# zbMATH — the first resource for mathematics

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 Author ID: precup.radu Published as: Precup, Radu; Precup, R. Homepage: http://math.ubbcluj.ro/~r.precup/ External Links: MGP · ResearchGate
 Documents Indexed: 180 Publications since 1980, including 5 Books Reviewing Activity: 319 Reviews
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#### Co-Authors

 90 single-authored 17 O’Regan, Donal 6 Agarwal, Ravi P. 6 Moussaoui, Toufik 5 Cucuianu, Andrei 5 Rodríguez-López, Jorge 5 Şerban, Marcel Adrian 5 Trif, Damian 5 Varga, Csaba György 4 Couchouron, Jean-François 4 Jebelean, Petru 3 Bolojan, Octavia 3 Budescu, Angela 3 Bunoiu, Renata 3 Cardinali, Tiziana 3 Infante, Gennaro 3 Novac, Adela Carmen 3 Rubbioni, Paola 2 Boucherif, Abdelkader 2 Buică, Adriana 2 Herlea, Diana-Raluca 2 Lois-Prados, Cristina 2 Muzsi, Dezideriu 2 Pucci, Patrizia 2 Rus, Ioan A. 2 Viorel, Adrian 1 Arghirescu, Smaranda 1 Benzenati, Lyna 1 Bolojan-Nica, Octavia 1 Boulaiki, Habiba 1 Budişan, Sorin 1 Cabada, Alberto 1 Chinnì, Antonia 1 Chis-Novac, Adela 1 Chiş, Adela 1 Di Bella, Beatrice 1 Djebali, Smail 1 Horvat Marc, Andrei 1 Kamenskiĭ, Mikhaĭl Igor’evich 1 Koumla, Sylvain 1 Lisei, Hannelore 1 Liu, Yansheng 1 Ma, Ruyun 1 Maciejewski, Mateusz 1 Manole, Mihaela 1 Mebarki, Karima 1 Meehan, Maria 1 Nica, Octavia-Maria 1 Parajdi, Lorand Gabriel 1 Petruşel, Adrian 1 Rodríguez-López, Rosana 1 Saavedra, Lorena 1 Sene, Abdou 1 Şerban, Margit 1 Tersian, Stepan Agop
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#### Serials

 15 Studia Universitatis Babeş-Bolyai. Mathematica 10 Mathématica – Revue d’Analyse Numérique et de Théorie de l’Approximation. L’Analyse Numérique et la Théorie de l’Approximation 8 Fixed Point Theory 8 Preprint. “Babeş-Bolyai” University. Faculty of Mathematics and Physics. Research Seminars 7 Journal of Mathematical Analysis and Applications 7 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 7 Journal of Fixed Point Theory and Applications 7 Annals of the Tiberiu Popoviciu Seminar of Functional Equations, Approximation and Convexity 6 Dynamic Systems and Applications 5 Revue d’Analyse Numérique et de Théorie de l’Approximation 5 Topological Methods in Nonlinear Analysis 4 Applicable Analysis 4 Electronic Journal of Differential Equations (EJDE) 3 Mathematica 3 Seminar on Fixed Point Theory Cluj-Napoca 3 Mediterranean Journal of Mathematics 3 Nonlinear Analysis. Theory, Methods & Applications 2 Results in Mathematics 2 Zeitschrift für Analysis und ihre Anwendungen 2 Applied Mathematics Letters 2 Nonlinear Studies 2 Electronic Journal of Qualitative Theory of Differential Equations 2 Nonlinear Analysis. Real World Applications 2 Dynamics of Continuous, Discrete & Impulsive Systems. Series A. Mathematical Analysis 2 Carpathian Journal of Mathematics 2 Preprint. “Babeş-Bolyai” University. Faculty of Mathematics. Research Seminars 2 Advances in Nonlinear Analysis 1 Journal of Computational and Applied Mathematics 1 Journal of the London Mathematical Society. Second Series 1 Mathematica Slovaca 1 Numerical Functional Analysis and Optimization 1 Quaestiones Mathematicae 1 Libertas Mathematica 1 Mathematical and Computer Modelling 1 Differential and Integral Equations 1 Mathematica Bohemica 1 PU.M.A. Pure Mathematics and Applications 1 Turkish Journal of Mathematics 1 Analele Universităţii din Craiova. Seria Matematică Informatică 1 Discrete and Continuous Dynamical Systems 1 Communications in Applied Analysis 1 Positivity 