Edit Profile (opens in new tab) Precup, Radu Compute Distance To: Compute Author ID: precup.radu Published as: Precup, Radu; Precup, R. Homepage: http://math.ubbcluj.ro/~r.precup/ External Links: MGP · Google Scholar · ResearchGate Documents Indexed: 190 Publications since 1980, including 5 Books Reviewing Activity: 328 Reviews Co-Authors: 55 Co-Authors with 94 Joint Publications 1,681 Co-Co-Authors all top 5 Co-Authors 92 single-authored 17 O’Regan, Donal 7 Moussaoui, Toufik 6 Agarwal, Ravi P. 6 Rodríguez-López, Jorge 6 Şerban, Marcel Adrian 5 Cucuianu, Andrei 5 Trif, Damian 5 Varga, Csaba György 4 Cardinali, Tiziana 4 Couchouron, Jean-François 4 Jebelean, Petru 4 Rubbioni, Paola 3 Bolojan, Octavia 3 Budescu, Angela 3 Bunoiu, Renata 3 Infante, Gennaro 3 Novac, Adela Carmen 2 Boucherif, Abdelkader 2 Boulaiki, Habiba 2 Buică, Adriana 2 Herlea, Diana-Raluca 2 Koumla, Sylvain 2 Lois-Prados, Cristina 2 Muzsi, Dezideriu 2 Parajdi, Lorand Gabriel 2 Pucci, Patrizia 2 Rus, Ioan A. 2 Viorel, Adrian 1 Arghirescu, Smaranda 1 Benedetti, Irene 1 Benzenati, Lyna 1 Bolojan-Nica, Octavia 1 Budişan, Sorin 1 Cabada, Alberto 1 Chinnì, Antonia 1 Chis-Novac, Adela 1 Chiş, Adela 1 Di Bella, Beatrice 1 Djebali, Smail 1 Gheorghiu, Călin Ioan 1 Hadj Amor, Sana 1 Haplea, Ioan Ştefan 1 Horvat Marc, Andrei 1 Kamenskiĭ, Mikhaĭl Igor’evich 1 Kohr, Mirela 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 Petruşel, Adrian 1 Rodríguez-López, Rosana 1 Saavedra, Lorena 1 Sene, Abdou 1 Şerban, Margit 1 Tersian, Stepan Agop 1 Traiki, Abdelhak all top 5 Serials 16 Studia Universitatis Babeș-Bolyai. Mathematica 10 Mathématica – Revue d’Analyse Numérique et de Théorie de l’Approximation. L’Analyse Numérique et la Théorie de l’Approximation 9 Fixed Point Theory 8 Journal of Fixed Point Theory and Applications 8 Preprint. “Babeș-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 Annals of the Tiberiu Popoviciu Seminar of Functional Equations, Approximation and Convexity 6 Dynamic Systems and Applications 6 Topological Methods in Nonlinear Analysis 5 Revue d’Analyse Numérique et de Théorie de l’Approximation 4 Applicable Analysis 4 Electronic Journal of Differential Equations (EJDE) 3 Mathematica 3 Electronic Journal of Qualitative Theory of Differential Equations 3 Seminar on Fixed Point Theory Cluj-Napoca 3 Mediterranean Journal of Mathematics 3 Carpathian 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 Nonlinear Analysis. Real World Applications 2 Dynamics of Continuous, Discrete & Impulsive Systems. Series A. Mathematical Analysis 2 Preprint. “Babeș-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 Potential Analysis 1 PU.M.A. Pure Mathematics and Applications 1 Turkish Journal of Mathematics 1 Analele Universității 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 Mathematical Fluid Mechanics 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 Mathematical Biosciences and Engineering 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 1 Results in Applied Mathematics all top 5 Fields 125 Operator theory (47-XX) 83 Ordinary differential equations (34-XX) 39 Partial differential equations (35-XX) 20 Integral equations (45-XX) 20 Global analysis, analysis on manifolds (58-XX) 19 General topology (54-XX) 14 Biology and other natural sciences (92-XX) 9 Dynamical systems and ergodic theory (37-XX) 9 Numerical analysis (65-XX) 8 Real functions (26-XX) 6 Approximations and expansions (41-XX) 6 Functional analysis (46-XX) 6 Calculus of variations and optimal control; optimization (49-XX) 3 Algebraic topology (55-XX) 2 Convex and discrete geometry (52-XX) 2 Fluid mechanics (76-XX) 2 Systems theory; control (93-XX) 1 History and biography (01-XX) 1 Linear and multilinear algebra; matrix theory (15-XX) 1 Difference and functional equations (39-XX) 1 Harmonic analysis on Euclidean spaces (42-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 122 Publications have been cited 724 times in 419 Documents Cited by ▼ Year ▼ The role of matrices that are convergent to zero in the study of semilinear operator systems. Zbl 1165.65336Precup, Radu 65 2009 Methods in nonlinear integral equations. Zbl 1060.65136Precup, Radu 46 2002 Fixed point theorems for set-valued maps and existence principles for integral inclusions. Zbl 0956.47026O’Regan, Donal; Precup, Radu 34 2000 Theorems of Leray-Schauder type and applications. Zbl 1045.47002O’Regan, Donal; Precup, Radu 27 2001 A vector version of Krasnosel’skiĭ’s fixed point theorem in cones and positive periodic solutions of nonlinear systems. Zbl 1134.47041Precup, Radu 25 2007 Existence criteria for integral equations in Banach spaces. Zbl 0993.45011O’Regan, Donal; Precup, Radu 24 2001 Existence results for systems with coupled nonlocal initial conditions. Zbl 1288.34019Bolojan-Nica, Octavia; Infante, Gennaro; Precup, Radu 