A characterization of monotone open retracts of a 2-cell. (English) Zbl 0348.54027
MSC:
| 54F15 | Continua and generalizations |
| 54F50 | Topological spaces of dimension \(\leq 1\); curves, dendrites |
| 54C10 | Special maps on topological spaces (open, closed, perfect, etc.) |
| 57Q05 | General topology of complexes |
| 54C15 | Retraction |