1 Taiwanese Journal of Mathematics 1 Journal of Inequalities and Applications 1 Journal of Computational Analysis and Applications 1 JIPAM. Journal of Inequalities in Pure & Applied Mathematics 1 Journal of Nonlinear and Convex Analysis 1 Nonlinear Analysis. Modelling and Control 1 Nonlinear Functional Analysis and Applications 1 Dynamical Systems 1 Discrete and Continuous Dynamical Systems. Series B 1 Nonlinear Dynamics and Systems Theory 1 International Journal of Pure and Applied Mathematics 1 JMMA. Journal of Mathematical Modelling and Algorithms 1 Communications on Pure and Applied Analysis 1 Analysis and Applications (Singapore) 1 Fixed Point Theory and Applications 1 The Australian Journal of Mathematical Analysis and Applications 1 Cubo 1 Dynamics of Partial Differential Equations 1 Complex Variables and Elliptic Equations 1 Computational & Mathematical Methods in Medicine 1 International Journal of Biomathematics 1 Set-Valued and Variational Analysis 1 Journal of Applied Analysis and Computation 1 De Gruyter Textbook 1 De Gruyter Graduate
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#### Fields

 118 Operator theory (47-XX) 79 Ordinary differential equations (34-XX) 35 Partial differential equations (35-XX) 20 Global analysis, analysis on manifolds (58-XX) 19 Integral equations (45-XX) 18 General topology (54-XX) 13 Biology and other natural sciences (92-XX) 8 Real functions (26-XX) 8 Dynamical systems and ergodic theory (37-XX) 8 Numerical analysis (65-XX) 6 Approximations and expansions (41-XX) 6 Functional analysis (46-XX) 5 Calculus of variations and optimal control; optimization (49-XX) 3 Algebraic topology (55-XX) 2 Convex and discrete geometry (52-XX) 1 History and biography (01-XX) 1 Linear and multilinear algebra; matrix theory (15-XX) 1 Harmonic analysis on Euclidean spaces (42-XX) 1 Fluid mechanics (76-XX) 1 Systems theory; control (93-XX)

#### Citations contained in zbMATH Open

112 Publications have been cited 545 times in 316 Documents Cited by Year
The role of matrices that are convergent to zero in the study of semilinear operator systems. Zbl 1165.65336
2009
Methods in nonlinear integral equations. Zbl 1060.65136
2002
Fixed point theorems for set-valued maps and existence principles for integral inclusions. Zbl 0956.47026
O’Regan, Donal; Precup, Radu
2000
Theorems of Leray-Schauder type and applications. Zbl 1045.47002
O’Regan, Donal; Precup, Radu
2001
Seminlinear evolution equations with nonlocal initial conditions. Zbl 1154.34027
2007
On the nonlocal initial value problem for first order differential equations. Zbl 1050.34001
2003
A vector version of Krasnosel’skiĭ’s fixed point theorem in cones and positive periodic solutions of nonlinear systems. Zbl 1134.47041
2007
On the topological transversality principle. Zbl 0780.47048
1993
Existence criteria for integral equations in Banach spaces. Zbl 0993.45011
O’Regan, Donal; Precup, Radu
2001
Existence, localization and multiplicity results for positive radial solutions of semilinear elliptic systems. Zbl 1178.35162
2009
Existence results for systems with coupled nonlocal initial conditions. Zbl 1288.34019
Bolojan-Nica, Octavia; Infante, Gennaro; Precup, Radu
2014
Solvability of $$p, q$$-Laplacian systems with potential boundary conditions. Zbl 1189.34040
Jebelean, Petru; Precup, Radu
2010
Moser-Harnack inequality, Krasnoselskii type fixed point theorems in cones and elliptic problems. Zbl 1282.35176
2012
Compression-expansion fixed point theorem in two norms and applications. Zbl 1078.47017