24 2014 On the nonlocal initial value problem for first order differential equations. Zbl 1050.34001Boucherif, Abdelkader; Precup, Radu 24 2003 Seminlinear evolution equations with nonlocal initial conditions. Zbl 1154.34027Boucherif, Abdelkader; Precup, Radu 22 2007 Existence, localization and multiplicity results for positive radial solutions of semilinear elliptic systems. Zbl 1178.35162Precup, Radu 19 2009 On the topological transversality principle. Zbl 0780.47048Precup, Radu 18 1993 On the nonlocal initial value problem for first order differential systems. Zbl 1274.34041Nica, Octavia; Precup, Radu 13 2011 Compression-expansion fixed point theorem in two norms and applications. Zbl 1078.47017O’Regan, Donal; Precup, Radu 11 2005 A topological approach to the existence and multiplicity of positive solutions of \((p, q)\)-Laplacian systems. Zbl 1328.35043Infante, Gennaro; Maciejewski, Mateusz; Precup, Radu 11 2015 Solvability of \(p, q\)-Laplacian systems with potential boundary conditions. Zbl 1189.34040Jebelean, Petru; Precup, Radu 11 2010 Existence results for systems of nonlinear evolution equations. Zbl 1172.35438Precup, Radu; Viorel, Adrian 10 2008 Nash-type equilibria and periodic solutions to nonvariational systems. Zbl 1300.47108Precup, Radu 10 2014 A unified existence theory for evolution equations and systems under nonlocal conditions. Zbl 1331.34149Cardinali, Tiziana; Precup, Radu; Rubbioni, Paola 10 2015 Moser-Harnack inequality, Krasnoselskii type fixed point theorems in cones and elliptic problems. Zbl 1282.35176Precup, Radu 10 2012 Positive solutions for discontinuous problems with applications to \(\phi \)-Laplacian equations. Zbl 1454.34031Precup, Radu; Rodríguez-López, Jorge 9 2018 Continuation theory for general contractions in gauge spaces. Zbl 1087.47050Chiş, Adela; Precup, Radu 8 2004 Existence, localization and multiplicity of positive solutions to \(\phi\)-Laplace equations and systems. Zbl 1357.34056Herlea, Diana-Raluca; Precup, Radu 8 2016 Fourth-order \(p\)-Laplacian nonlinear systems via the vector version of Krasnosel’skiĭ’s fixed point theorem. Zbl 1193.47057Djebali, Smail; Moussaoui, Toufik; Precup, Radu 8 2009 On some fixed point theorems of Deimling. Zbl 0856.47034Precup, Radu 8 1994 Data dependence of fixed points for non-self generalized contractions. Zbl 1226.47056Chis-Novac, Adela; Precup, Radu; Rus, Ioan A. 8 2009 Linear and semilinear partial differential equations. An introduction. Zbl 1263.35001Precup, Radu 7 2013 Multiple positive solutions of non-local initial value problems for first order differential systems. Zbl 1245.34026Precup, Radu; Trif, Damian 7 2012 Existence principles for inclusions of Hammerstein type involving noncompact acyclic multivalued maps. Zbl 0991.47050Couchouron, Jean-François; Precup, Radu 7 2002 Fixed point theorems for decomposable multi-valued maps and applications. Zbl 1057.54032Precup, R. 7 2003 Multiple positive solutions to a fourth-order boundary-value problem. Zbl 1357.34054Cabada, Alberto; Precup, Radu; Saavedra, Lorena; Tersian, Stepan A. 6 2016 Vectorial approach to coupled nonlinear Schrödinger systems under nonlocal Cauchy conditions. Zbl 1338.35403Bunoiu, Renata; Precup, Radu 6 2016 Implicit first order differential systems with nonlocal conditions. Zbl 1324.34020Bolojan, Octavia; Precup, Radu 6 2014 Generalized topological transversality and existence theorems. Zbl 0745.54018Precup, Radu 6 1991 A four-point boundary value problem with singular \(\phi \)-Laplacian. Zbl 1418.34049Chinní, Antonia; Di Bella, Beatrice; Jebelean, Petru; Precup, Radu 6 2019 Multiplicity results for operator systems via fixed point index. Zbl 1407.34036Precup, Radu; Rodríguez-López, Jorge 6 2019 Positive periodic solutions for Lotka-Volterra systems with a general attack rate. Zbl 1433.34066Lois-Prados, Cristina; Precup, Radu 6 2020 Non-resonance and existence for systems of non-linear operator equations. Zbl 1160.47049Muzsi, Dezideriu; Precup, Radu 5 2008 Existence results for systems of nonlinear evolution inclusions. Zbl 1207.35202Precup, Radu; Viorel, Adrian 5 2010 A hypothetical-mathematical model of acute myeloid leukaemia pathogenesis. Zbl 1202.92035Cucuianu, Andrei; Precup, Radu 5 2010 Positive solutions of semi-linear elliptic problems via Krasnoselskii type theorems in cones and Harnack’s inequality. Zbl 1366.35040Precup, Radu 5 2006 On a bounded critical point theorem of Schechter. Zbl 1299.47143Precup, Radu 5 2013 Abstract weak Harnack inequality, multiple fixed points and \(p\)-Laplace equations. Zbl 1277.47070Precup, Radu 5 2012 Discrete continuation method for boundary value problems on bounded sets in Banach spaces. Zbl 0939.34021Precup, Radu 5 2000 The Leray-Schauder boundary condition in critical