Edit Profile Ekeland, Ivar Compute Distance To: Compute Author ID: ekeland.ivar Published as: Ekeland, I.; Ekeland, Ivar Homepage: https://www.ceremade.dauphine.fr/~ekeland/ External Links: MGP · Math-Net.Ru · Wikidata · ORCID · ResearchGate · dblp · GND Documents Indexed: 180 Publications since 1968, including 26 Books Biographic References: 1 Publication all top 5 Co-Authors 75 single-authored 11 Chiappori, Pierre-André 10 Hofer, Helmut H. W. 9 Aubin, Jean-Pierre 7 D’Onofrio, Biancamaria 6 Carlier, Guillaume 6 Touzi, Nizar 5 Ambrosetti, Antonio 5 Clarke, Francis H. 5 Lasry, Jean-Michel 5 Scheinkman, José Alexandre 4 Carmona, René A. 4 Cinlar, Erhan 4 Coti Zelati, Vittorio 4 Dell’Antonio, Gian Fausto 4 Jouini, Elyès 4 Temam, Roger Meyer 3 Galichon, Alfred 3 Ghoussoub, Nassif A. 2 Bensoussan, Alain 2 Brézis, Haïm 2 Henry, Marc 2 Lassoued, Leila 2 Lebourg, Gerard 2 Nirenberg, Louis 2 Pirvu, Traian A. 2 Polemarchakis, Herakles M. 2 Schachermayer, Walter 2 Séré, Eric 2 Taflin, Erik 1 Alasseur, Clemence 1 Aloqeili, Marwan 1 Asheim, Geir B. 1 Attouch, Hedy 1 Bates, Peter W. 1 Berestycki, Henri 1 Bouchard, Bruno 1 Browning, Martin J. 1 Chang, Kung-Ching 1 Coron, Jean-Michel 1 Courty, Pascal 1 Djitté, Ngalla 1 Elie, Romuald 1 Guesnerie, Roger 1 Hernández-Santibáñez, Nicolás 1 Kubler, Felix 1 Kübler, Florian 1 Lautier, Delphine 1 Lazrak, Ali 1 Lions, Pierre-Louis 1 Long, Yiming 1 Mathlouthi, Salem 1 Mbodji, Oumar 1 Morel, Jean-Michel 1 Moreno-Bromberg, Santiago 1 Possamaï, Dylan 1 Queyranne, Maurice 1 Rabinowitz, Paul Henry 1 Tehrani, T. 1 Turnbull, Thomas 1 Valadier, Michel 1 Villeneuve, Bertrand 1 Yip, Cheuk Wai 1 Zehnder, Eduard J. 1 Zhou, Qinglong all top 5 Serials 18 Comptes Rendus Hebdomadaires des Séances de l’Académie des Sciences, Série A 11 Comptes Rendus de l’Académie des Sciences. Série I 9 Economic Theory 5 Journal of Differential Equations 5 Journal of Mathematical Economics 5 Annales de l’Institut Henri Poincaré. Analyse Non Linéaire 4 Lecture Notes in Mathematics 3 Mathematics and Financial Economics 2 Communications on Pure and Applied Mathematics 2 Journal of Mathematical Analysis and Applications 2 Annali della Scuola Normale Superiore di Pisa. Classe di Scienze. Serie IV 2 Econometrica 2 Journal of Economic Theory 2 Mathematics of Operations Research 2 Mathematische Zeitschrift 2 SIAM Journal on Control and Optimization 2 Bulletin of the American Mathematical Society. New Series 2 Milan Journal of Mathematics 1 Archive for Rational Mechanics and Analysis 1 Communications in Mathematical Physics 1 Jahresbericht der Deutschen Mathematiker-Vereinigung (DMV) 1 The Mathematical Intelligencer 1 Bulletin de la Société Mathématique de France 1 Canadian Mathematical Bulletin 1 Gazette des Mathématiciens 1 Publications Mathématiques 1 Inventiones Mathematicae 1 Journal of Differential Geometry 1 Journal of Functional Analysis 1 Mathematische Annalen 1 Mathematica Scandinavica 1 Numerische Mathematik 1 Proceedings of the American Mathematical Society 1 Rendiconti dell’Istituto di Matematica dell’Università di Trieste 1 Ricerche di Matematica 1 Topology 1 Transactions of the American Mathematical Society 1 The Annals of Applied Probability 1 Journal of Global Optimization 1 Atti della Accademia Nazionale dei Lincei. Serie Ottava. Rendiconti. Classe di Scienze Fisiche, Matematiche e Naturali 1 Journal de Mathématiques Pures et Appliquées. Neuvième Série 1 Proceedings of the Royal Society of Edinburgh. Section A. Mathematics 1 Methods and Applications of Analysis 1 Discrete and Continuous Dynamical Systems 1 Finance and Stochastics 1 Mathematical Finance 1 European Series in Applied and Industrial Mathematics (ESAIM): Control, Optimization and Calculus of Variations 1 Vietnam Journal of Mathematics 1 Journal of Mathematical Fluid Mechanics 1 Annals of Mathematics. Second Series 1 Regular and Chaotic Dynamics 1 Nonlinear Analysis. Real World Applications 1 Decisions in Economics and Finance 1 European Series in Applied and Industrial Mathematics (ESAIM): Mathematical Modelling and Numerical Analysis 1 Bulletin de la Société Mathématique de France. Supplément. Mémoires 1 Classics in Applied Mathematics 1 Ergebnisse der Mathematik und ihrer Grenzgebiete. 