Original Articles

Separating sets by upper semicontinuous quasi-continuous functions

Published in: Quaestiones Mathematicae
Volume 38 , issue 3, pages: 341–348

DOI: 10.2989/16073606.2014.981724

Author(s): Paulina SzczukaKazimierz Wielki University, Poland,

Keywords: Primary 26A21, 54C30, Secondary 26A15, 54C08, Primary 26A21, 54C30, Secondary 26A15, 54C08,

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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.

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Original Articles

Separating sets by upper semicontinuous quasi-continuous functions

Abstract

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