Topologie und nichtlineare Funktionalanalysis. (Russian) Zbl 0437.47039
MSC:
47H09 | Contraction-type mappings, nonexpansive mappings, \(A\)-proper mappings, etc. |
47H10 | Fixed-point theorems |
47J05 | Equations involving nonlinear operators (general) |
58B15 | Fredholm structures on infinite-dimensional manifolds |