point theory. Zbl 1186.58012Precup, Radu 5 2009 Multiple periodic solutions with prescribed minimal period to second-order Hamiltonian systems. Zbl 1305.34062Precup, Radu 4 2014 Perov type results in gauge spaces and their applications to integral systems on semi-axis. Zbl 1349.54122Novac, Adela; Precup, Radu 4 2014 Some existence results for differential equations with both retarded and advanced arguments. Zbl 1084.34542Precup, Radu 4 2002 Critical point theorems in cones and multiple positive solutions of elliptic problems. Zbl 1257.47070Precup, Radu 4 2012 Continuation theory for contractions on spaces with two vector-valued metrics. Zbl 1034.54017O’Regan, Donal; Precup, Radu 4 2003 Nonnegative solutions of nonlinear integral equations in ordered Banach spaces. Zbl 1054.45009Horvat-Marc, Andrei; Precup, Radu 4 2004 Two positive solutions of some singular boundary value problems. Zbl 1206.34045Precup, Radu 4 2010 Positive solutions for \(\phi\)-Laplace equations with discontinuous state-dependent forcing terms. Zbl 1420.34050Precup, Radu; Rodríguez-López, Jorge 4 2019 Location of nonnegative solutions for differential equations on finite and semi-infinite intervals. Zbl 1055.34027Agarwal, Ravi P.; Meehan, Maria; O’Regan, Donal; Precup, Radu 3 2003 Two positive nontrivial solutions for a class of semilinear elliptic variational systems. Zbl 1200.35095Precup, Radu 3 2011 Poincaré inequalities in reflexive cones. Zbl 1216.46032Jebelean, Petru; Precup, Radu 3 2011 Homotopy method for positive solutions of \(p\)-Laplace inclusions. Zbl 1168.35445Couchouron, Jean-François; Precup, Radu 3 2007 Harnack type inequalities and multiple solutions in cones of nonlinear problems. Zbl 1444.47065Herlea, Diana-Raluca; O’Regan, Donal; Precup, Radu 3 2020 A vector version of the fixed point theorem of cone compression and expansion for a sum of two operators. Zbl 1504.47082Benzenati, Lyna; Mebarki, Karima; Precup, Radu 3 2020 Positive solutions of the initial value problem for an integral equation modeling infectious disease. Zbl 0762.45003Precup, Radu 3 1991 Monotone technique to the initial values problem for a delay integral equation from biomathematics. Zbl 0865.47051Precup, Radu 3 1995 Symmetric positive solutions to a singular \(\phi\)-laplace equation. Zbl 1421.34022Jebelean, Petru; Precup, Radu 3 2019 A three critical points result in a bounded domain of a Banach space and applications. Zbl 1413.47153Precup, Radu; Pucci, Patrizia; Varga, Csaba 3 2017 Heterogeneous vectorial fixed point theorems. Zbl 1453.47006Cardinali, Tiziana; Precup, Radu; Rubbioni, Paola 3 2017 Positive solutions of functional-differential systems via the vector version of Krasnoselskii’s fixed point theorem in cones. Zbl 1265.34227Budisan, Sorin; Precup, Radu 3 2011 Abstract generalized quasilinearization method for coincidences. Zbl 1020.65031Buică, Adriana; Precup, Radu 3 2002 Integrable solutions of Hammerstein integral inclusions in Banach spaces. Zbl 1022.45007O’Regan, Donal; Precup, Radu 3 2002 Discrete continuation method for nonlinear integral equations in Banach spaces. Zbl 0980.45007Precup, Radu 3 2000 Critical point localization theorems via Ekeland’s variational principle. Zbl 06280591Precup, Radu 3 2013 On the Palais-Smale condition for Hammerstein integral equations in Hilbert spaces. Zbl 1042.47530Precup, Radu 3 2001 Fixed point index theory for decomposable multivalued maps and applications to discontinuous \(\phi\)-Laplacian problems. Zbl 07247130Precup, Radu; Rodríguez-López, Jorge 3 2020 Positive solutions of evolution operator equations. Zbl 1078.47059Precup, Radu 2 2005 Anti-periodic solutions for second order differential inclusions. Zbl 1073.45514Couchouron, Jean-Francois; Precup, Radu 2 2004 Existence theory for nonlinear operator equations of Hammerstein type in Banach spaces. Zbl 1086.47034O’Regan, Donal; Precup, Radu 2 2005 Boundary value problems arising in the percolation of water from a cylindrical reservoir into the surrounding soil. Zbl 1091.34009Agarwal, Ravi P.; O’Regan, Donal; Precup, Radu 2 2005 Variational properties of the solutions of singular second-order differential equations and systems. Zbl 1368.34033Budescu, Angela; Precup, Radu 2 2016 Mathematical modeling of cell dynamics after allogeneic bone marrow transplantation. Zbl 1297.92043Precup, Radu; Arghirescu, Smaranda; Cucuianu, Andrei; Şerban, Margit 2 2012 Existence results for systems with nonlinear coupled nonlocal initial conditions. Zbl 1389.34068Bolojan, Octavia; Infante, Gennaro; Precup, Radu 2 2015 A critical point theorem in bounded convex sets and localization of Nash-type equilibria of nonvariational systems. Zbl 1388.58008Precup, Radu 2 2018 A variational analogue of Krasnoselskii’s cone fixed point theory. Zbl 1441.47090Precup, Radu 