3. Folge 1 NATO ASI Series. Series C. Mathematical and Physical Sciences 1 Foundations and Trends in Microeconomics 1 SIAM Journal on Financial Mathematics 1 Matapli 1 Statistics & Risk Modeling 1 Nonlinear Analysis. Theory, Methods & Applications 1 Progress in Nonlinear Differential Equations and Their Applications all top 5 Fields 63 Calculus of variations and optimal control; optimization (49-XX) 59 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 41 Dynamical systems and ergodic theory (37-XX) 35 Global analysis, analysis on manifolds (58-XX) 29 Mechanics of particles and systems (70-XX) 27 Operations research, mathematical programming (90-XX) 24 Ordinary differential equations (34-XX) 17 General and overarching topics; collections (00-XX) 16 Functional analysis (46-XX) 14 Partial differential equations (35-XX) 10 Probability theory and stochastic processes (60-XX) 8 Operator theory (47-XX) 8 Systems theory; control (93-XX) 7 History and biography (01-XX) 6 Differential geometry (53-XX) 4 Numerical analysis (65-XX) 2 Combinatorics (05-XX) 2 Convex and discrete geometry (52-XX) 2 General topology (54-XX) 2 Statistics (62-XX) 1 Linear and multilinear algebra; matrix theory (15-XX) 1 Real functions (26-XX) 1 Integral transforms, operational calculus (44-XX) 1 Manifolds and cell complexes (57-XX) 1 Mechanics of deformable solids (74-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH 135 Publications have been cited 6,316 times in 5,180 Documents Cited by ▼ Year ▼ Convex analysis and variational problems. Translated by Minerva Translations, Ltd., London. Zbl 0322.90046Ekeland, Ivar; Temam, Roger 1,001 1976 Applied nonlinear analysis. Zbl 0641.47066Aubin, Jean-Pierre; Ekeland, Ivar 890 1984 On the variational principle. Zbl 0286.49015Ekeland, I. 874 1974 Nonconvex minimization problems. Zbl 0441.49011Ekeland, Ivar 448 1979 Convex analysis and variational problems. Zbl 0281.49001Ekeland, Ivar; Temam, Roger 412 1974 Convex analysis and variational problems. Unabridged, corrected republication of the 1976 English original. Zbl 0939.49002Ekeland, Ivar; Témam, Roger 409 1999 Convexity methods in Hamiltonian mechanics. Zbl 0707.70003Ekeland, Ivar 288 1990 A variational approach to homoclinic orbits in Hamiltonian systems. Zbl 0731.34050Coti Zelati, Vittorio; Ekeland, Ivar; Séré, Eric 172 1990 Selected new aspects of the calculus of variations in the large. Zbl 1064.35054Ekeland, Ivar; Ghoussoub, Nassif 89 2002 Sur les problèmes variationnels. Zbl 0249.49004Ekeland, Ivar 85 1972 On the number of periodic trajectories for a Hamiltonian flow on a convex energy surface. Zbl 0449.70014Ekeland, Ivar; Lasry, Jean-Michel 78 1980 Hamiltonian trajectories having prescribed minimal period. Zbl 0403.70016Clarke, F. H.; Ekeland, I. 78 1980 Investment and consumption without commitment. Zbl 1177.91123Ekeland, Ivar; Pirvu, Traian A. 76 2008 Convex Hamiltonian energy surfaces and their periodic trajectories. Zbl 0641.58038Ekeland, I.; Hofer, H. 62 1987 Generic Frechet-differentiability and perturbed optimization problems in Banach spaces. Zbl 0313.46017Ekeland, Ivar; Lebourg, Gerard 61 1977 Symplectic topology and Hamiltonian dynamics. Zbl 