0 and e E X such that lIell > rand inf
An Introduction to Minimax Theorems and Their Applications to Differential Equations
Minimax Theorems and Qualitative Properties of the Solutions of Hemivariational Inequalities
Minimax and Applications
Minimax Systems and Critical Point Theory
Minimax Theory and Applications
Minimax and Monotonicity (Lecture Notes in Mathematics, 1693)
Topological Methods for Variational Problems with Symmetries
Sign-Changing Critical Point Theory
Topological and Variational Methods with Applications to Nonlinear Boundary Value Problems
Uniqueness Theorems for Variational Problems by the Method of Transformation Groups