2 2019 Domain invariance theorems for contractive type maps. Zbl 1148.47041Agarwal, Ravi P.; O’Regan, Donal; Precup, Radu 2 2007 A Granas type approach to some continuation theorems and periodic boundary value problems with impulses. Zbl 0847.34028Precup, Radu 2 1995 Localization and multiplicity in the homogenization of nonlinear problems. Zbl 1421.35015Bunoiu, Renata; Precup, Radu 2 2020 Nonlinear boundary value problems for infinite systems of second-order functional differential equations. Zbl 0704.34022Precup, Radu 2 1988 Localization of positive critical points in Banach spaces and applications. Zbl 1378.58011Precup, Radu; Varga, Csaba 2 2017 Asymptotic stability for a model of cell dynamics after allogeneic bone marrow transplantation. Zbl 1335.37060Precup, R.; Şerban, M-A.; Trif, D. 2 2013 Lectures on partial differential equations. (Lecţii de ecuaţii cu derivate parţiale.) Zbl 1052.35001Precup, Radu 2 2004 Existence theorems for nonlinear problems by continuation methods. Zbl 0906.47041Precup, Radu 2 1997 Energy-based localization and multiplicity of radially symmetric states for the stationary \(p\)-Laplace diffusion. Zbl 1441.35110Precup, Radu; Pucci, Patrizia; Varga, Csaba 2 2020 Existence and localization results for the nonlinear wave equation. Zbl 1107.35086Precup, Radu 1 2004 Nash-type equilibria for systems of Szulkin functionals. Zbl 1440.47049Precup, Radu 1 2016 Nonresonance theory for semilinear operator equations under regularity conditions. Zbl 1169.47053Muzsi, Dezideriu; Precup, Radu 1 2008 Positive solutions for elliptic boundary value problems with a Harnack-like property. Zbl 1165.47059Moussaoui, Toufik; Precup, Radu 1 2008 The nonlinear heat equation via fixed point principles. Zbl 1170.35462Precup, Radu 1 2006 A Schechter type critical point result in annular conical domains of a Banach space and applications. Zbl 1338.47117Lisei, Hannelore; Precup, Radu; Varga, Csaba 1 2016 Positive solutions of nonlinear systems with \(p\)-Laplacian on finite and semi-infinite intervals. Zbl 1135.34014O’Regan, Donal; Precup, Radu 1 2007 A mathematical approach to cell dynamics before and after allogeneic bone marrow transplantation. Zbl 1402.92155Precup, Radu; Trif, Damian; Serban, Marcel-Adrian; Cucuianu, Andrei 1 2010 On the continuation method and the nonlinear alternative for Caristi-type non-self-mappings. Zbl 1317.54019Precup, Radu 1 2014 Variational properties of the solutions of semilinear equations under nonresonance conditions. Zbl 1354.34111Budescu, Angela; Precup, Radu 1 2016 Measure of noncompactness and second order differential equations with deviating argument. Zbl 0885.34056Precup, Radu 1 1989 Mathematical understanding of the autologous stem cell transplantation. Zbl 1313.92027Precup, Radu 1 2012 Positive periodic solutions for Lotka-Volterra systems with a general attack rate. Zbl 1433.34066Lois-Prados, Cristina; Precup, Radu 6 2020 Harnack type inequalities and multiple solutions in cones of nonlinear problems. Zbl 1444.47065Herlea, Diana-Raluca; O’Regan, Donal; Precup, Radu 3 2020 A vector version of the fixed point theorem of cone compression and expansion for a sum of two operators. Zbl 1504.47082Benzenati, Lyna; Mebarki, Karima; Precup, Radu 3 2020 Fixed point index theory for decomposable multivalued maps and applications to discontinuous \(\phi\)-Laplacian problems. Zbl 07247130Precup, Radu; Rodríguez-López, Jorge 3 2020 Localization and multiplicity in the homogenization of nonlinear problems. Zbl 1421.35015Bunoiu, Renata; Precup, Radu 2 2020 Energy-based localization and multiplicity of radially symmetric states for the stationary \(p\)-Laplace diffusion. Zbl 1441.35110Precup, Radu; Pucci, Patrizia; Varga, Csaba 2 2020 Integrodifferential evolution systems with nonlocal initial conditions. Zbl 07560082Koumla, Sylvain; Precup, Radu 1 2020 A four-point boundary value problem with singular \(\phi \)-Laplacian. Zbl 1418.34049Chinní, Antonia; Di Bella, Beatrice; Jebelean, Petru; Precup, Radu 6 2019 Multiplicity results for operator systems via fixed point index. Zbl 1407.34036Precup, Radu; Rodríguez-López, Jorge 6 2019 Positive solutions for \(\phi\)-Laplace equations with discontinuous state-dependent forcing terms. Zbl 1420.34050Precup, Radu; Rodríguez-López, Jorge 4 2019 Symmetric positive solutions to a singular \(\phi\)-laplace equation. Zbl 1421.34022Jebelean, Petru; Precup, Radu 3 2019 A variational analogue of Krasnoselskii’s cone fixed point theory. Zbl 1441.47090Precup, Radu 2 2019 Existence results for some neutral functional integrodifferential equations with bounded delay. Zbl 1441.45008Koumla, Sylvain; Precup, Radu; Sene, Abdou 1 2019 Positive solutions for discontinuous problems with applications to \(\phi \)-Laplacian equations. Zbl 