NONLINEAR FUNCTIONAL ANALYSIS AND APPLICATIONS TO DIFFERENTIAL EQUATIONS - II
Introduction to Calculus of Variations and Morse Theory. Critical Point Theory for Gradient Mappings: Mountain Pass theorem, linking Theorems, Saddle Point theorem, Dual formulation etc.
Books
- Rabinowitz, minimax methods in critical point theory with applications to differential equations. C. B. M. S. No. 65, 1986.
- Ghoussoub, N., Duality and perturbation methods in critical point theory, Cambridge Univ. Press, 1993.
- Struwe, M., Variational methods and their applications to nonlinear partial differential equations and Hamiltonian Systems, Springer-Verlag, 1990.