upper semi-continuous (suomeksi)

Määritelmät:

(lb, en, of a real-valued function on a topological space) Such that, for each fixed number, the subspace of points whose images are at least that number is closed.
(lb, en, of a real-valued function on a topological space) Such that for each fixed point ''x'' there is some neighborhood whose image's limit superior is ''x'''s image.