O’Regan, Donal; Precup, Radu
2005
On the nonlocal initial value problem for first order differential systems. Zbl 1274.34041
Nica, Octavia; Precup, Radu
2011
On some fixed point theorems of Deimling. Zbl 0856.47034
1994
A unified existence theory for evolution equations and systems under nonlocal conditions. Zbl 1331.34149
Cardinali, Tiziana; Precup, Radu; Rubbioni, Paola
2015
Fourth-order $$p$$-Laplacian nonlinear systems via the vector version of Krasnosel’skiĭ’s fixed point theorem. Zbl 1193.47057
Djebali, Smail; Moussaoui, Toufik; Precup, Radu
2009
A topological approach to the existence and multiplicity of positive solutions of $$(p, q)$$-Laplacian systems. Zbl 1328.35043
Infante, Gennaro; Maciejewski, Mateusz; Precup, Radu
2015
Nash-type equilibria and periodic solutions to nonvariational systems. Zbl 1300.47108
2014
Existence principles for inclusions of Hammerstein type involving noncompact acyclic multivalued maps. Zbl 0991.47050
Couchouron, Jean-François; Precup, Radu
2002
Multiple positive solutions of non-local initial value problems for first order differential systems. Zbl 1245.34026
Precup, Radu; Trif, Damian
2012
Data dependence of fixed points for non-self generalized contractions. Zbl 1226.47056
Chis-Novac, Adela; Precup, Radu; Rus, Ioan A.
2009
Generalized topological transversality and existence theorems. Zbl 0745.54018
1991
Existence results for systems of nonlinear evolution equations. Zbl 1172.35438
2008
Existence results for systems of nonlinear evolution inclusions. Zbl 1207.35202
2010
The Leray-Schauder boundary condition in critical point theory. Zbl 1186.58012
2009
Continuation theory for general contractions in gauge spaces. Zbl 1087.47050
2004
Abstract weak Harnack inequality, multiple fixed points and $$p$$-Laplace equations. Zbl 1277.47070
2012
Discrete continuation method for boundary value problems on bounded sets in Banach spaces. Zbl 0939.34021
2000
Existence, localization and multiplicity of positive solutions to $$\phi$$-Laplace equations and systems. Zbl 1357.34056
Herlea, Diana-Raluca; Precup, Radu
2016
Positive solutions of semi-linear elliptic problems via Krasnoselskii type theorems in cones and Harnack’s inequality. Zbl 1366.35040
2006
Positive solutions for discontinuous problems with applications to $$\phi$$-Laplacian equations. Zbl 1454.34031
Precup, Radu; Rodríguez-López, Jorge
2018
Linear and semilinear partial differential equations. An introduction. Zbl 1263.35001
2013
Two positive solutions of some singular boundary value problems. Zbl 1206.34045
2010
Non-resonance and existence for systems of non-linear operator equations. Zbl 1160.47049
Muzsi, Dezideriu; Precup, Radu
2008
Implicit first order differential systems with nonlocal conditions. Zbl 1324.34020
Bolojan, Octavia; Precup, Radu
2014
On a bounded critical point theorem of Schechter. Zbl 1299.47143
2013
Vectorial approach to coupled nonlinear Schrödinger systems under nonlocal Cauchy conditions. Zbl 1338.35403
Bunoiu, Renata; Precup, Radu
2016
Multiple positive solutions to a fourth-order boundary-value problem. Zbl 1357.34054
Cabada, Alberto; Precup, Radu; Saavedra, Lorena; Tersian, Stepan A.
2016
A hypothetical-mathematical model of acute myeloid leukaemia pathogenesis. Zbl 1202.92035
Cucuianu, Andrei; Precup, Radu
2010
Some existence results for differential equations with both retarded and advanced arguments. Zbl 1084.34542
2002
Fixed point theorems for decomposable multi-valued maps and applications. Zbl 1057.54032
Precup, R.
