Sobieszek, Wieslaw; Kowalski, Pawel On the different definitions of the lower semicontinuity, upper semicontinuity, upper semicompacity, closity and continuity of the point- to-set maps. (English) Zbl 0408.54001 Demonstr. Math. 11, 1053-1063 (1978). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 ReviewCited in 4 Documents MSC: 54C08 Weak and generalized continuity 54C60 Set-valued maps in general topology Keywords:different definitions; lower semicontinuity; upper semicontinuity; closity; continuity; set-valued maps × Cite Format Result Cite Review PDF Full Text: DOI OA License