Original Articles

Separating sets by upper semicontinuous quasi-continuous functions

DOI: 10.2989/16073606.2014.981724
Author(s): Paulina Szczuka Kazimierz Wielki University, Poland,

Abstract

In this paper we characterize the pairs (A0, A1) and (A, A+) of disjoint sets which can be separated by an upper semicontinuous quasi-continuous function.

Get new issue alerts for Quaestiones Mathematicae