×

zbMATH — the first resource for mathematics

An existence theorem of nontrivial solutions of semilinear equations in reflexive Banach spaces and its applications. (English) Zbl 1194.47071

MSC:
47H10 Fixed-point theorems
34C25 Periodic solutions to ordinary differential equations
58E05 Abstract critical point theory (Morse theory, Lyusternik-Shnirel’man theory, etc.) in infinite-dimensional spaces
70F05 Two-body problems
PDF BibTeX XML Cite