0641.53035Ekeland, I.; Hofer, H. 59 1989 Periodic solutions with prescribed minimal period for convex autonomous Hamiltonian systems. Zbl 0594.58035Ekeland, I.; Hofer, H. 52 1985 Time-consistent portfolio management. Zbl 1257.91040Ekeland, Ivar; Mbodji, Oumar; Pirvu, Traian A. 50 2012 Une théorie de Morse pour les systèmes hamiltoniens convexes. Zbl 0537.58018Ekeland, Ivar 47 1984 Infinite-dimensional optimization and convexity. Zbl 0565.49003Ekeland, Ivar; Turnbull, Thomas 44 1983 Un principe variationnel associe à certaines équations paraboliques. Le cas independant du temps. Zbl 0332.49032Brézis, Haïm; Ekeland, Ivar 43 1976 Convex analysis and variational problems. Translated from the English by V. M. Tikhomirov. Zbl 0546.90057Ekeland, Ivar; Temam, Roger 41 1979 Applied nonlinear analysis. Reprint of the 1984 original. Zbl 1115.47049Aubin, Jean-Pierre; Ekeland, Ivar 39 2006 Symmetry breaking in Hamiltonian systems. Zbl 0606.58043Ambrosetti, A.; Coti Zelati, V.; Ekeland, I. 39 1987 Nonlinear oscillations and boundary value problems for Hamiltonian systems. Zbl 0514.34032Clarke, Frank H.; Ekeland, I. 39 1982 Periodic solutions of Hamiltonian equations and a theorem of P. Rabinowitz. Zbl 0446.70019Ekeland, Ivar 38 1979 Symplectic topology and Hamiltonian dynamics. II. Zbl 0729.53039Ekeland, Ivar; Hofer, Helmut 35 1990 Un principle variationnel associe à certaines équations paraboliques. Le cas dependant du temps. Zbl 0334.35040Brézis, Haïm; Ekeland, Ivar 34 1976 The golden rule when preferences are time inconsistent. Zbl 1255.91249Ekeland, Ivar; Lazrak, Ali 32 2010 Subharmonics for convex nonautonomous Hamiltonian systems. Zbl 0601.58035Ekeland, I.; Hofer, H. 29 1987 Comonotonic measures of multivariate risks. Zbl 1278.91085Ekeland, Ivar; Galichon, Alfred; Henry, Marc 28 2012 On the Malliavin approach to Monte Carlo approximation of conditional expectations. Zbl 1051.60061Bouchard, Bruno; Ekeland, Ivar; Touzi, Nizar 26 2004 An index theory for periodic solutions of convex Hamiltonian systems. Zbl 0596.34023Ekeland, I. 26 1986 Matching for teams. Zbl 1183.91112Carlier, G.; Ekeland, I. 24 2010 A theory of bond portfolios. Zbl 1125.91051Ekeland, Ivar; Taflin, Erik 24 2005 Discontinuites de champs hamiltoniens et existence de solutions optimales en calcul des variations. Zbl 0447.49015Ekeland, Ivar 24 1977 Estimates of the duality gap in nonconvex optimization. Zbl 0366.90102Aubin, J. P.; Ekeland, I. 23 1976 Existence, uniqueness and efficiency of equilibrium in hedonic markets with multidimensional types. Zbl 1203.91153Ekeland, Ivar 20 2010 Sur le contrôle optimal de systèmes gouvernés par des équations élliptiques. (On optimal control of systems gouverned by elliptic equations.). Zbl 0227.49001Ekeland, I. 19 1972 Transversality conditions for some infinite horizon discrete time optimization problems. Zbl 0593.49021Ekeland, Ivar; Scheinkman, José Alexandre 18 1986 Legendre duality in nonconvex optimization and calculus of variations. Zbl 0377.90089Ekeland, Ivar 18 1977 The identification of preferences from equilibrium prices under uncertainty. Zbl 1127.91367Kübler, F.; Chiappori, P.-A.; Ekeland, I.; Polemarchakis, H. M. 16 2002 Aggregation and market demand: an exterior differential calculus viewpoint. Zbl 1055.91533Chiappori, P. A.; Ekeland, I. 15 1999 Les systèmes hamiltoniens convexes et pairs ne sont pas ergodiques en général. (Convex symmetric Hamiltonian systems are not generally ergodic). Zbl 0768.70014Dell’Antonio, Gianfausto; D’Onofrio, Biancamaria; Ekeland, Ivar 15 1992 An inverse function theorem in Fréchet spaces. Zbl 1256.47037Ekeland, Ivar 14 2011 An optimal matching problem. Zbl 1106.49054Ekeland, Ivar 14 2005 The Hopf-Rinow theorem in infinite dimension. Zbl 0393.58004Ekeland, Ivar 14 1978 The micro economics of group behavior: General characterization. Zbl 1141.91584Chiappori, P. A.; Ekeland, I. 13 2006 The microeconomics of efficient group behavior: Identification\(^{1}\). Zbl 1182.91065Chiappori, P.