2003
Positive solutions of functional-differential systems via the vector version of Krasnoselskii’s fixed point theorem in cones. Zbl 1265.34227
Budisan, Sorin; Precup, Radu
2011
Critical point theorems in cones and multiple positive solutions of elliptic problems. Zbl 1257.47070
2012
Two positive nontrivial solutions for a class of semilinear elliptic variational systems. Zbl 1200.35095
2011
Positive solutions of the initial value problem for an integral equation modeling infectious disease. Zbl 0762.45003
1991
Monotone technique to the initial values problem for a delay integral equation from biomathematics. Zbl 0865.47051
1995
Location of nonnegative solutions for differential equations on finite and semi-infinite intervals. Zbl 1055.34027
Agarwal, Ravi P.; Meehan, Maria; O’Regan, Donal; Precup, Radu
2003
On the Palais-Smale condition for Hammerstein integral equations in Hilbert spaces. Zbl 1042.47530
2001
Nonnegative solutions of nonlinear integral equations in ordered Banach spaces. Zbl 1054.45009
Horvat-Marc, Andrei; Precup, Radu
2004
Abstract generalized quasilinearization method for coincidences. Zbl 1020.65031
2002
Integrable solutions of Hammerstein integral inclusions in Banach spaces. Zbl 1022.45007
O’Regan, Donal; Precup, Radu
2002
A three critical points result in a bounded domain of a Banach space and applications. Zbl 1413.47153
Precup, Radu; Pucci, Patrizia; Varga, Csaba
2017
Multiplicity results for operator systems via fixed point index. Zbl 1407.34036
Precup, Radu; Rodríguez-López, Jorge
2019
A Granas type approach to some continuation theorems and periodic boundary value problems with impulses. Zbl 0847.34028
1995
Positive solutions of evolution operator equations. Zbl 1078.47059
2005
Anti-periodic solutions for second order differential inclusions. Zbl 1073.45514
Couchouron, Jean-Francois; Precup, Radu
2004
Existence theory for nonlinear operator equations of Hammerstein type in Banach spaces. Zbl 1086.47034
O’Regan, Donal; Precup, Radu
2005
Asymptotic stability for a model of cell dynamics after allogeneic bone marrow transplantation. Zbl 1335.37060
Precup, R.; Şerban, M-A.; Trif, D.
2013
Homotopy method for positive solutions of $$p$$-Laplace inclusions. Zbl 1168.35445
Couchouron, Jean-François; Precup, Radu
2007
Domain invariance theorems for contractive type maps. Zbl 1148.47041
Agarwal, Ravi P.; O’Regan, Donal; Precup, Radu
2007
Multiple periodic solutions with prescribed minimal period to second-order Hamiltonian systems. Zbl 1305.34062
2014
Mathematical modeling of cell dynamics after allogeneic bone marrow transplantation. Zbl 1297.92043
Precup, Radu; Arghirescu, Smaranda; Cucuianu, Andrei; Şerban, Margit
2012
Perov type results in gauge spaces and their applications to integral systems on semi-axis. Zbl 1349.54122
2014
Positive solutions for $$\phi$$-Laplace equations with discontinuous state-dependent forcing terms. Zbl 1420.34050
Precup, Radu; Rodríguez-López, Jorge
2019
Boundary value problems arising in the percolation of water from a cylindrical reservoir into the surrounding soil. Zbl 1091.34009
Agarwal, Ravi P.; O’Regan, Donal; Precup, Radu
2005
Continuation theory for contractions on spaces with two vector-valued metrics. Zbl 1034.54017
O’Regan, Donal; Precup, Radu
2003
Existence theorems for nonlinear problems by continuation methods. Zbl 0906.47041
1997
Discrete continuation method for nonlinear integral equations in Banach spaces. Zbl 0980.45007
2000
Nonlinear boundary value problems for infinite systems of second-order functional differential equations. Zbl 0704.34022
1988
Variational properties of the solutions of singular second-order differential equations and systems. Zbl 1368.34033
Budescu, Angela; Precup, Radu
2016
Symmetric positive solutions to a singular $$\phi$$-laplace equation. Zbl 1421.34022
Jebelean, Petru; Precup, Radu
2019
Poincaré inequalities in reflexive cones. Zbl 1216.46032
Jebelean, Petru; Precup, Radu
2011
A mathematical approach to cell dynamics before and after allogeneic bone marrow transplantation. Zbl 1402.92155
Precup, Radu; Trif, Damian; Serban, Marcel-Adrian; Cucuianu, Andrei
2010
Existence results for semilinear elliptic boundary value problems via topological methods. Zbl 1163.35382
Moussaoui, Toufik; Precup, Radu
2009
Nonlinear Schrödinger equations via fixed point principles. Zbl 1264.35225
Manole, Mihaela; Precup, Radu
2011
A fixed point theorem of Maia type in syntopogenous spaces. Zbl 0686.54029
1988
Some fixed point theorems in terms of two measures of noncompactness. Zbl 1389.47141
Precup, Radu; Rus, Ioan A.