1454.34031Precup, Radu; Rodríguez-López, Jorge 9 2018 A critical point theorem in bounded convex sets and localization of Nash-type equilibria of nonvariational systems. Zbl 1388.58008Precup, Radu 2 2018 Two abstract approaches in vectorial fixed point theory. Zbl 1496.47083Cardinali, Tiziana; Precup, Radu; Rubbioni, Paola 1 2018 Analysis of a planar differential system arising from hematology. Zbl 1438.34160Parajdi, Lorand Gabriel; Precup, Radu 1 2018 A three critical points result in a bounded domain of a Banach space and applications. Zbl 1413.47153Precup, Radu; Pucci, Patrizia; Varga, Csaba 3 2017 Heterogeneous vectorial fixed point theorems. Zbl 1453.47006Cardinali, Tiziana; Precup, Radu; Rubbioni, Paola 3 2017 Localization of positive critical points in Banach spaces and applications. Zbl 1378.58011Precup, Radu; Varga, Csaba 2 2017 Existence, localization and multiplicity of positive solutions to \(\phi\)-Laplace equations and systems. Zbl 1357.34056Herlea, Diana-Raluca; Precup, Radu 8 2016 Multiple positive solutions to a fourth-order boundary-value problem. Zbl 1357.34054Cabada, Alberto; Precup, Radu; Saavedra, Lorena; Tersian, Stepan A. 6 2016 Vectorial approach to coupled nonlinear Schrödinger systems under nonlocal Cauchy conditions. Zbl 1338.35403Bunoiu, Renata; Precup, Radu 6 2016 Variational properties of the solutions of singular second-order differential equations and systems. Zbl 1368.34033Budescu, Angela; Precup, Radu 2 2016 Nash-type equilibria for systems of Szulkin functionals. Zbl 1440.47049Precup, Radu 1 2016 A Schechter type critical point result in annular conical domains of a Banach space and applications. Zbl 1338.47117Lisei, Hannelore; Precup, Radu; Varga, Csaba 1 2016 Variational properties of the solutions of semilinear equations under nonresonance conditions. Zbl 1354.34111Budescu, Angela; Precup, Radu 1 2016 A topological approach to the existence and multiplicity of positive solutions of \((p, q)\)-Laplacian systems. Zbl 1328.35043Infante, Gennaro; Maciejewski, Mateusz; Precup, Radu 11 2015 A unified existence theory for evolution equations and systems under nonlocal conditions. Zbl 1331.34149Cardinali, Tiziana; Precup, Radu; Rubbioni, Paola 10 2015 Existence results for systems with nonlinear coupled nonlocal initial conditions. Zbl 1389.34068Bolojan, Octavia; Infante, Gennaro; Precup, Radu 2 2015 Existence results for systems with coupled nonlocal initial conditions. Zbl 1288.34019Bolojan-Nica, Octavia; Infante, Gennaro; Precup, Radu 24 2014 Nash-type equilibria and periodic solutions to nonvariational systems. Zbl 1300.47108Precup, Radu 10 2014 Implicit first order differential systems with nonlocal conditions. Zbl 1324.34020Bolojan, Octavia; Precup, Radu 6 2014 Multiple periodic solutions with prescribed minimal period to second-order Hamiltonian systems. Zbl 1305.34062Precup, Radu 4 2014 Perov type results in gauge spaces and their applications to integral systems on semi-axis. Zbl 1349.54122Novac, Adela; Precup, Radu 4 2014 On the continuation method and the nonlinear alternative for Caristi-type non-self-mappings. Zbl 1317.54019Precup, Radu 1 2014 Some fixed point theorems in terms of two measures of noncompactness. Zbl 1389.47141Precup, Radu; Rus, Ioan A. 1 2014 Linear and semilinear partial differential equations. An introduction. Zbl 1263.35001Precup, Radu 7 2013 On a bounded critical point theorem of Schechter. Zbl 1299.47143Precup, Radu 5 2013 Critical point localization theorems via Ekeland’s variational principle. Zbl 06280591Precup, Radu 3 2013 Asymptotic stability for a model of cell dynamics after allogeneic bone marrow transplantation. Zbl 1335.37060Precup, R.; Şerban, M-A.; Trif, D. 2 2013 Moser-Harnack inequality, Krasnoselskii type fixed point theorems in cones and elliptic problems. Zbl 1282.35176Precup, Radu 10 2012 Multiple positive solutions of non-local initial value problems for first order differential systems. Zbl 1245.34026Precup, Radu; Trif, Damian 7 2012 Abstract weak Harnack inequality, multiple fixed points and \(p\)-Laplace equations. Zbl 1277.47070Precup, Radu 5 2012 Critical point theorems in cones and multiple positive solutions of elliptic problems. Zbl 1257.47070Precup, Radu 4 2012 Mathematical modeling of cell dynamics after allogeneic bone marrow transplantation. Zbl 1297.92043Precup, Radu; Arghirescu, Smaranda; Cucuianu, Andrei; Şerban, Margit 2 2012 Mathematical understanding of the autologous stem cell transplantation. Zbl 1313.92027Precup, Radu 1 2012 A planning algorithm for correction therapies after allogeneic stem cell transplantation. Zbl 1402.92254Precup, Radu; Şerban, Marcel-Adrian; Trif, Damian; Cucuianu, Andrei 1 2012 On the nonlocal initial value problem for first order differential systems. Zbl 1274.34041Nica, Octavia; Precup, Radu 13 