-A.; Ekeland, I. 12 2009 Testable implications of general equilibrium theory: A differentiable approach. Zbl 1059.91059Chiappori, P.-A.; Ekeland, I.; Kübler, F.; Polemarchakis, H. M. 12 2004 Multiple solutions for a classical problem in the calculus of variations. Zbl 0872.49001Ekeland, I.; Ghoussoub, N.; Tehrani, T. 12 1996 Law invariant risk measures on \(L^\infty(\mathbb R^d)\). Zbl 1232.91345Ekeland, Ivar; Schachermayer, Walter 11 2011 An algorithm for computing solutions of variational problems with global convexity constraints. Zbl 1188.65086Ekeland, Ivar; Moreno-Bromberg, Santiago 11 2010 Optimal derivatives design for mean-variance agents under adverse selection. Zbl 1173.91379Carlier, Guillaume; Ekeland, Ivar; Touzi, Nizar 11 2007 Representation of set-valued mappings. Zbl 0246.54018Ekeland, I.; Valadier, M. 11 1971 A perturbation theory near convex Hamiltonian systems. Zbl 0476.34035Ekeland, I. 10 1983 Two symplectic fixed-point theorems with applications to Hamiltonian dynamics. Zbl 0709.58017Ekeland, I.; Hofer, H. 9 1989 The housing problem and revealed preference theory: duality and an application. Zbl 1285.91072Ekeland, Ivar; Galichon, Alfred 8 2013 Disaggregation of excess demand functions in incomplete markets. Zbl 0958.91016Chiappori, Pierre-André; Ekeland, Ivar 8 1999 Some variational problems arising from mathematical economics. Zbl 0659.90028Ekeland, Ivar 8 1988 Index estimates and critical points of functionals not satisfying Palais- Smale. Zbl 0725.58019Coti Zelati, Vittorio; Ekeland, Ivar; Lions, Pierre-Louis 7 1990 Duality in non convex variational problems. Zbl 0541.58022Ekeland, I.; Lasry, J. M. 7 1983 Individual excess demands. Zbl 1059.91056Chiappori, P. A.; Ekeland, I. 6 2004 Multiplicité des trajectoires fermées de systèmes hamiltoniens connexes. (Multiplicity of closed trajectories of convex Hamiltonian systems). Zbl 0633.58034Ekeland, I.; Lassoued, L. 6 1987 Remarques sur les problèmes variationnels. Zbl 0259.49027Ekeland, Ivar 6 1973 Resource conservation across generations in a Ramsey-Chichilnisky model. Zbl 1367.91123Asheim, Geir B.; Ekeland, Ivar 5 2016 Notes on optimal transportation. Zbl 1185.90019Ekeland, Ivar 5 2010 The economics and mathematics of aggregation: formal models of efficient group behavior. Zbl 1192.91004Chiappori, P. A.; Ekeland, Ivar 5 2009 The best of all possible worlds. Mathematics and destiny. Transl. from the 2000 French original. Zbl 1133.01002Ekeland, Ivar 5 2006 A convex Darboux theorem. Zbl 1082.58501Ekeland, Ivar; Nirenberg, Louis 5 2002 Problèmes variationnels non convexes en dualité. Zbl 0448.90063Ekeland, Ivar; Lasry, Jean-Michel 5 1980 Sur le nombre de points critiques de fonctions invariantes par des groupes. Zbl 0343.46035Ekeland, Ivar; Lasry, Jean-Michel 5 1976 Topologie différentielle et théorie des jeux. Zbl 0311.58003Ekeland, Ivar 5 1974 A new class of problems in the calculus of variations. Zbl 1286.49025Ekeland, Ivar; Long, Yiming; Zhou, Qinglong 4 2013 From Frank Ramsey to René Thom: a classical problem in the calculus of variations leading to an implicit differential equation. Zbl 1202.91087Ekeland, Ivar 4 2010 Equilibrium structure of a bidimensional asymmetric city. Zbl 1136.91023Carlier, G.; Ekeland, I. 4 2007 The structure of cities. Zbl 1073.91061Carlier, G.; Ekeland, I. 4 2004 A saddle-point theorem. Zbl 0599.34039Bates, Peter W.; Ekeland, Ivar 4 1980 Second-order evolution equations associated with