2014
Topological transversality, perturbation theorems and second order differential equations. Zbl 0746.47033
1989
Sur l’axiomatique des espaces à convexite. Zbl 0482.52002
1980
Foundations of the continuation principles of Leray-Schauder type. Zbl 0841.47035
1994
Existence and localization results for the nonlinear wave equation. Zbl 1107.35086
2004
A compression type mountain pass theorem in conical shells. Zbl 1151.58007
2008
On the continuation method and the nonlinear alternative for Caristi-type non-self-mappings. Zbl 1317.54019
2014
Nonresonance theory for semilinear operator equations under regularity conditions. Zbl 1169.47053
Muzsi, Dezideriu; Precup, Radu
2008
The nonlinear heat equation via fixed point principles. Zbl 1170.35462
2006
Positive solutions for elliptic boundary value problems with a Harnack-like property. Zbl 1165.47059
Moussaoui, Toufik; Precup, Radu
2008
A variational analogue of Krasnoselskii’s cone fixed point theory. Zbl 1441.47090
2019
Nash-type equilibria for systems of Szulkin functionals. Zbl 1440.47049
2016
Mathematical understanding of the autologous stem cell transplantation. Zbl 1313.92027
2012
Existence results for systems with nonlinear coupled nonlocal initial conditions. Zbl 1389.34068
Bolojan, Octavia; Infante, Gennaro; Precup, Radu
2015
A Schechter type critical point result in annular conical domains of a Banach space and applications. Zbl 1338.47117
Lisei, Hannelore; Precup, Radu; Varga, Csaba
2016
A four-point boundary value problem with singular $$\phi$$-Laplacian. Zbl 1418.34049
Chinní, Antonia; Di Bella, Beatrice; Jebelean, Petru; Precup, Radu
2019
Localization and multiplicity in the homogenization of nonlinear problems. Zbl 1421.35015
Bunoiu, Renata; Precup, Radu
2020
Analysis of a planar differential system arising from hematology. Zbl 1438.34160
Parajdi, Lorand Gabriel; Precup, Radu
2018
Le théorème des contractions dans des espaces syntopogenes. Zbl 0522.54039
1980
Fixed point theory and generalized Leray-Schauder alternatives for approximable maps in topological vector spaces. Zbl 1067.47068
Agarwal, Ravi P.; O’Regan, Donal; Precup, Radu
2003
Periodic solutions of superlinear impulsive differential systems. Zbl 0934.34031
Kirr, E.; Precup, R.
1999
Measure of noncompactness and second order differential equations with deviating argument. Zbl 0885.34056
1989
Localization and multiplicity in the homogenization of nonlinear problems. Zbl 1421.35015
Bunoiu, Renata; Precup, Radu
2020
Positive periodic solutions for Lotka-Volterra systems with a general attack rate. Zbl 1433.34066
2020
Multiplicity results for operator systems via fixed point index. Zbl 1407.34036
Precup, Radu; Rodríguez-López, Jorge
2019
Positive solutions for $$\phi$$-Laplace equations with discontinuous state-dependent forcing terms. Zbl 1420.34050
Precup, Radu; Rodríguez-López, Jorge
2019
Symmetric positive solutions to a singular $$\phi$$-laplace equation. Zbl 1421.34022
Jebelean, Petru; Precup, Radu
2019
A variational analogue of Krasnoselskii’s cone fixed point theory. Zbl 1441.47090
2019
A four-point boundary value problem with singular $$\phi$$-Laplacian. Zbl 1418.34049
Chinní, Antonia; Di Bella, Beatrice; Jebelean, Petru; Precup, Radu
2019
Positive solutions for discontinuous problems with applications to $$\phi$$-Laplacian equations. Zbl 1454.34031
