Edit Profile (opens in new tab) Precup, Radu Co-Author Distance Author ID: precup.radu Published as: Precup, Radu; Precup, R. Homepage: http://math.ubbcluj.ro/~r.precup/ External Links: MGP · Wikidata · Google Scholar · ResearchGate Documents Indexed: 209 Publications since 1980, including 5 Books and 2 Additional arXiv Preprints Reviewing Activity: 329 Reviews Co-Authors: 58 Co-Authors with 101 Joint Publications 1,820 Co-Co-Authors all top 5 Co-Authors 93 single-authored 17 O’Regan, Donal 9 Rodríguez-López, Jorge 7 Moussaoui, Toufik 6 Agarwal, Ravi P. 6 Şerban, Marcel Adrian 5 Cucuianu, Andrei 5 Jebelean, Petru 5 Trif, Damian 5 Varga, Csaba György 4 Cardinali, Tiziana 4 Couchouron, Jean-François 4 Novac, Adela Carmen 4 Parajdi, Lorand Gabriel 4 Rubbioni, Paola 3 Bolojan, Octavia 3 Budescu, Angela 3 Bunoiu, Renata 3 Haplea, Ioan Ştefan 3 Infante, Gennaro 3 Stan, Andrei 2 Agratini, Octavian 2 Boucherif, Abdelkader 2 Boulaiki, Habiba 2 Buică, Adriana 2 Gheorghiu, Călin Ioan 2 Herlea, Diana-Raluca 2 Kohr, Mirela 2 Kolun, Nataliia 2 Koumla, Sylvain 2 Lois-Prados, Cristina 2 Muzsi, Dezideriu 2 Orzan, Alexandru 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 Gunther, Christian 1 Hadj Amor, Sana 1 Hofman, Alexandru 1 Horvat Marc, Andrei 1 Ilea, Veronica Ana 1 Kamenskiĭ, Mikhaĭl Igor’evich 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 Otrocol, Diana 1 Pătrulescu, Flavius-Olimpiu 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 10 Fixed Point Theory 9 Journal of Fixed Point Theory and Applications 8 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 8 Preprint. “Babeș-Bolyai” University. Faculty of Mathematics and Physics. Research Seminars 7 Journal of Mathematical Analysis and Applications 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 Applicable Analysis 5 Revue d’Analyse Numérique et de Théorie de l’Approximation 4 Electronic Journal of Differential Equations (EJDE) 4 Carpathian Journal of Mathematics 3 Results in Mathematics 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 Nonlinear Analysis. Theory, Methods & Applications 2 Numerical Functional Analysis and Optimization 2 Quaestiones Mathematicae 2 Zeitschrift für Analysis und ihre Anwendungen 2 Applied Mathematics Letters 2 Nonlinear Studies 2 Positivity 2 Nonlinear Analysis. Real World Applications 2 Dynamics of Continuous, Discrete & Impulsive Systems. Series A. Mathematical Analysis 2 Analysis and Applications (Singapore) 2 Preprint. “Babeș-Bolyai” University. Faculty of Mathematics. Research Seminars 2 Journal of Applied Analysis and Computation 2 Advances in Nonlinear Analysis 1 Mathematical Methods in the Applied Sciences 1 Journal of Computational and Applied Mathematics 1 Journal of the London Mathematical Society. Second Series 1 Mathematica Slovaca 1 Libertas Mathematica 1 Optimization 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 Georgian Mathematical Journal 1 Analele Universității din Craiova. Seria Matematică Informatică 1 Discrete and Continuous Dynamical Systems 1 Communications in Applied Analysis 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 International Journal of Applied Mathematics and Computer Science 1 Qualitative Theory of Dynamical Systems 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 Proceedings of the Romanian Academy. Series A: Mathematics, Physics, Technical Sciences, Information Science 1 International Journal of Pure and Applied Mathematics 1 JMMA. Journal of Mathematical Modelling and Algorithms 1 Communications on Pure and Applied Analysis 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 Series in Mathematical Analysis and Applications 1 Computational & Mathematical Methods in Medicine 1 International Journal of Biomathematics 1 Set-Valued and Variational Analysis 1 De Gruyter Textbook 1 De Gruyter Graduate 1 Results in Applied Mathematics all top 5 Fields 132 Operator theory (47-XX) 88 Ordinary differential equations (34-XX) 45 Partial differential equations (35-XX) 21 Integral equations (45-XX) 20 Global analysis, analysis on manifolds (58-XX) 19 General topology (54-XX) 16 Biology and other natural sciences (92-XX) 11 Numerical analysis (65-XX) 10 Dynamical systems and ergodic theory (37-XX) 8 Real functions (26-XX) 8 Approximations and expansions (41-XX) 8 Calculus of variations and optimal control; optimization (49-XX) 7 Functional analysis (46-XX) 3 Algebraic topology (55-XX) 3 Fluid mechanics (76-XX) 3 Systems theory; control (93-XX) 2 Convex and discrete geometry (52-XX) 2 Operations research, mathematical programming (90-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 141 Publications have been cited 925 times in 519 Documents Cited by ▼ Year ▼ The role of matrices that are convergent to zero in