convex Hamiltonians. Zbl 0429.35042Aubin, J. P.; Ekeland, I. 4 1980 Relaxation de problèmes de contrôle pour des systèmes decrits par des équations aux dérivées partielles. Zbl 0199.48505Ekeland, Ivar 4 1970 Formes équivalentes d’un problème relaxe. Zbl 0198.48802Ekeland, Ivar 4 1970 Paramètrisation en théorie de la commande. Zbl 0157.16003Ekeland, I. 4 1968 Optimal transportation and the falsifiability of incompletely specified economic models. Zbl 1183.91137Ekeland, Ivar; Galichon, Alfred; Henry, Marc 3 2010 The chaos. Zbl 1329.37001Ekeland, Ivar 3 2006 \(\mathbb{Z}_2\)-equivariant Ljusternik-Schnirelman theory for non-even functionals. Zbl 0907.58006Ekeland, I.; Ghoussoub, N. 3 1998 The \(\epsilon\)-variational principle revisited. Zbl 0721.49025Ekeland, I. 3 1990 Perturbation results for a class of singular Hamiltonian systems. Zbl 0742.58047Ambrosetti, Antonio; Ekeland, Ivar 3 1989 Dual variational methods in non-convex optimization and differential equations. Zbl 0544.49010Ekeland, I. 3 1983 Oscillations de systèmes Hamiltoniens non linéaires. III. Zbl 0514.70025Ekeland, Ivar 3 1981 Éléments d’economie mathématique. Zbl 0417.90002Ekeland, Ivar 3 1979 Minimisation de critères intégraux. Zbl 0321.49007Aubin, Jean-Pierre; Ekeland, Ivar 3 1975 Sur certains problèmes de contrôle optimal. Zbl 0246.49008Ekeland, Ivar 3 1969 Response to Rogalski. Zbl 1209.91013Ekeland, Ivar 2 2010 Paris-Princeton lectures on mathematical finance 2003. Zbl 1047.91002Carmona, R. A. (ed.); Çinlar, E. (ed.); Ekeland, I. (ed.); Jouini, E. (ed.); Scheinkman, J. A. (ed.); Touzi, N. (ed.) 2 2004 Some applications of the Cartan-Kähler theorem to economic theory. Zbl 1365.35184Ekeland, Ivar 2 2003 Two problems in economics. Zbl 1028.91014Ekeland, Ivar 2 2002 A convex Darboux theorem. Zbl 1004.58501Chiappori, Pierre-André; Ekeland, Ivar 2 1997 Aggregation problems in consumer theory and exterior differential calculus. Zbl 0864.90029Chiappori, Pierre-André; Ekeland, Ivar 2 1996 Periodic solutions of a class of Hamiltonian systems with singularities. Zbl 0708.34031Ambrosetti, Antonio; Ekeland, Ivar 2 1990 Hamiltonian systems with elliptic periodic orbits. Zbl 0687.58008D’Onoforio, Biancamaria; Ekeland, Ivar 2 1990 An adverse selection approach to power pricing. Zbl 1443.91193Alasseur, Clémence; Ekeland, Ivar; ÉLie, Romuald; Hernández Santibáñez, Nicolás; Possamaï, Dylan 1 2020 Hedging pressure and speculation in commodity markets. Zbl 1422.91690Ekeland, Ivar; Lautier, Delphine; Villeneuve, Bertrand 1 2019 On the Euler-Lagrange equation in calculus of variations. Zbl 1388.49001Ekeland, Ivar 1 2018 Resource conservation across generations in a Ramsey-Chichilnisky model. Zbl 1367.91123Asheim, Geir B.; Ekeland, Ivar 5 2016 Optimal pits and optimal transportation. Zbl 1357.37091Ekeland, Ivar; Queyranne, Maurice 1 2015 Optimal transport and the geometry of \(L^{1}(\mathbb{R}^{d})\). Zbl 1314.46019Ekeland, Ivar; Schachermayer, Walter 1 2014 The housing problem and revealed preference theory: duality and an application. Zbl 1285.91072Ekeland, Ivar; Galichon, Alfred 8 2013 A new class of problems in the calculus of variations. Zbl 1286.49025Ekeland, Ivar; Long, Yiming; Zhou, Qinglong 4 2013 Time-consistent portfolio management. Zbl 1257.91040Ekeland, Ivar; Mbodji, Oumar; Pirvu, Traian A. 50 2012 Comonotonic measures of multivariate risks. Zbl 1278.91085Ekeland, Ivar; Galichon, Alfred; Henry, Marc 28 2012 An inverse function theorem in Fréchet spaces. Zbl 1256.47037Ekeland, Ivar 14 2011 Law invariant risk measures on \(L^\infty(\mathbb R^d)\). Zbl 1232.91345Ekeland, Ivar; Schachermayer, Walter 11 2011 The golden rule when preferences are time inconsistent. Zbl 1255.91249Ekeland, Ivar; Lazrak, Ali 