k-semistratifiable spaces and expansions of set-valued mappings
oleh: Peng-Fei Yan, Xing-Yu Hu, Li-Hong Xie
| Format: | Article |
|---|---|
| Diterbitkan: | Universitat Politècnica de València 2018-04-01 |
Deskripsi
In this paper, the concept of k-upper semi-continuous set-valued mappings is introduced. Using this concept, we give characterizations of k-semistratifiable and k-MCM spaces, which answers a question posed by Xie and Yan.