the study of semilinear operator systems. Zbl 1165.65336 Precup, Radu 78 2009 Methods in nonlinear integral equations. Zbl 1060.65136 Precup, Radu 67 2002 Theorems of Leray-Schauder type and applications. Zbl 1045.47002 O’Regan, Donal; Precup, Radu 50 2001 Fixed point theorems for set-valued maps and existence principles for integral inclusions. Zbl 0956.47026 O’Regan, Donal; Precup, Radu 40 2000 A vector version of Krasnosel’skiĭ’s fixed point theorem in cones and positive periodic solutions of nonlinear systems. Zbl 1134.47041 Precup, Radu 30 2007 Existence criteria for integral equations in Banach spaces. Zbl 0993.45011 O’Regan, Donal; Precup, Radu 29 2001 Existence results for systems with coupled nonlocal initial conditions. Zbl 1288.34019 Bolojan-Nica, Octavia; Infante, Gennaro; Precup, Radu 29 2014 On the nonlocal initial value problem for first order differential equations. Zbl 1050.34001 Boucherif, Abdelkader; Precup, Radu 26 2003 Seminlinear evolution equations with nonlocal initial conditions. Zbl 1154.34027 Boucherif, Abdelkader; Precup, Radu 23 2007 Existence, localization and multiplicity results for positive radial solutions of semilinear elliptic systems. Zbl 1178.35162 Precup, Radu 22 2009 On the topological transversality principle. Zbl 0780.47048 Precup, Radu 18 1993 Linear and semilinear partial differential equations. An introduction. Zbl 1263.35001 Precup, Radu 15 2013 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 15 2015 Nash-type equilibria and periodic solutions to nonvariational systems. Zbl 1300.47108 Precup, Radu 15 2014 On the nonlocal initial value problem for first order differential systems. Zbl 1274.34041 Nica, Octavia; Precup, Radu 15 2011 Compression-expansion fixed point theorem in two norms and applications. Zbl 1078.47017 O’Regan, Donal; Precup, Radu 13 2005 Existence results for systems of nonlinear evolution equations. Zbl 1172.35438 Precup, Radu; Viorel, Adrian 13 2008 Moser-Harnack inequality, Krasnoselskii type fixed point theorems in cones and elliptic problems. Zbl 1282.35176 Precup, Radu 13 2012 A unified existence theory for evolution equations and systems under nonlocal conditions. Zbl 1331.34149 Cardinali, Tiziana; Precup, Radu; Rubbioni, Paola 12 2015 Positive solutions for discontinuous problems with applications to \(\phi \)-Laplacian equations. Zbl 1454.34031 Precup, Radu; Rodríguez-López, Jorge 12 2018 Data dependence of fixed points for non-self generalized contractions. Zbl 1226.47056 Chis-Novac, Adela; Precup, Radu; Rus, Ioan A. 12 2009 Continuation theory for general contractions in gauge spaces. Zbl 1087.47050 Chiş, Adela; Precup, Radu 11 2004 Solvability of \(p, q\)-Laplacian systems with potential boundary conditions. Zbl 1189.34040 Jebelean, Petru; Precup, Radu 11 2010 Multiplicity results for operator systems via fixed point index. Zbl 1407.34036 Precup, Radu; Rodríguez-López, Jorge 10 2019 Existence, localization and multiplicity of positive solutions to \(\phi\)-Laplace equations and systems. Zbl 1357.34056 Herlea, Diana-Raluca; Precup, Radu 10 2016 A four-point boundary value problem with singular \(\phi \)-Laplacian. Zbl 1418.34049 Chinní, Antonia; Di Bella, Beatrice; Jebelean, Petru; Precup, Radu 9 2019 Positive periodic solutions for Lotka-Volterra systems with a general attack rate. Zbl 1433.34066 Lois-Prados, Cristina; Precup, Radu 9 2020 On some fixed point theorems of Deimling. Zbl 0856.47034 Precup, Radu 8 1994 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 8 2009 Generalized topological transversality and existence theorems. Zbl 0745.54018 Precup, Radu 7 1991 Existence principles for inclusions of Hammerstein type involving noncompact acyclic multivalued maps. Zbl 0991.47050 Couchouron, Jean-François; Precup, Radu 7 2002 Multiple positive solutions of non-local initial value problems for first order differential systems. Zbl 1245.34026 Precup, Radu; Trif, Damian 7 2012 Multiple positive solutions to a fourth-order boundary-value problem. Zbl 1357.34054 Cabada, Alberto; Precup, Radu; Saavedra, Lorena; Tersian, Stepan A. 7 2016 Critical point theorems in cones and multiple positive solutions of elliptic problems. Zbl 1257.47070 Precup, Radu 7 2012 Fixed point theorems for decomposable multi-valued maps and applications. Zbl 1057.54032 Precup, R. 7 2003 Abstract weak Harnack inequality, multiple fixed points and \(p\)-Laplace equations. Zbl 1277.47070 Precup, Radu 7 2012 On a bounded critical point theorem of Schechter. Zbl 1299.47143 Precup, Radu 7 2013 Discrete continuation method for boundary value problems on bounded sets in Banach spaces. Zbl 0939.34021 Precup, Radu 6 2000 Vectorial approach to coupled nonlinear Schrödinger systems under nonlocal Cauchy conditions. Zbl 