Critical Point Theory and Hamiltonian Systems

1 The Direct Method of the Calculus of Variations.- 2 The Fenchel Transform and Duality.- 3 Minimization of the Dual Action.- 4 Minimax Theorems for Indefinite Functional.- 5 A Borsuk-Ulam Theorem and Index Theories.- 6 Lusternik-Schnirelman Theory and Multiple Periodic Solutions with Fixed Energy.- 7 Morse-Ekeland Index and Multiple Periodic Solutions with Fixed Period.- 8 Morse Theory.- 9 Applications of Morse Theory to Second Order Systems.- 10 Nondegenerate Critical Manifolds.