A.
2003
Fixed point theory 1950–2000. Romanian contributions. Zbl 1005.54037
Rus, Ioan A.; Petruşel, Adrian; Petruşel, Gabriela
2002
Iterates of Stancu operators, via contraction principle. Zbl 1249.41020
Rus, Ioan A.
2002
Functional-differential equations of mixed type, via weakly Picard operators. Zbl 1035.34073
Rus, Ioan A.
2002
Generalized contractions and applications. Zbl 0968.54029
Rus, Ioan A.
2001
Weakly Picard operators and applications. Zbl 1035.47044
Rus, Ioan A.
2001
Data dependence of the fixed points set of multivalued weakly Picard operators. Zbl 1027.47053
Rus, Ioan A.; Petruşel, Adrian; Sîntămărian, Alina
2001
Dynamics on $$(P_{cp}(X), H_d)$$ generated by a finite family of multi-valued operators on $$(X,d)$$. Zbl 1011.47043
2001
Hyperbolic differential inequalities. Zbl 1020.47052
Lungu, N.; Rus, I. A.
2001
Data dependence of the fixed points set of multivalued weakly Picard operators in uniform spaces. Zbl 1027.47049
Angelov, Vasil G.; Rus, I. A.
2000
Fixed points, zeros and surjectivity. Zbl 1027.47513
Rus, I. A.; Aldea, F.
2000
An abstract point of view in the nonlinear diference equations. Zbl 1084.47525
Rus, Ioan A.
1999
A fiber generalized contraction theorem and applications. Zbl 1027.47514
Rus, Ioan A.
1999
Fiber Picard operators theorem and applications. Zbl 1027.47515
Rus, Ioan A.
1999
Data dependence of the fixed point set of weakly Picard operators. Zbl 1005.54036
Rus, Ioan A.; Mureşan, Sorin
1998
Differential equations, integral equations and dynamical systems. (Ecuaţii diferenţiale, ecuaţii integrale şi sisteme dinamice.) Zbl 0922.34001
Rus, Ioan A.
1996
Weakly Picard mappings. Zbl 0787.54045
Rus, Ioan A.
1993
A functional-differential model for price fluctuations in a single commodity market. Zbl 0830.90010
Rus, Ioan A.; Iancu, Crăciun
1993
Basic problems of the metric fixed point theory revisited. II. Zbl 0878.47044
Rus, Ioan A.
1991
Some remarks on coincidence theory. Zbl 0803.54033
Rus, Ioan A.
1991
A delay integral equation from biomathematics. Zbl 0749.45004
Rus, Ioan A.
1989
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