1338.35403 Bunoiu, Renata; Precup, Radu 6 2016 A hypothetical-mathematical model of acute myeloid leukaemia pathogenesis. Zbl 1202.92035 Cucuianu, Andrei; Precup, Radu 6 2010 Positive solutions of semi-linear elliptic problems via Krasnoselskii type theorems in cones and Harnack’s inequality. Zbl 1366.35040 Precup, Radu 6 2006 The Leray-Schauder boundary condition in critical point theory. Zbl 1186.58012 Precup, Radu 6 2009 A vector version of the fixed point theorem of cone compression and expansion for a sum of two operators. Zbl 1504.47082 Benzenati, Lyna; Mebarki, Karima; Precup, Radu 6 2020 Energy-based localization and multiplicity of radially symmetric states for the stationary \(p\)-Laplace diffusion. Zbl 1441.35110 Precup, Radu; Pucci, Patrizia; Varga, Csaba 6 2020 Implicit first order differential systems with nonlocal conditions. Zbl 1324.34020 Bolojan, Octavia; Precup, Radu 6 2014 Continuation theory for contractions on spaces with two vector-valued metrics. Zbl 1034.54017 O’Regan, Donal; Precup, Radu 5 2003 Existence results for systems of nonlinear evolution inclusions. Zbl 1207.35202 Precup, Radu; Viorel, Adrian 5 2010 Symmetric positive solutions to a singular \(\phi\)-laplace equation. Zbl 1421.34022 Jebelean, Petru; Precup, Radu 5 2019 Heterogeneous vectorial fixed point theorems. Zbl 1453.47006 Cardinali, Tiziana; Precup, Radu; Rubbioni, Paola 5 2017 Harnack type inequalities and multiple solutions in cones of nonlinear problems. Zbl 1444.47065 Herlea, Diana-Raluca; O’Regan, Donal; Precup, Radu 5 2020 Fixed point index theory for decomposable multivalued maps and applications to discontinuous \(\phi\)-Laplacian problems. Zbl 1520.47096 Precup, Radu; Rodríguez-López, Jorge 5 2020 Monotone technique to the initial values problem for a delay integral equation from biomathematics. Zbl 0865.47051 Precup, Radu 4 1995 Homotopy method for positive solutions of \(p\)-Laplace inclusions. Zbl 1168.35445 Couchouron, Jean-François; Precup, Radu 4 2007 Positive solutions for \(\phi\)-Laplace equations with discontinuous state-dependent forcing terms. Zbl 1420.34050 Precup, Radu; Rodríguez-López, Jorge 4 2019 Nonnegative solutions of nonlinear integral equations in ordered Banach spaces. Zbl 1054.45009 Horvat-Marc, Andrei; Precup, Radu 4 2004 A critical point theorem in bounded convex sets and localization of Nash-type equilibria of nonvariational systems. Zbl 1388.58008 Precup, Radu 4 2018 Perov type results in gauge spaces and their applications to integral systems on semi-axis. Zbl 1349.54122 Novac, Adela; Precup, Radu 4 2014 Some existence results for differential equations with both retarded and advanced arguments. Zbl 1084.34542 Precup, Radu 4 2002 Non-resonance and existence for systems of non-linear operator equations. Zbl 1160.47049 Muzsi, Dezideriu; Precup, Radu 4 2008 Two positive solutions of some singular boundary value problems. Zbl 1206.34045 Precup, Radu 4 2010 Critical point localization theorems via Ekeland’s variational principle. Zbl 1524.47126 Precup, Radu 4 2013 Multiple periodic solutions with prescribed minimal period to second-order Hamiltonian systems. Zbl 1305.34062 Precup, Radu 4 2014 Positive solutions of the initial value problem for an integral equation modeling infectious disease. Zbl 0762.45003 Precup, Radu 3 1991 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 3 2003 On the Palais-Smale condition for Hammerstein integral equations in Hilbert spaces. Zbl 1042.47530 Precup, Radu 3 2001 Lectures on partial differential equations. (Lecţii de ecuaţii cu derivate parţiale.) Zbl 1052.35001 Precup, Radu 3 2004 Discrete continuation method for nonlinear integral equations in Banach spaces. Zbl 0980.45007 Precup, Radu 3 2000 Abstract generalized quasilinearization method for coincidences. Zbl 1020.65031 Buică, Adriana; Precup, Radu 3 2002 Integrable solutions of Hammerstein integral inclusions in Banach spaces. Zbl 1022.45007 O’Regan, Donal; Precup, Radu 3 2002 Variational properties of the solutions of singular second-order differential equations and systems. Zbl 1368.34033 Budescu, Angela; Precup, Radu 3 2016 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 3 2011 Existence results for systems with nonlinear coupled nonlocal initial conditions. Zbl 1389.34068 Bolojan, Octavia; Infante, Gennaro; Precup, Radu 3 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 3 2016 Localization and multiplicity in the homogenization of nonlinear problems. Zbl 1421.35015 Bunoiu, Renata; Precup, Radu 3 2020 Two positive nontrivial solutions for a class of semilinear elliptic variational systems. Zbl 1200.35095 Precup, Radu 3 2011 Poincaré inequalities in reflexive cones. Zbl 1216.46032 Jebelean, Petru; Precup, Radu 3 2011 