k-semistratifiable spaces and expansions of set-valued mappings

Autor:	Peng-Fei Yan, Xing-Yu Hu, Li-Hong Xie
Jazyk:	angličtina
Rok vydání:	2018
Předmět:	locally bounded set-valued mappings k-MCM spaces k-semistratifiable spaces lower semi-continuous (l.s.c.) k-upper semi-continuous (k-u.s.c.) Mathematics QA1-939 Analysis QA299.6-433
Zdroj:	Applied General Topology, Vol 19, Iss 1, Pp 145-153 (2018)
Druh dokumentu:	article
ISSN:	1576-9402 1989-4147
DOI:	10.4995/agt.2018.7883
Popis:	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.
Databáze:	Directory of Open Access Journals
Externí odkaz:	https://doaj.org/article/cfa737352c274bf3b8bae6e1d17dca85 Zobrazit plný text záznamu View record in DOAJ Plný text ve formátu PDF