!!Eduard Zehnder - Selected Publications \\ [[1] Eduard Zehnder, Generalized implicit function theorems with applications to some small divisor problems I, II.\\ Commmunications on Pure and Applied Mathematics 28 (1975), 91-140; 29 (1976), 49-111.\\ \\ [[2] Herbert Amann, Eduard Zehnder, Nontrivial solutions for a class of nonresonance problems and applications to nonlinear differential equations. \\ Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Série 4, Tome 7 (1980) no. 4, pp. 539--603.\\ \\ [[3] Charles Cameron Conley, Eduard Zehnder, The Birkhoff--Lewis fixed point theorem and a conjecture of V.I. Arnolʹd.\\ Inventiones Mathematicae 73 (1983), 33–49.\\ \\ [[4] Charles Cameron Conley, Eduard Zehnder, Morse-type index theory for flows and periodic solutions for Hamiltonian equations.\\ Commmunications on Pure and Applied Mathematics 37 (1984), 207–253.\\ \\ [[5] Helmut Hofer, Eduard Zehnder, Periodic solutions on hypersurfaces and a result by C. Viterbo.\\ Inventiones Mathematicae 90 (1987), 1-9.\\ \\ [[6]] Helmut Hofer, Eduard Zehnder, A new capacity for symplectic manifolds.\\ Analysis et cetera, Academic Press, 1990, pp 405-427.\\ \\ [[7] Dietmar Salamon, Eduard Zehnder, Morse theory for periodic solutions of Hamiltonian systems and the Maslov index.\\ Commmunications on Pure and Applied Mathematics 45 (1992), 1303-1360.\\ \\ [[8] Helmut Hofer, Kris Wysocki, Eduard Zehnder, The dynamics on three-dimensional strictly convex energy surfaces.\\ Annals of Mathematics 148 (1998), 197-289.\\ \\ [[9] Helmut Hofer, Kris Wysocki, Eduard Zehnder, Finite energy foliations of tight three-spheres and Hamiltonian dynamics.\\ Annals of Mathematics 157 (2003), 125-255.\\ \\ [[10] Frederic Bourgeois, Yasha Eliashberg, Helmut Hofer, Kris Wysocki, Eduard Zehnder, Compactness results in symplectic field theory.\\ Geometry and Topology 7 (2003), 789-888. \\ \\ __Books:__\\ \\ [[A] Helmut Hofer, Eduard Zehnder, Symplectic Invariants and Hamiltonian Dynamics.\\ Modern Birkhäuser Classics, Birkhäuser Verlag, Basel, 1994. Reprinted 2011.\\ \\ [[B] Jürgen Moser, Eduard Zehnder, Notes on Dynamical Systems.\\ Courant Lecture Notes in Mathematics 12, NYU, AMS, Providence RI, 2005.\\ \\ [[C] Eduard Zehnder, Lectures on Dynamical Systems. Hamiltonian Vector Fields and\\ Symplectic Capacities. EMS Textbooks in Mathematics, EMS, Zürich, 2010.