Positive solutions of nonlinear systems with \(p\)-Laplacian on finite and semi-infinite intervals. Zbl 1135.34014 O’Regan, Donal; Precup, Radu 3 2007 A three critical points result in a bounded domain of a Banach space and applications. Zbl 1413.47153 Precup, Radu; Pucci, Patrizia; Varga, Csaba 3 2017 Some fixed point theorems in terms of two measures of noncompactness. Zbl 1389.47141 Precup, Radu; Rus, Ioan A. 3 2014 Asymptotic stability for a model of cell dynamics after allogeneic bone marrow transplantation. Zbl 1335.37060 Precup, R.; Şerban, M-A.; Trif, D. 3 2013 Existence theorems for nonlinear problems by continuation methods. Zbl 0906.47041 Precup, Radu 3 1997 On some applications of the controllability principle for fixed point equations. Zbl 07483467 Precup, Radu 3 2022 Stationary solutions of Fokker-Planck equations with nonlinear reaction terms in bounded domains. Zbl 1492.35118 Precup, Radu; Rubbioni, Paola 3 2022 Fixed point-critical point hybrid theorems and application to systems with partial variational structure. Zbl 07419644 Benedetti, Irene; Cardinali, Tiziana; Precup, Radu 3 2021 A Granas type approach to some continuation theorems and periodic boundary value problems with impulses. Zbl 0847.34028 Precup, Radu 2 1995 Positive solutions of evolution operator equations. Zbl 1078.47059 Precup, Radu 2 2005 Anti-periodic solutions for second order differential inclusions. Zbl 1073.45514 Couchouron, Jean-Francois; Precup, Radu 2 2004 A compression type mountain pass theorem in conical shells. Zbl 1151.58007 Precup, Radu 2 2008 Domain invariance theorems for contractive type maps. Zbl 1148.47041 Agarwal, Ravi P.; O’Regan, Donal; Precup, Radu 2 2007 Nonlinear boundary value problems for infinite systems of second-order functional differential equations. Zbl 0704.34022 Precup, Radu 2 1988 Existence theory for nonlinear operator equations of Hammerstein type in Banach spaces. Zbl 1086.47034 O’Regan, Donal; Precup, Radu 2 2005 Boundary value problems arising in the percolation of water from a cylindrical reservoir into the surrounding soil. Zbl 1091.34009 Agarwal, Ravi P.; O’Regan, Donal; Precup, Radu 2 2005 Compression-expansion fixed point theorems in two norms. Zbl 1424.47126 Precup, Radu 2 2005 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 2 2003 A fixed point theorem of Maia type in syntopogenous spaces. Zbl 0686.54029 Precup, Radu 2 1988 Two numerical methods for solving a nonlinear system of integral equations of mixed Volterra-Fredholm type arising from a control problem related to leukemia. Zbl 07920398 Parajdi, Lorand Gabriel; Pătrulescu, Flavius; Precup, Radu; Haplea, Ioan Ştefan 2 2023 Localization of positive critical points in Banach spaces and applications. Zbl 1378.58011 Precup, Radu; Varga, Csaba 2 2017 Mathematical modeling of cell dynamics after allogeneic bone marrow transplantation. Zbl 1297.92043 Precup, Radu; Arghirescu, Smaranda; Cucuianu, Andrei; Şerban, Margit 2 2012 A variational analogue of Krasnoselskii’s cone fixed point theory. Zbl 1441.47090 Precup, Radu 2 2019 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 2 2010 Theory and computation of radial solutions for Neumann problems with \(\phi\)-Laplacian. Zbl 1534.35187 Precup, Radu; Gheorghiu, Călin-Ioan 1 2024 Two numerical methods for solving a nonlinear system of integral equations of mixed Volterra-Fredholm type arising from a control problem related to leukemia. Zbl 07920398 Parajdi, Lorand Gabriel; Pătrulescu, Flavius; Precup, Radu; Haplea, Ioan Ştefan 2 2023 Nonlinear alternatives of hybrid type for nonself vector-valued maps and application. Zbl 07819953 Ilea, Veronica; Novac, Adela; Otrocol, Diana; Precup, Radu 1 2023 Positive radial solutions for Dirichlet problems via a Harnack-type inequality. Zbl 1529.35270 Precup, Radu; Rodríguez-López, Jorge 1 2023 Dinkelbach type approximation algorithms for nonlinear fractional optimization problems. Zbl 1522.90212 Orzan, Alexandru; Precup, Radu 1 2023 Analysis of Navier-Stokes models for flows in bidisperse porous media. Zbl 1514.35319 Kohr, Mirela; Precup, Radu 1 2023 On some applications of the controllability principle for fixed point equations. Zbl 07483467 Precup, Radu 3 2022 Stationary solutions of Fokker-Planck equations with nonlinear reaction terms in bounded domains. Zbl 1492.35118 Precup, Radu; Rubbioni, Paola 3 2022 Iterates of multidimensional approximation operators via Perov theorem. Zbl 1538.41041 Agratini, Octavian; Precup, Radu 1 2022 Semilinear problems with poly-Laplace type operators. Zbl 1538.35155 Precup, Radu 1 2022 Fixed point-critical point hybrid theorems and application to systems with partial variational structure. Zbl 07419644 Benedetti, Irene; Cardinali, Tiziana; Precup, Radu 