2011 Two positive nontrivial solutions for a class of semilinear elliptic variational systems. Zbl 1200.35095Precup, Radu 3 2011 Poincaré inequalities in reflexive cones. Zbl 1216.46032Jebelean, Petru; Precup, Radu 3 2011 Positive solutions of functional-differential systems via the vector version of Krasnoselskii’s fixed point theorem in cones. Zbl 1265.34227Budisan, Sorin; Precup, Radu 3 2011 Nonlinear Schrödinger equations via fixed point principles. Zbl 1264.35225Manole, Mihaela; Precup, Radu 1 2011 Solvability of \(p, q\)-Laplacian systems with potential boundary conditions. Zbl 1189.34040Jebelean, Petru; Precup, Radu 11 2010 Existence results for systems of nonlinear evolution inclusions. Zbl 1207.35202Precup, Radu; Viorel, Adrian 5 2010 A hypothetical-mathematical model of acute myeloid leukaemia pathogenesis. Zbl 1202.92035Cucuianu, Andrei; Precup, Radu 5 2010 Two positive solutions of some singular boundary value problems. Zbl 1206.34045Precup, Radu 4 2010 A mathematical approach to cell dynamics before and after allogeneic bone marrow transplantation. Zbl 1402.92155Precup, Radu; Trif, Damian; Serban, Marcel-Adrian; Cucuianu, Andrei 1 2010 The role of matrices that are convergent to zero in the study of semilinear operator systems. Zbl 1165.65336Precup, Radu 65 2009 Existence, localization and multiplicity results for positive radial solutions of semilinear elliptic systems. Zbl 1178.35162Precup, Radu 19 2009 Fourth-order \(p\)-Laplacian nonlinear systems via the vector version of Krasnosel’skiĭ’s fixed point theorem. Zbl 1193.47057Djebali, Smail; Moussaoui, Toufik; Precup, Radu 8 2009 Data dependence of fixed points for non-self generalized contractions. Zbl 1226.47056Chis-Novac, Adela; Precup, Radu; Rus, Ioan A. 8 2009 The Leray-Schauder boundary condition in critical point theory. Zbl 1186.58012Precup, Radu 5 2009 Existence results for semilinear elliptic boundary value problems via topological methods. Zbl 1163.35382Moussaoui, Toufik; Precup, Radu 1 2009 Existence results for systems of nonlinear evolution equations. Zbl 1172.35438Precup, Radu; Viorel, Adrian 10 2008 Non-resonance and existence for systems of non-linear operator equations. Zbl 1160.47049Muzsi, Dezideriu; Precup, Radu 5 2008 Nonresonance theory for semilinear operator equations under regularity conditions. Zbl 1169.47053Muzsi, Dezideriu; Precup, Radu 1 2008 Positive solutions for elliptic boundary value problems with a Harnack-like property. Zbl 1165.47059Moussaoui, Toufik; Precup, Radu 1 2008 A compression type mountain pass theorem in conical shells. Zbl 1151.58007Precup, Radu 1 2008 A vector version of Krasnosel’skiĭ’s fixed point theorem in cones and positive periodic solutions of nonlinear systems. Zbl 1134.47041Precup, Radu 25 2007 Seminlinear evolution equations with nonlocal initial conditions. Zbl 1154.34027Boucherif, Abdelkader; Precup, Radu 22 2007 Homotopy method for positive solutions of \(p\)-Laplace inclusions. Zbl 1168.35445Couchouron, Jean-François; Precup, Radu 3 2007 Domain invariance theorems for contractive type maps. Zbl 1148.47041Agarwal, Ravi P.; O’Regan, Donal; Precup, Radu 2 2007 Positive solutions of nonlinear systems with \(p\)-Laplacian on finite and semi-infinite intervals. Zbl 1135.34014O’Regan, Donal; Precup, Radu 1 2007 Positive solutions of semi-linear elliptic problems via Krasnoselskii type theorems in cones and Harnack’s inequality. Zbl 1366.35040Precup, Radu 5 2006 The nonlinear heat equation via fixed point principles. Zbl 1170.35462Precup, Radu 1 2006 Compression-expansion fixed point theorem in two norms and applications. Zbl 1078.47017O’Regan, Donal; Precup, Radu 11 2005 Positive solutions of evolution operator equations. Zbl 1078.47059Precup, Radu 2 2005 Existence theory for nonlinear operator equations of Hammerstein type in Banach spaces. Zbl 1086.47034O’Regan, Donal; Precup, Radu 2 2005 Boundary value problems arising in the percolation of water from a cylindrical reservoir into the surrounding soil. Zbl 1091.34009Agarwal, Ravi P.; O’Regan, Donal; Precup, Radu 2 2005 Continuation theory for general contractions in gauge spaces. Zbl 1087.47050Chiş, Adela; Precup, Radu 8 2004 Nonnegative solutions of nonlinear integral equations in ordered Banach spaces. Zbl 1054.45009Horvat-Marc, Andrei; Precup, Radu 4 2004 Anti-periodic solutions for second order differential inclusions. Zbl 1073.45514Couchouron, Jean-Francois; Precup, Radu 2 2004 Lectures on partial differential equations. (Lecţii de ecuaţii cu derivate parţiale.) Zbl 1052.35001Precup, Radu 2 2004 Existence and localization results for the nonlinear wave equation. Zbl 1107.35086Precup, Radu 1 2004 On the nonlocal initial value problem for first order differential equations. Zbl 1050.34001Boucherif, Abdelkader; Precup, Radu 24 2003 