Eine Bemerkungen zur Theorie verdichtender Abbildungen. (German) Zbl 0438.47052
MSC:
47H09 | Contraction-type mappings, nonexpansive mappings, \(A\)-proper mappings, etc. |
47H10 | Fixed-point theorems |
55P05 | Homotopy extension properties, cofibrations in algebraic topology |