3 2021 Componentwise localization of critical points for functionals defined on product spaces. Zbl 1486.49034 Precup, Radu 1 2021 Positive solutions for second-order differential equations of Kirchhoff type on the half-line. Zbl 1488.34169 Boulaiki, Habiba; Moussaoui, Toufik; Precup, Radu 1 2021 Positive periodic solutions for Lotka-Volterra systems with a general attack rate. Zbl 1433.34066 Lois-Prados, Cristina; Precup, Radu 9 2020 A vector version of the fixed point theorem of cone compression and expansion for a sum of two operators. Zbl 1504.47082 Benzenati, Lyna; Mebarki, Karima; Precup, Radu 6 2020 Energy-based localization and multiplicity of radially symmetric states for the stationary \(p\)-Laplace diffusion. Zbl 1441.35110 Precup, Radu; Pucci, Patrizia; Varga, Csaba 6 2020 Harnack type inequalities and multiple solutions in cones of nonlinear problems. Zbl 1444.47065 Herlea, Diana-Raluca; O’Regan, Donal; Precup, Radu 5 2020 Fixed point index theory for decomposable multivalued maps and applications to discontinuous \(\phi\)-Laplacian problems. Zbl 1520.47096 Precup, Radu; Rodríguez-López, Jorge 5 2020 Localization and multiplicity in the homogenization of nonlinear problems. Zbl 1421.35015 Bunoiu, Renata; Precup, Radu 3 2020 Implicit elliptic equations via Krasnoselskii-Schaefer type theorems. Zbl 1474.35308 Precup, Radu 1 2020 Integrodifferential evolution systems with nonlocal initial conditions. Zbl 1513.34280 Koumla, Sylvain; Precup, Radu 1 2020 Multiplicity results for operator systems via fixed point index. Zbl 1407.34036 Precup, Radu; Rodríguez-López, Jorge 10 2019 A four-point boundary value problem with singular \(\phi \)-Laplacian. Zbl 1418.34049 Chinní, Antonia; Di Bella, Beatrice; Jebelean, Petru; Precup, Radu 9 2019 Symmetric positive solutions to a singular \(\phi\)-laplace equation. Zbl 1421.34022 Jebelean, Petru; Precup, Radu 5 2019 Positive solutions for \(\phi\)-Laplace equations with discontinuous state-dependent forcing terms. Zbl 1420.34050 Precup, Radu; Rodríguez-López, Jorge 4 2019 A variational analogue of Krasnoselskii’s cone fixed point theory. Zbl 1441.47090 Precup, Radu 2 2019 Existence results for some neutral functional integrodifferential equations with bounded delay. Zbl 1441.45008 Koumla, Sylvain; Precup, Radu; Sene, Abdou 1 2019 Positive solutions for discontinuous problems with applications to \(\phi \)-Laplacian equations. Zbl 1454.34031 Precup, Radu; Rodríguez-López, Jorge 12 2018 A critical point theorem in bounded convex sets and localization of Nash-type equilibria of nonvariational systems. Zbl 1388.58008 Precup, Radu 4 2018 Analysis of a planar differential system arising from hematology. Zbl 1438.34160 Parajdi, Lorand Gabriel; Precup, Radu 1 2018 Two abstract approaches in vectorial fixed point theory. Zbl 1496.47083 Cardinali, Tiziana; Precup, Radu; Rubbioni, Paola 1 2018 Ordinary differential equations. Example-driven, including Maple code. Zbl 1398.34002 Precup, Radu 1 2018 Heterogeneous vectorial fixed point theorems. Zbl 1453.47006 Cardinali, Tiziana; Precup, Radu; Rubbioni, Paola 5 2017 A three critical points result in a bounded domain of a Banach space and applications. Zbl 1413.47153 Precup, Radu; Pucci, Patrizia; Varga, Csaba 3 2017 Localization of positive critical points in Banach spaces and applications. Zbl 1378.58011 Precup, Radu; Varga, Csaba 2 2017 Existence, localization and multiplicity of positive solutions to \(\phi\)-Laplace equations and systems. Zbl 1357.34056 Herlea, Diana-Raluca; Precup, Radu 10 2016 Multiple positive solutions to a fourth-order boundary-value problem. Zbl 1357.34054 Cabada, Alberto; Precup, Radu; Saavedra, Lorena; Tersian, Stepan A. 7 2016 Vectorial approach to coupled nonlinear Schrödinger systems under nonlocal Cauchy conditions. Zbl 1338.35403 Bunoiu, Renata; Precup, Radu 6 2016 Variational properties of the solutions of singular second-order differential equations and systems. Zbl 1368.34033 Budescu, Angela; Precup, Radu 3 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 3 2016 Abstract method of upper and lower solutions and application to singular boundary value problems. Zbl 1399.47176 Precup, Radu 1 2016 Variational properties of the solutions of semilinear equations under nonresonance conditions. Zbl 1354.34111 Budescu, Angela; Precup, Radu 1 2016 Nash-type equilibria for systems of Szulkin functionals. Zbl 1440.47049 Precup, Radu 1 2016 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 15 2015 A unified existence theory for evolution equations and systems under nonlocal conditions. Zbl 1331.34149 Cardinali, Tiziana; Precup, Radu; Rubbioni, Paola 12 2015 Existence results for systems with nonlinear coupled nonlocal initial