Fixed point theorems for decomposable multi-valued maps and applications. Zbl 1057.54032Precup, R. 7 2003 Continuation theory for contractions on spaces with two vector-valued metrics. Zbl 1034.54017O’Regan, Donal; Precup, Radu 4 2003 Location of nonnegative solutions for differential equations on finite and semi-infinite intervals. Zbl 1055.34027Agarwal, Ravi P.; Meehan, Maria; O’Regan, Donal; Precup, Radu 3 2003 A nonlinear periodic averaging principle. Zbl 1034.34074Couchouron, Jean-François; Kamenski, Mikhail; Precup, Radu 1 2003 Fixed point theory and generalized Leray-Schauder alternatives for approximable maps in topological vector spaces. Zbl 1067.47068Agarwal, Ravi P.; O’Regan, Donal; Precup, Radu 1 2003 Methods in nonlinear integral equations. Zbl 1060.65136Precup, Radu 46 2002 Existence principles for inclusions of Hammerstein type involving noncompact acyclic multivalued maps. Zbl 0991.47050Couchouron, Jean-François; Precup, Radu 7 2002 Some existence results for differential equations with both retarded and advanced arguments. Zbl 1084.34542Precup, Radu 4 2002 Abstract generalized quasilinearization method for coincidences. Zbl 1020.65031Buică, Adriana; Precup, Radu 3 2002 Integrable solutions of Hammerstein integral inclusions in Banach spaces. Zbl 1022.45007O’Regan, Donal; Precup, Radu 3 2002 Theorems of Leray-Schauder type and applications. Zbl 1045.47002O’Regan, Donal; Precup, Radu 27 2001 Existence criteria for integral equations in Banach spaces. Zbl 0993.45011O’Regan, Donal; Precup, Radu 24 2001 On the Palais-Smale condition for Hammerstein integral equations in Hilbert spaces. Zbl 1042.47530Precup, Radu 3 2001 Continuation results for mappings of contractive type. Zbl 1048.47042Precup, Radu 1 2001 ...and 22 more Documents all cited Publications top 5 cited Publications all top 5 Cited by 493 Authors 55 Precup, Radu 52 O’Regan, Donal 16 Agarwal, Ravi P. 11 Nieto Roig, Juan Jose 11 Ouahab, Abdelghani 11 Petruşel, Adrian 10 Infante, Gennaro 9 Şerban, Marcel Adrian 9 Wang, Jinrong 8 Rodríguez-López, Jorge 7 Rakočević, Vladimir 6 Cardinali, Tiziana 6 Lan, Kunquan 6 Pietramala, Paolamaria 6 Rubbioni, Paola 6 Rus, Ioan A. 6 Samet, Bessem 5 Ahmad, Bashir 5 Djebali, Smail 5 Jebelean, Petru 5 Moussaoui, Toufik 5 Ntouyas, Sotiris K. 5 Rodríguez-López, Rosana 5 Varga, Csaba György 5 Yang, Zhilin 4 Abbas, Mujahid 4 Benchohra, Mouffak 4 Blouhi, Tayeb 4 Cvetković, Marija S. 4 Henderson, Johnny Lee 4 Hosseinzadeh, Hasan 4 Jleli, Mohamed Boussairi 4 Li, Yongxiang 4 Lupulescu, Vasile 4 Pietkun, Radosław 4 Tisdell, Christopher C. 4 Zhou, Yong 3 Abbas, Said 3 Ashyralyev, Allaberen 3 Benedetti, Irene 3 Bunoiu, Renata 3 Cianciaruso, Filomena 3 El-Sayed, Ahmed Mohamed Ahmed 3 Fečkan, Michal 3 Feng, Meiqiang 3 Galewski, Marek 3 Graef, John R. 3 Gupta, Animesh 3 Li, Zhi 3 Mishra, Lakshmi Narayan 3 Petruşel, Gabriela 3 Satco, Bianca-Renata 3 Tikare, Sanket A. 3 Vetro, Calogero 3 Vijayakumar, Velusamy 3 Xu, Jiafa 3 Xu, Liping 3 Zhang, Yuruo 2 Abdeljawad, Thabet 2 Ahmed, Hamdy M. 2 Ali, Muhammad Usman 2 Al-saedi, Ahmed Eid Salem 2 Ariza-Ruiz, David 2 Băleanu, Dumitru I. 2 Baliki, Abdessalam 2 Bełdziński, Michał 2 Benmezaï, Abdelhamid 2 Berinde, Vasile 2 Bonab, Samira Hadi 2 Boucherif, Abdelkader 2 Budescu, Angela 2 Buică, Adriana 2 Caraballo Garrido, Tomás 2 Cui, Yujun 2 Diz-Pita, Érika 2 Dobritoiu, Maria A. 2 El-Gebeily, Mohamed A. 2 Erdogan, Abdullah Said 2 Fan, Ruixiong 2 Ferhat, Mohamed 2 Fewster-Young, Nicholas 2 Frigon, Marlène 2 Goodrich, Christopher S. 2 Hernández, Eduardo M. 2 Hong, Shihuang 2 Ilea, Veronica Ana 2 Iqbal, Afshan 2 Jabeen, Tahira 2 Jiang, Wei 2 Jiménez-Melado, Antonio 2 Kamran, Tayyab 2 Kavitha, Krishnan 2 Liang, Jin 2 Lin, Wei 2 Lisei, Hannelore 2 Liu, James Hetao 2 Llibre, Jaume 2 Lois-Prados, Cristina 2 Luca, Rodica 2 Maciejewski, Mateusz ...and 393 more Authors all top 5 Cited in 147 Serials 25 Journal of Mathematical Analysis and Applications 21 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 18 Journal of Fixed Point Theory and Applications 17 Fixed Point Theory and Applications 16 Applied Mathematics Letters 14 Applied Mathematics and Computation 11 Applicable Analysis 10 Boundary Value Problems 9 Mediterranean Journal of Mathematics 9 Advances in Difference Equations 8 Mathematical and Computer Modelling 6 Computers & Mathematics with Applications 6 Journal of Inequalities and Applications 6 Nonlinear Analysis. Modelling and Control 6 Journal of Applied Mathematics and Computing 6 Fixed Point Theory 5 Fuzzy Sets and Systems 5 Results in Mathematics 5 Filomat 5 Nonlinear Analysis. Real World Applications 5 Journal of Nonlinear Science and Applications 4 Journal of Differential Equations 4 Zeitschrift für Analysis und ihre Anwendungen 4 Topological Methods in Nonlinear Analysis 