Precup, Radu; Rodríguez-López, Jorge
2018
Analysis of a planar differential system arising from hematology. Zbl 1438.34160
Parajdi, Lorand Gabriel; Precup, Radu
2018
A critical point theorem in bounded convex sets and localization of Nash-type equilibria of nonvariational systems. Zbl 1388.58008
2018
A three critical points result in a bounded domain of a Banach space and applications. Zbl 1413.47153
Precup, Radu; Pucci, Patrizia; Varga, Csaba
2017
Heterogeneous vectorial fixed point theorems. Zbl 1453.47006
Cardinali, Tiziana; Precup, Radu; Rubbioni, Paola
2017
Localization of positive critical points in Banach spaces and applications. Zbl 1378.58011
Precup, Radu; Varga, Csaba
2017
Existence, localization and multiplicity of positive solutions to $$\phi$$-Laplace equations and systems. Zbl 1357.34056
Herlea, Diana-Raluca; Precup, Radu
2016
Vectorial approach to coupled nonlinear Schrödinger systems under nonlocal Cauchy conditions. Zbl 1338.35403
Bunoiu, Renata; Precup, Radu
2016
Multiple positive solutions to a fourth-order boundary-value problem. Zbl 1357.34054
Cabada, Alberto; Precup, Radu; Saavedra, Lorena; Tersian, Stepan A.
2016
Variational properties of the solutions of singular second-order differential equations and systems. Zbl 1368.34033
Budescu, Angela; Precup, Radu
2016
Nash-type equilibria for systems of Szulkin functionals. Zbl 1440.47049
2016
A Schechter type critical point result in annular conical domains of a Banach space and applications. Zbl 1338.47117
Lisei, Hannelore; Precup, Radu; Varga, Csaba
2016
Variational properties of the solutions of semilinear equations under nonresonance conditions. Zbl 1354.34111
Budescu, Angela; Precup, Radu
2016
A unified existence theory for evolution equations and systems under nonlocal conditions. Zbl 1331.34149
Cardinali, Tiziana; Precup, Radu; Rubbioni, Paola
2015
A topological approach to the existence and multiplicity of positive solutions of $$(p, q)$$-Laplacian systems. Zbl 1328.35043
Infante, Gennaro; Maciejewski, Mateusz; Precup, Radu
2015
Existence results for systems with nonlinear coupled nonlocal initial conditions. Zbl 1389.34068
Bolojan, Octavia; Infante, Gennaro; Precup, Radu
2015
Existence results for systems with coupled nonlocal initial conditions. Zbl 1288.34019
Bolojan-Nica, Octavia; Infante, Gennaro; Precup, Radu
2014
Nash-type equilibria and periodic solutions to nonvariational systems. Zbl 1300.47108
2014
Implicit first order differential systems with nonlocal conditions. Zbl 1324.34020
Bolojan, Octavia; Precup, Radu
2014
Multiple periodic solutions with prescribed minimal period to second-order Hamiltonian systems. Zbl 1305.34062
2014
Perov type results in gauge spaces and their applications to integral systems on semi-axis. Zbl 1349.54122
2014
Some fixed point theorems in terms of two measures of noncompactness. Zbl 1389.47141
Precup, Radu; Rus, Ioan A.
2014
On the continuation method and the nonlinear alternative for Caristi-type non-self-mappings. Zbl 1317.54019
2014
Linear and semilinear partial differential equations. An introduction. Zbl 1263.35001
2013
On a bounded critical point theorem of Schechter. Zbl 1299.47143
2013
Asymptotic stability for a model of cell dynamics after allogeneic bone marrow transplantation. Zbl 1335.37060
Precup, R.; Şerban, M-A.; Trif, D.