32 2010 Matching for teams. Zbl 1183.91112Carlier, G.; Ekeland, I. 24 2010 Existence, uniqueness and efficiency of equilibrium in hedonic markets with multidimensional types. Zbl 1203.91153Ekeland, Ivar 20 2010 An algorithm for computing solutions of variational problems with global convexity constraints. Zbl 1188.65086Ekeland, Ivar; Moreno-Bromberg, Santiago 11 2010 Notes on optimal transportation. Zbl 1185.90019Ekeland, Ivar 5 2010 From Frank Ramsey to René Thom: a classical problem in the calculus of variations leading to an implicit differential equation. Zbl 1202.91087Ekeland, Ivar 4 2010 Optimal transportation and the falsifiability of incompletely specified economic models. Zbl 1183.91137Ekeland, Ivar; Galichon, Alfred; Henry, Marc 3 2010 Response to Rogalski. Zbl 1209.91013Ekeland, Ivar 2 2010 The microeconomics of efficient group behavior: Identification\(^{1}\). Zbl 1182.91065Chiappori, P.-A.; Ekeland, I. 12 2009 The economics and mathematics of aggregation: formal models of efficient group behavior. Zbl 1192.91004Chiappori, P. A.; Ekeland, Ivar 5 2009 Investment and consumption without commitment. Zbl 1177.91123Ekeland, Ivar; Pirvu, Traian A. 76 2008 Optimal derivatives design for mean-variance agents under adverse selection. Zbl 1173.91379Carlier, Guillaume; Ekeland, Ivar; Touzi, Nizar 11 2007 Equilibrium structure of a bidimensional asymmetric city. Zbl 1136.91023Carlier, G.; Ekeland, I. 4 2007 Optimal bond portfolios. Zbl 1151.91506Ekeland, Ivar; Taflin, Erik 1 2007 Paris-Princeton lectures on mathematical finance 2004. Zbl 1121.91003Carmona, René A. (ed.); Çinlar, Erhan (ed.); Ekeland, Ivar (ed.); Jouini, Elyes (ed.); Scheinkman, José A. (ed.); Touzi, Nizar (ed.) 1 2007 Applied nonlinear analysis. Reprint of the 1984 original. Zbl 1115.47049Aubin, Jean-Pierre; Ekeland, Ivar 39 2006 The micro economics of group behavior: General characterization. Zbl 1141.91584Chiappori, P. A.; Ekeland, I. 13 2006 The best of all possible worlds. Mathematics and destiny. Transl. from the 2000 French original. Zbl 1133.01002Ekeland, Ivar 5 2006 The chaos. Zbl 1329.37001Ekeland, Ivar 3 2006 A duality theory for some non-convex functions of matrices. Zbl 1220.15012Ekeland, Ivar 1 2006 An inverse problem in the economic theory of demand. Zbl 1121.91061Ekeland, Ivar; Djitté, Ngalla 1 2006 A theory of bond portfolios. Zbl 1125.91051Ekeland, Ivar; Taflin, Erik 24 2005 An optimal matching problem. Zbl 1106.49054Ekeland, Ivar 14 2005 Regularity in an unusual variational problem. Zbl 1113.49041Ekeland, Ivar; Nirenberg, Louis 1 2005 On the Malliavin approach to Monte Carlo approximation of conditional expectations. Zbl 1051.60061Bouchard, Bruno; Ekeland, Ivar; Touzi, Nizar 26 2004 Testable implications of general equilibrium theory: A differentiable approach. Zbl 1059.91059Chiappori, P.-A.; Ekeland, I.; Kübler, F.; Polemarchakis, H. M. 12 2004 Individual excess demands. Zbl 1059.91056Chiappori, P. A.; Ekeland, I. 6 2004 The structure of cities. Zbl 1073.91061Carlier, G.; Ekeland, I. 4 2004 Paris-Princeton lectures on mathematical finance 2003. Zbl 1047.91002Carmona, R. A. (ed.); Çinlar, E. (ed.); Ekeland, I. (ed.); Jouini, E. (ed.); Scheinkman, J. A. (ed.); Touzi, N. (ed.) 2 2004 Some applications of the Cartan-Kähler theorem to economic theory. Zbl 1365.35184Ekeland, Ivar 2 2003 Selected new aspects of the calculus of variations in the large. Zbl 1064.35054Ekeland, Ivar; Ghoussoub, Nassif 89 2002 The identification of preferences from equilibrium prices under uncertainty. Zbl 1127.91367Kübler, F.; Chiappori, P.