On the multiplicity of critical points for parameterized functionals on reflexive Banach spaces
Volume 213 / 2012
                    
                    
                        Studia Mathematica 213 (2012), 49-60                    
                                        
                        MSC: 47J30, 58E05, 35J92, 35J20, 35J25.                    
                                        
                        DOI: 10.4064/sm213-1-4                    
                                    
                                                Abstract
Some general multiplicity results for critical points of parameterized functionals on reflexive Banach spaces are established. In particular, one of them improves some aspects of a recent result by B. Ricceri. Applications to boundary value problems are also given.
 
             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                         
                                                            