conditions. Zbl 1389.34068 Bolojan, Octavia; Infante, Gennaro; Precup, Radu 3 2015 Existence results for systems with coupled nonlocal initial conditions. Zbl 1288.34019 Bolojan-Nica, Octavia; Infante, Gennaro; Precup, Radu 29 2014 Nash-type equilibria and periodic solutions to nonvariational systems. Zbl 1300.47108 Precup, Radu 15 2014 Implicit first order differential systems with nonlocal conditions. Zbl 1324.34020 Bolojan, Octavia; Precup, Radu 6 2014 Perov type results in gauge spaces and their applications to integral systems on semi-axis. Zbl 1349.54122 Novac, Adela; Precup, Radu 4 2014 Multiple periodic solutions with prescribed minimal period to second-order Hamiltonian systems. Zbl 1305.34062 Precup, Radu 4 2014 Some fixed point theorems in terms of two measures of noncompactness. Zbl 1389.47141 Precup, Radu; Rus, Ioan A. 3 2014 On the continuation method and the nonlinear alternative for Caristi-type non-self-mappings. Zbl 1317.54019 Precup, Radu 2 2014 Linear and semilinear partial differential equations. An introduction. Zbl 1263.35001 Precup, Radu 15 2013 On a bounded critical point theorem of Schechter. Zbl 1299.47143 Precup, Radu 7 2013 Critical point localization theorems via Ekeland’s variational principle. Zbl 1524.47126 Precup, Radu 4 2013 Asymptotic stability for a model of cell dynamics after allogeneic bone marrow transplantation. Zbl 1335.37060 Precup, R.; Şerban, M-A.; Trif, D. 3 2013 Moser-Harnack inequality, Krasnoselskii type fixed point theorems in cones and elliptic problems. Zbl 1282.35176 Precup, Radu 13 2012 Multiple positive solutions of non-local initial value problems for first order differential systems. Zbl 1245.34026 Precup, Radu; Trif, Damian 7 2012 Critical point theorems in cones and multiple positive solutions of elliptic problems. Zbl 1257.47070 Precup, Radu 7 2012 Abstract weak Harnack inequality, multiple fixed points and \(p\)-Laplace equations. Zbl 1277.47070 Precup, Radu 7 2012 Mathematical modeling of cell dynamics after allogeneic bone marrow transplantation. Zbl 1297.92043 Precup, Radu; Arghirescu, Smaranda; Cucuianu, Andrei; Şerban, Margit 2 2012 A planning algorithm for correction therapies after allogeneic stem cell transplantation. Zbl 1402.92254 Precup, Radu; Şerban, Marcel-Adrian; Trif, Damian; Cucuianu, Andrei 2 2012 Mathematical understanding of the autologous stem cell transplantation. Zbl 1313.92027 Precup, Radu 1 2012 On the nonlocal initial value problem for first order differential systems. Zbl 1274.34041 Nica, Octavia; Precup, Radu 15 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 3 2011 Two positive nontrivial solutions for a class of semilinear elliptic variational systems. Zbl 1200.35095 Precup, Radu 3 2011 Poincaré inequalities in reflexive cones. Zbl 1216.46032 Jebelean, Petru; Precup, Radu 3 2011 Nonlinear Schrödinger equations via fixed point principles. Zbl 1264.35225 Manole, Mihaela; Precup, Radu 1 2011 Solvability of \(p, q\)-Laplacian systems with potential boundary conditions. Zbl 1189.34040 Jebelean, Petru; Precup, Radu 11 2010 A hypothetical-mathematical model of acute myeloid leukaemia pathogenesis. Zbl 1202.92035 Cucuianu, Andrei; Precup, Radu 6 2010 Existence results for systems of nonlinear evolution inclusions. Zbl 1207.35202 Precup, Radu; Viorel, Adrian 5 2010 Two positive solutions of some singular boundary value problems. Zbl 1206.34045 Precup, Radu 4 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 2 2010 The role of matrices that are convergent to zero in the study of semilinear operator systems. Zbl 1165.65336 Precup, Radu 78 2009 Existence, localization and multiplicity results for positive radial solutions of semilinear elliptic systems. Zbl 1178.35162 Precup, Radu 22 2009 Data dependence of fixed points for non-self generalized contractions. Zbl 1226.47056 Chis-Novac, Adela; Precup, Radu; Rus, Ioan A. 12 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 8 2009 The Leray-Schauder boundary condition in critical point theory. Zbl 1186.58012 Precup, Radu 6 2009 Existence of solutions for second-order differential equations and systems on infinite intervals. Zbl 1179.34029 Moussaoui, Toufik; Precup, Radu 1 2009 Existence results for semilinear elliptic boundary value problems via topological methods. Zbl 1163.35382 Moussaoui, Toufik; Precup, Radu 1 2009 Existence results for systems of nonlinear evolution equations. Zbl 1172.35438 Precup, Radu; Viorel, Adrian 13 2008 Non-resonance and existence for systems of non-linear operator equations. Zbl 1160.47049 Muzsi, Dezideriu; Precup, Radu 4 2008 A compression type mountain pass theorem in conical shells. Zbl 1151.58007 Precup, Radu 2 2008 Nonresonance theory for semilinear operator equations under regularity