-A.; Ekeland, I.; Polemarchakis, H. M. 16 2002 A convex Darboux theorem. Zbl 1082.58501Ekeland, Ivar; Nirenberg, Louis 5 2002 Two problems in economics. Zbl 1028.91014Ekeland, Ivar 2 2002 Convex analysis and variational problems. Unabridged, corrected republication of the 1976 English original. Zbl 0939.49002Ekeland, Ivar; Témam, Roger 409 1999 Aggregation and market demand: an exterior differential calculus viewpoint. Zbl 1055.91533Chiappori, P. A.; Ekeland, I. 15 1999 Disaggregation of excess demand functions in incomplete markets. Zbl 0958.91016Chiappori, Pierre-André; Ekeland, Ivar 8 1999 \(\mathbb{Z}_2\)-equivariant Ljusternik-Schnirelman theory for non-even functionals. Zbl 0907.58006Ekeland, I.; Ghoussoub, N. 3 1998 Mathematical modeling in economy. Zbl 0935.91001Ekeland, Ivar 1 1998 A convex Darboux theorem. Zbl 1004.58501Chiappori, Pierre-André; Ekeland, Ivar 2 1997 Multiple solutions for a classical problem in the calculus of variations. Zbl 0872.49001Ekeland, I.; Ghoussoub, N.; Tehrani, T. 12 1996 Aggregation problems in consumer theory and exterior differential calculus. Zbl 0864.90029Chiappori, Pierre-André; Ekeland, Ivar 2 1996 Stability from index estimates for periodic solutions of Lagrangian systems. Zbl 0797.34045Dell’Antonio, Gianfausto; D’Onofrio, Biancamaria; Ekeland, Ivar 1 1994 The broken dice and other mathematical tales of chance. Translated from the French by Carol Volk. Zbl 0785.60002Ekeland, Ivar 1 1993 Les systèmes hamiltoniens convexes et pairs ne sont pas ergodiques en général. (Convex symmetric Hamiltonian systems are not generally ergodic). Zbl 0768.70014Dell’Antonio, Gianfausto; D’Onofrio, Biancamaria; Ekeland, Ivar 15 1992 Convexity methods in Hamiltonian mechanics. Zbl 0707.70003Ekeland, Ivar 288 1990 A variational approach to homoclinic orbits in Hamiltonian systems. Zbl 0731.34050Coti Zelati, Vittorio; Ekeland, Ivar; Séré, Eric 172 1990 Symplectic topology and Hamiltonian dynamics. II. Zbl 0729.53039Ekeland, Ivar; Hofer, Helmut 35 1990 Index estimates and critical points of functionals not satisfying Palais- Smale. Zbl 0725.58019Coti Zelati, Vittorio; Ekeland, Ivar; Lions, Pierre-Louis 7 1990 The \(\epsilon\)-variational principle revisited. Zbl 0721.49025Ekeland, I. 3 1990 Periodic solutions of a class of Hamiltonian systems with singularities. Zbl 0708.34031Ambrosetti, Antonio; Ekeland, Ivar 2 1990 Hamiltonian systems with elliptic periodic orbits. Zbl 0687.58008D’Onoforio, Biancamaria; Ekeland, Ivar 2 1990 Variational methods. Proceedings of a conference, Paris/France, June 1988. Zbl 0713.00009Berestycki, Henri (ed.); Coron, Jean-Michel (ed.); Ekeland, Ivar (ed.) 2 1990 Morse theory and existence of periodic solutions of elliptic type. Zbl 0724.58052D’Onofrio, B.; Ekeland, I. 1 1990 Solutions doublement asymptotiques de systèmes hamiltoniens convexes. (Homoclinic orbits of convex Hamiltonian systems). Zbl 0703.70020Coti Zelati, Vittorio; Ekeland, Ivar; Séré, Éric 1 1990 Symplectic topology and Hamiltonian dynamics. Zbl 0641.53035Ekeland, I.; Hofer, H. 59 1989 Two symplectic fixed-point theorems with applications to Hamiltonian dynamics. Zbl 0709.58017Ekeland, I.; Hofer, H. 9 1989 Perturbation results for a class of singular Hamiltonian systems. Zbl 0742.58047Ambrosetti, Antonio; Ekeland, Ivar 3 1989 The mountain pass theorem and some applications. Zbl 0705.58009Ekeland, Ivar 1 1989 Some variational problems arising from mathematical economics. Zbl 0659.90028Ekeland, Ivar 8 1988 Convex Hamiltonian energy surfaces and their periodic trajectories. Zbl 0641.58038Ekeland, I.; Hofer, H. 62 1987 Symmetry breaking in Hamiltonian systems. Zbl 0606.58043Ambrosetti, A.; Coti Zelati, V.; Ekeland, I. 39 1987 Subharmonics for convex nonautonomous Hamiltonian systems. Zbl 0601.58035Ekeland, I.; Hofer, H. 29 1987 Multiplicité des trajectoires fermées de