2013
Moser-Harnack inequality, Krasnoselskii type fixed point theorems in cones and elliptic problems. Zbl 1282.35176
2012
Multiple positive solutions of non-local initial value problems for first order differential systems. Zbl 1245.34026
Precup, Radu; Trif, Damian
2012
Abstract weak Harnack inequality, multiple fixed points and $$p$$-Laplace equations. Zbl 1277.47070
2012
Critical point theorems in cones and multiple positive solutions of elliptic problems. Zbl 1257.47070
2012
Mathematical modeling of cell dynamics after allogeneic bone marrow transplantation. Zbl 1297.92043
Precup, Radu; Arghirescu, Smaranda; Cucuianu, Andrei; Şerban, Margit
2012
Mathematical understanding of the autologous stem cell transplantation. Zbl 1313.92027
2012
A planning algorithm for correction therapies after allogeneic stem cell transplantation. Zbl 1402.92254
Precup, Radu; Şerban, Marcel-Adrian; Trif, Damian; Cucuianu, Andrei
2012
On the nonlocal initial value problem for first order differential systems. Zbl 1274.34041
Nica, Octavia; Precup, Radu
2011
Positive solutions of functional-differential systems via the vector version of Krasnoselskii’s fixed point theorem in cones. Zbl 1265.34227
Budisan, Sorin; Precup, Radu
2011
Two positive nontrivial solutions for a class of semilinear elliptic variational systems. Zbl 1200.35095
2011
Poincaré inequalities in reflexive cones. Zbl 1216.46032
Jebelean, Petru; Precup, Radu
2011
Nonlinear Schrödinger equations via fixed point principles. Zbl 1264.35225
Manole, Mihaela; Precup, Radu
2011
Solvability of $$p, q$$-Laplacian systems with potential boundary conditions. Zbl 1189.34040
Jebelean, Petru; Precup, Radu
2010
Existence results for systems of nonlinear evolution inclusions. Zbl 1207.35202
2010
Two positive solutions of some singular boundary value problems. Zbl 1206.34045
2010
A hypothetical-mathematical model of acute myeloid leukaemia pathogenesis. Zbl 1202.92035
Cucuianu, Andrei; Precup, Radu
2010
A mathematical approach to cell dynamics before and after allogeneic bone marrow transplantation. Zbl 1402.92155
Precup, Radu; Trif, Damian; Serban, Marcel-Adrian; Cucuianu, Andrei
2010
The role of matrices that are convergent to zero in the study of semilinear operator systems. Zbl 1165.65336
2009
Existence, localization and multiplicity results for positive radial solutions of semilinear elliptic systems. Zbl 1178.35162
2009
Fourth-order $$p$$-Laplacian nonlinear systems via the vector version of Krasnosel’skiĭ’s fixed point theorem. Zbl 1193.47057
Djebali, Smail; Moussaoui, Toufik; Precup, Radu
2009
Data dependence of fixed points for non-self generalized contractions. Zbl 1226.47056
Chis-Novac, Adela; Precup, Radu; Rus, Ioan A.
2009
The Leray-Schauder boundary condition in critical point theory. Zbl 1186.58012
2009
Existence results for semilinear elliptic boundary value problems via topological methods. Zbl 1163.35382
Moussaoui, Toufik; Precup, Radu
2009
Existence results for systems of nonlinear evolution equations. Zbl 1172.35438
2008
Non-resonance and existence for systems of non-linear operator equations. Zbl 1160.47049
Muzsi, Dezideriu; Precup, Radu
2008
A compression type mountain pass theorem in conical shells. Zbl 1151.58007
2008
Nonresonance theory for semilinear operator equations under regularity conditions. Zbl 1169.47053
Muzsi, Dezideriu; Precup, Radu
2008
Positive solutions for elliptic boundary value problems with a Harnack-like property. Zbl 1165.47059
Moussaoui, Toufik; Precup, Radu
2008
Seminlinear evolution equations with nonlocal initial conditions. Zbl 1154.34027
2007
A vector version of Krasnosel’skiĭ’s fixed point theorem in cones and positive periodic solutions of nonlinear systems. Zbl 1134.47041
2007
Homotopy method for positive solutions of $$p$$-Laplace inclusions. Zbl 1168.35445
Couchouron, Jean-François; Precup, Radu
2007
Domain invariance theorems for contractive type maps. Zbl 1148.47041
Agarwal, Ravi P.; O&rsquo;Regan, Donal; Precup, Radu
2007
Positive solutions of nonlinear systems with $$p$$-Laplacian on finite and semi-infinite intervals. Zbl 1135.34014