conditions. Zbl 1169.47053 Muzsi, Dezideriu; Precup, Radu 1 2008 Positive solutions for elliptic boundary value problems with a Harnack-like property. Zbl 1165.47059 Moussaoui, Toufik; Precup, Radu 1 2008 A vector version of Krasnosel’skiĭ’s fixed point theorem in cones and positive periodic solutions of nonlinear systems. Zbl 1134.47041 Precup, Radu 30 2007 Seminlinear evolution equations with nonlocal initial conditions. Zbl 1154.34027 Boucherif, Abdelkader; Precup, Radu 23 2007 Homotopy method for positive solutions of \(p\)-Laplace inclusions. Zbl 1168.35445 Couchouron, Jean-François; Precup, Radu 4 2007 Positive solutions of nonlinear systems with \(p\)-Laplacian on finite and semi-infinite intervals. Zbl 1135.34014 O’Regan, Donal; Precup, Radu 3 2007 Domain invariance theorems for contractive type maps. Zbl 1148.47041 Agarwal, Ravi P.; O’Regan, Donal; Precup, Radu 2 2007 Positive solutions of semi-linear elliptic problems via Krasnoselskii type theorems in cones and Harnack’s inequality. Zbl 1366.35040 Precup, Radu 6 2006 The nonlinear heat equation via fixed point principles. Zbl 1170.35462 Precup, Radu 1 2006 Compression-expansion fixed point theorem in two norms and applications. Zbl 1078.47017 O’Regan, Donal; Precup, Radu 13 2005 Positive solutions of evolution operator equations. Zbl 1078.47059 Precup, Radu 2 2005 Existence theory for nonlinear operator equations of Hammerstein type in Banach spaces. Zbl 1086.47034 O’Regan, Donal; Precup, Radu 2 2005 Boundary value problems arising in the percolation of water from a cylindrical reservoir into the surrounding soil. Zbl 1091.34009 Agarwal, Ravi P.; O’Regan, Donal; Precup, Radu 2 2005 Compression-expansion fixed point theorems in two norms. Zbl 1424.47126 Precup, Radu 2 2005 Continuation theory for general contractions in gauge spaces. Zbl 1087.47050 Chiş, Adela; Precup, Radu 11 2004 Nonnegative solutions of nonlinear integral equations in ordered Banach spaces. Zbl 1054.45009 Horvat-Marc, Andrei; Precup, Radu 4 2004 ...and 41 more Documents all cited Publications top 5 cited Publications all top 5 Cited by 599 Authors 64 Precup, Radu 53 O’Regan, Donal 17 Agarwal, Ravi P. 14 Petruşel, Adrian 13 Ouahab, Abdelghani 12 Infante, Gennaro 12 Nieto Roig, Juan Jose 12 Rodríguez-López, Jorge 11 Rus, Ioan A. 10 Şerban, Marcel Adrian 10 Wang, Jinrong 8 Lan, Kunquan 7 Galewski, Marek 7 Jebelean, Petru 7 Rakočević, Vladimir 7 Vijayakumar, Velusamy 6 Ahmad, Bashir 6 Cardinali, Tiziana 6 Ntouyas, Sotiris K. 6 Pietramala, Paolamaria 6 Rubbioni, Paola 6 Samet, Bessem 6 Udhayakumar, Ramalingam 5 Abbas, Mujahid 5 Djebali, Smail 5 Henderson, Johnny Lee 5 Moussaoui, Toufik 5 Rodríguez-López, Rosana 5 Varga, Csaba György 5 Yang, Zhilin 5 Yuan, George Xianzhi 4 Bełdziński, Michał 4 Benchohra, Mouffak 4 Blouhi, Tayeb 4 Cui, Yujun 4 Cvetković, Marija S. 4 Fečkan, Michal 4 Filip, Alexandru-Darius 4 Graef, John R. 4 Jleli, Mohamed Boussairi 4 Kavitha, Krishnan 4 Li, Yongxiang 4 Lupulescu, Vasile 4 Parajdi, Lorand Gabriel 4 Petruşel, Gabriela 4 Pietkun, Radosław 4 Pötzsche, Christian 4 Tisdell, Christopher C. 4 Zhou, Yong 3 Abbas, Said 3 Ali, Muhammad Usman 3 Ashyralyev, Allaberen 3 Benedetti, Irene 3 Bunoiu, Renata 3 Cianciaruso, Filomena 3 Diz-Pita, Érika 3 El-Sayed, Ahmed Mohamed Ahmed 3 Feng, Meiqiang 3 Gupta, Animesh 3 Haplea, Ioan Ştefan 3 Hosseinzadeh, Hasan 3 Ilea, Veronica Ana 3 Jiménez-Melado, Antonio 3 Kamran, Tayyab 3 Li, Zhi 3 Llibre, Jaume 3 Mishra, Lakshmi Narayan 3 Nazir, Talat 3 Otero-Espinar, Maria Victoria 3 Otrocol, Diana 3 Ravichandran, Chokkalingam 3 Rezapour, Shahram 3 Samreen, Maria 3 Satco, Bianca-Renata 3 Sooppy Nisar, Kottakkaran 3 Tikare, Sanket A. 3 Vetro, Calogero 3 Xu, Jiafa 3 Xu, Liping 3 Zhang, Yuruo 3 Zikria, Nosheen 2 Abdeljawad, Thabet 2 Ahmed, Hamdy M. 2 Al-saedi, Ahmed Eid Salem 2 Ardjouni, Abdelouaheb 2 Ariza-Ruiz, David 2 Aydi, Hassen Mohamed 2 Băleanu, Dumitru I. 2 Baliki, Abdessalam 2 Benmezaï, Abdelhamid 2 Benyoub, Mohammed 2 Berinde, Vasile 2 Bonab, Samira Hadi 2 Boucherif, Abdelkader 2 Budescu, Angela 2 Buică, Adriana 2 Caraballo Garrido, Tomás 2 Choudhury, Binayak Samadder 2 de la Sen, Manuel 2 Dobritoiu, Maria A. ...and 499 more Authors all top 5 Cited in 175 Serials 27 Journal of Mathematical Analysis and Applications 24 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 19 Journal of Fixed Point Theory and Applications 17 Applied Mathematics Letters 17 Fixed Point Theory and Applications 14 Applied Mathematics and Computation 12 Applicable Analysis 12 Boundary Value Problems 11 Fixed Point Theory 10 Mathematical Methods in the Applied Sciences 9 Journal of Inequalities and Applications 9 Mediterranean Journal of Mathematics 9 Advances in Difference Equations 8 Mathematical