systèmes hamiltoniens connexes. (Multiplicity of closed trajectories of convex Hamiltonian systems). Zbl 0633.58034Ekeland, I.; Lassoued, L. 6 1987 Periodic solutions of Hamiltonian systems and related topics. (Proceedings of the NATO Advanced Research Workshop on Periodic solutions of Hamiltonian Systems and Related Topics, Il Ciocco, Italy, October 13- 17, 1986). Zbl 0621.00013Rabinowitz, P. H. (ed.); Ambrosetti, A. (ed.); Ekeland, I. (ed.); Zehnder, E. J. (ed.) 2 1987 An index theory for periodic solutions of convex Hamiltonian systems. Zbl 0596.34023Ekeland, I. 26 1986 Transversality conditions for some infinite horizon discrete time optimization problems. Zbl 0593.49021Ekeland, Ivar; Scheinkman, José Alexandre 18 1986 Two results in convex analysis. Zbl 0589.49007Ekeland, I. 1 1986 Periodic solutions with prescribed minimal period for convex autonomous Hamiltonian systems. Zbl 0594.58035Ekeland, I.; Hofer, H. 52 1985 Un flot hamiltonien a au moins deux trajectoires fermées sur toute surface d’énergie convexe et bornée. (A Hamiltonian flow has at least two closed trajectories on each convex and bounded energy hypersurface). Zbl 0588.58013Ekeland, Ivar; Lassoued, Leila 2 1985 Applied nonlinear analysis. Zbl 0641.47066Aubin, Jean-Pierre; Ekeland, Ivar 890 1984 Une théorie de Morse pour les systèmes hamiltoniens convexes. Zbl 0537.58018Ekeland, Ivar 47 1984 Hypersurfaces pincées et systèmes hamiltoniens. (Pinched hypersurfaces and Hamiltonian systems). Zbl 0567.58008Ekeland, Ivar 2 1984 Infinite-dimensional optimization and convexity. Zbl 0565.49003Ekeland, Ivar; Turnbull, Thomas 44 1983 A perturbation theory near convex Hamiltonian systems. Zbl 0476.34035Ekeland, I. 10 1983 Duality in non convex variational problems. Zbl 0541.58022Ekeland, I.; Lasry, J. M. 7 1983 Dual variational methods in non-convex optimization and differential equations. Zbl 0544.49010Ekeland, I. 3 1983 Some lemmas about dynamical systems. Zbl 0515.58026Ekeland, I. 2 1983 Une théorie de Morse pour les systèmes hamiltoniens. (Morse theory for Hamiltonian systems). Zbl 0566.58014Ekeland, Ivar 1 1983 Nonlinear oscillations and boundary value problems for Hamiltonian systems. Zbl 0514.34032Clarke, Frank H.; Ekeland, I. 39 1982 Dualité et stabilité des systèmes hamiltoniens. Zbl 0491.70021Ekeland, Ivar 1 1982 Oscillations de systèmes Hamiltoniens non linéaires. III. Zbl 0514.70025Ekeland, Ivar 3 1981 Forced oscillations of nonlinear Hamiltonian systems. II. Zbl 0484.70023Ekeland, Ivar 1 1981 On the number of periodic trajectories for a Hamiltonian flow on a convex energy surface. Zbl 0449.70014Ekeland, Ivar; Lasry, Jean-Michel 78 1980 Hamiltonian trajectories having prescribed minimal period. Zbl 0403.70016Clarke, F. H.; Ekeland, I. 78 1980 Problèmes variationnels non convexes en dualité. Zbl 0448.90063Ekeland, Ivar; Lasry, Jean-Michel 5 1980 A saddle-point theorem. Zbl 0599.34039Bates, Peter W.; Ekeland, Ivar 4 1980 Second-order evolution equations associated with convex Hamiltonians. Zbl 0429.35042Aubin, J. P.; Ekeland, I. 4 1980 ...and 35 more Documents all cited Publications top 5 cited Publications all top 5 Cited by 4,908 Authors 45 Ekeland, Ivar 41 Ding, Xie Ping 33 Wu, Tsung-fang 32 Long, Yiming 29 Boţ, Radu Ioan 29 Tang, Xianhua 27 Huang, Nan-Jing 26 Yao, Jen-Chih 23 Papageorgiou, Nikolaos S. 23 Penot, Jean-Paul 23 Sun, Juntao 22 Liu, Chungen 22 Rădulescu, Vicenţiu D. 22 Zaslavski, Alexander Yakovlevich 21 Carlier, Guillaume 21 Galewski, Marek 21 Qiu, Jinghui 20 Borwein, Jonathan Michael 20 Ghoussoub, Nassif A. 17 Hsu, TsingSan 17 Wanka, Gert 16 Arutyunov, Aram Vladimirovic 16 Csetnek, Ernö Robert 16 Hofer, Helmut H. 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