O&rsquo;Regan, Donal; Precup, Radu
2007
Positive solutions of semi-linear elliptic problems via Krasnoselskii type theorems in cones and Harnack’s inequality. Zbl 1366.35040
2006
The nonlinear heat equation via fixed point principles. Zbl 1170.35462
2006
Compression-expansion fixed point theorem in two norms and applications. Zbl 1078.47017
O&rsquo;Regan, Donal; Precup, Radu
2005
Positive solutions of evolution operator equations. Zbl 1078.47059
2005
Existence theory for nonlinear operator equations of Hammerstein type in Banach spaces. Zbl 1086.47034
O&rsquo;Regan, Donal; Precup, Radu
2005
Boundary value problems arising in the percolation of water from a cylindrical reservoir into the surrounding soil. Zbl 1091.34009
Agarwal, Ravi P.; O&rsquo;Regan, Donal; Precup, Radu
2005
Continuation theory for general contractions in gauge spaces. Zbl 1087.47050
2004
Nonnegative solutions of nonlinear integral equations in ordered Banach spaces. Zbl 1054.45009
Horvat-Marc, Andrei; Precup, Radu
2004
Anti-periodic solutions for second order differential inclusions. Zbl 1073.45514
Couchouron, Jean-Francois; Precup, Radu
2004
Existence and localization results for the nonlinear wave equation. Zbl 1107.35086
2004
On the nonlocal initial value problem for first order differential equations. Zbl 1050.34001
2003
Fixed point theorems for decomposable multi-valued maps and applications. Zbl 1057.54032
Precup, R.
2003
Location of nonnegative solutions for differential equations on finite and semi-infinite intervals. Zbl 1055.34027
Agarwal, Ravi P.; Meehan, Maria; O&rsquo;Regan, Donal; Precup, Radu
2003
Continuation theory for contractions on spaces with two vector-valued metrics. Zbl 1034.54017
O&rsquo;Regan, Donal; Precup, Radu
2003
Fixed point theory and generalized Leray-Schauder alternatives for approximable maps in topological vector spaces. Zbl 1067.47068
Agarwal, Ravi P.; O&rsquo;Regan, Donal; Precup, Radu
2003
A nonlinear periodic averaging principle. Zbl 1034.34074
Couchouron, Jean-François; Kamenski, Mikhail; Precup, Radu
2003
Methods in nonlinear integral equations. Zbl 1060.65136
2002
Existence principles for inclusions of Hammerstein type involving noncompact acyclic multivalued maps. Zbl 0991.47050
Couchouron, Jean-François; Precup, Radu
2002
Some existence results for differential equations with both retarded and advanced arguments. Zbl 1084.34542
2002
Abstract generalized quasilinearization method for coincidences. Zbl 1020.65031
2002
Integrable solutions of Hammerstein integral inclusions in Banach spaces. Zbl 1022.45007
O&rsquo;Regan, Donal; Precup, Radu
2002
Theorems of Leray-Schauder type and applications. Zbl 1045.47002
O&rsquo;Regan, Donal; Precup, Radu
2001
Existence criteria for integral equations in Banach spaces. Zbl 0993.45011
O&rsquo;Regan, Donal; Precup, Radu
2001
On the Palais-Smale condition for Hammerstein integral equations in Hilbert spaces. Zbl 1042.47530
2001
Convexity and quadratic monotone approximation in delay differential equations. Zbl 1014.65059
2001
Fixed point theorems for set-valued maps and existence principles for integral inclusions. Zbl 0956.47026
O&rsquo;Regan, Donal; Precup, Radu
2000
Discrete continuation method for boundary value problems on bounded sets in Banach spaces. Zbl 0939.34021
2000
Discrete continuation method for nonlinear integral equations in Banach spaces. Zbl 0980.45007
2000
Periodic solutions of superlinear impulsive differential systems. Zbl 0934.34031
Kirr, E.; Precup, R.
1999
Existence theorems for nonlinear problems by continuation methods. Zbl 0906.47041
1997
Existence and approximation of positive fixed points of nonexpansive maps. Zbl 1076.47506
1997
On the continuation principle for nonexpansive maps. Zbl 1075.47510
1996
Continuation theorems for mappings of Caristi type. Zbl 1147.47307
1996
Monotone technique to the initial values problem for a delay integral equation from biomathematics. Zbl 0865.47051
1995
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