4 Abstract and Applied Analysis 4 Positivity 4 Fractional Differential Calculus 4 Journal of Function Spaces 4 AIMS Mathematics 3 Ukrainian Mathematical Journal 3 Journal of Computational and Applied Mathematics 3 Journal of Optimization Theory and Applications 3 Mathematische Nachrichten 3 Numerical Functional Analysis and Optimization 3 Journal of Integral Equations and Applications 3 Turkish Journal of Mathematics 3 Random Operators and Stochastic Equations 3 Discrete Dynamics in Nature and Society 3 Dynamics of Continuous, Discrete & Impulsive Systems. Series A. Mathematical Analysis 3 Complex Variables and Elliptic Equations 3 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM 3 Journal of Applied Analysis and Computation 3 Nonlinear Analysis. Theory, Methods & Applications 2 Mathematical Methods in the Applied Sciences 2 Rocky Mountain Journal of Mathematics 2 Chaos, Solitons and Fractals 2 Proceedings of the American Mathematical Society 2 Stochastic Analysis and Applications 2 Bulletin des Sciences Mathématiques 2 Opuscula Mathematica 2 Analysis (München) 2 Communications in Nonlinear Science and Numerical Simulation 2 Journal of Dynamical and Control Systems 2 Annales Mathematicae Silesianae 2 Qualitative Theory of Dynamical Systems 2 Journal of Nonlinear Mathematical Physics 2 Discrete and Continuous Dynamical Systems. Series B 2 Applied Mathematics E-Notes 2 Acta Mathematica Scientia. Series B. (English Edition) 2 Communications on Pure and Applied Analysis 2 Analysis and Applications (Singapore) 2 Set-Valued and Variational Analysis 2 Journal of Theoretical Biology 2 Electronic Journal of Mathematical Analysis and Applications EJMAA 2 International Journal of Analysis and Applications 2 Fixed Point Theory and Algorithms for Sciences and Engineering 1 Bulletin of the Australian Mathematical Society 1 Theoretical and Mathematical Physics 1 Bulletin. Classe des Sciences Mathématiques et Naturelles. Sciences Mathématiques 1 Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica 1 Annales Polonici Mathematici 1 Applied Mathematics and Optimization 1 Archivum Mathematicum 1 Demonstratio Mathematica 1 Fasciculi Mathematici 1 Glasgow Mathematical Journal 1 Journal of the London Mathematical Society. Second Series 1 Journal of Soviet Mathematics 1 Proceedings of the Edinburgh Mathematical Society. Series II 1 Publications of the Research Institute for Mathematical Sciences, Kyoto University 1 Quaestiones Mathematicae 1 Quarterly of Applied Mathematics 1 Rendiconti del Circolo Matemàtico di Palermo. Serie II 1 Ricerche di Matematica 1 Topology and its Applications 1 Rendiconti di Matematica e delle sue Applicazioni. Serie VII 1 Operations Research Letters 1 Chinese Annals of Mathematics. Series B 1 Acta Mathematica Hungarica 1 Bulletin of the Iranian Mathematical Society 1 Physica D 1 Journal of Theoretical Probability 1 The Journal of Geometric Analysis 1 Applied Mathematical Modelling 1 International Journal of Computer Mathematics 1 SIAM Journal on Mathematical Analysis 1 Expositiones Mathematicae 1 Journal of Dynamics and Differential Equations 1 International Journal of Bifurcation and Chaos in Applied Sciences and Engineering 1 Potential Analysis ...and 47 more Serials all top 5 Cited in 37 Fields 229 Operator theory (47-XX) 184 Ordinary differential equations (34-XX) 77 General topology (54-XX) 76 Partial differential equations (35-XX) 49 Integral equations (45-XX) 25 Real functions (26-XX) 23 Numerical analysis (65-XX) 19 Calculus of variations and optimal control; optimization (49-XX) 19 Biology and other natural sciences (92-XX) 19 Systems theory; control (93-XX) 18 Global analysis, analysis on manifolds (58-XX) 14 Algebraic topology (55-XX) 13 Dynamical systems and ergodic theory (37-XX) 12 Probability theory and stochastic processes (60-XX) 8 Functional analysis (46-XX) 5 Linear and multilinear algebra; matrix theory (15-XX) 4 Difference and functional equations (39-XX) 4 Harmonic analysis on Euclidean spaces (42-XX) 4 Convex and discrete geometry (52-XX) 4 Fluid mechanics (76-XX) 3 Mathematical logic and foundations (03-XX) 3 Measure and integration (28-XX) 3 Computer science (68-XX) 3 Operations research, mathematical programming (90-XX) 2 Special functions (33-XX) 2 Mechanics of deformable solids (74-XX) 2 Optics, electromagnetic theory (78-XX) 2 Quantum theory (81-XX) 2 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 1 General and overarching topics; collections (00-XX) 1 History and biography (01-XX) 1 Several complex variables and analytic spaces (32-XX) 1 Integral transforms, operational calculus (44-XX) 1 Geometry (51-XX) 1 Statistics (62-XX) 1 Statistical mechanics, structure of matter (82-XX) 1 Information and communication theory, circuits (94-XX) Citations by Year