and Computer Modelling 7 Journal of Applied Mathematics and Computing 6 Computers & Mathematics with Applications 6 Results in Mathematics 6 Topological Methods in Nonlinear Analysis 6 Nonlinear Analysis. Real World Applications 6 Nonlinear Analysis. Modelling and Control 5 Fuzzy Sets and Systems 5 Numerical Functional Analysis and Optimization 5 Turkish Journal of Mathematics 5 Filomat 5 Positivity 5 Qualitative Theory of Dynamical Systems 5 Journal of Nonlinear Science and Applications 5 Journal of Applied Analysis and Computation 5 Journal of Function Spaces 4 Journal of Differential Equations 4 Zeitschrift für Analysis und ihre Anwendungen 4 Journal of Integral Equations and Applications 4 Abstract and Applied Analysis 4 Communications in Nonlinear Science and Numerical Simulation 4 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM 4 Fractional Differential Calculus 4 AIMS Mathematics 4 Fixed Point Theory and Algorithms for Sciences and Engineering 3 Rocky Mountain Journal of Mathematics 3 Ukrainian Mathematical Journal 3 Journal of Computational and Applied Mathematics 3 Journal of Optimization Theory and Applications 3 Mathematische Nachrichten 3 Stochastic Analysis and Applications 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 Analysis and Applications (Singapore) 3 Complex Variables and Elliptic Equations 3 Asian-European Journal of Mathematics 3 Nonlinear Analysis. Theory, Methods & Applications 2 Chaos, Solitons and Fractals 2 Annales Polonici Mathematici 2 Demonstratio Mathematica 2 Journal of the London Mathematical Society. Second Series 2 Proceedings of the American Mathematical Society 2 Quaestiones Mathematicae 2 Rendiconti del Circolo Matemàtico di Palermo. Serie II 2 Ricerche di Matematica 2 Numerical Methods for Partial Differential Equations 2 Bulletin des Sciences Mathématiques 2 Opuscula Mathematica 2 Mathematica Moravica 2 Analysis (München) 2 Journal of Dynamical and Control Systems 2 Annales Mathematicae Silesianae 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 Advanced Nonlinear Studies 2 Communications on Pure and Applied Analysis 2 Central European Journal of Mathematics 2 Analele Universității de Vest din Timișoara. Seria Matematică-Informatică 2 Set-Valued and Variational Analysis 2 Afrika Matematika 2 Journal of Theoretical Biology 2 Electronic Journal of Mathematical Analysis and Applications EJMAA 2 International Journal of Analysis and Applications 2 Sahand Communications in Mathematical Analysis 1 Bulletin of the Australian Mathematical Society 1 Journal of Mathematical Biology 1 Lithuanian Mathematical Journal 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 Applied Mathematics and Optimization 1 Archivum Mathematicum 1 Fasciculi Mathematici 1 Glasgow Mathematical Journal 1 Journal of Soviet Mathematics 1 Mathematics and Computers in Simulation 1 Monatshefte für Mathematik 1 Proceedings of the Edinburgh Mathematical Society. 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Serie VII 1 Operations Research Letters ...and 75 more Serials all top 5 Cited in 41 Fields 276 Operator theory (47-XX) 229 Ordinary differential equations (34-XX) 95 Partial differential equations (35-XX) 89 General topology (54-XX) 68 Integral equations (45-XX) 35 Real functions (26-XX) 31 Numerical analysis (65-XX) 26 Biology and other natural sciences (92-XX) 25 Systems theory; control (93-XX) 24 Calculus of variations and optimal control; optimization (49-XX) 24 Global analysis, analysis on manifolds (58-XX) 17 Dynamical systems and ergodic theory (37-XX) 14 Functional analysis (46-XX) 14 Algebraic topology (55-XX) 13 Probability theory and stochastic processes (60-XX) 9 Difference and functional equations (39-XX) 5 Linear and multilinear algebra; matrix theory (15-XX) 5 Harmonic analysis on Euclidean spaces (42-XX) 5 Fluid mechanics (76-XX) 5 Operations research, mathematical programming (90-XX) 4 Approximations and expansions (41-XX) 4 Convex and discrete geometry (52-XX) 4 Mechanics of deformable solids (74-XX) 3 Mathematical logic and foundations (03-XX) 3 Measure and integration (28-XX) 3 Computer science (68-XX) 3 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 2 Several complex variables and analytic spaces (32-XX) 2 Special functions (33-XX) 2 Optics, electromagnetic theory (78-XX) 2 Quantum theory (81-XX) 1 General and overarching topics; collections (00-XX) 1 History and biography (01-XX) 1 Algebraic geometry (14-XX) 1 Category theory; homological algebra (18-XX) 1 Abstract harmonic analysis (43-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 Wikidata Timeline The data are displayed as stored in Wikidata under a Creative Commons CC0 License. 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