Separating sets by upper semicontinuous quasi-continuous functions

DOI10.2989/16073606.2014.981724zbMath1499.54080OpenAlexW829386470MaRDI QIDQ2968670

Paulina Szczuka

Publication date: 20 March 2017

Published in: Quaestiones Mathematicae (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.2989/16073606.2014.981724

zbMATH Keywords

quasi-continuous functionupper semicontinuous functionseparating setsUrysohn lemma

Mathematics Subject Classification ID

Weak and generalized continuity (54C08) Continuity and related questions (modulus of continuity, semicontinuity, discontinuities, etc.) for real functions in one variable (26A15) Real-valued functions in general topology (54C30) Classification of real functions; Baire classification of sets and functions (26A21)

Related Items (3)

Generalizations of Urysohn's lemma for some subclasses of Darboux functions ⋮ Separating sets by lower and upper semicontinuous functions with a closed graph ⋮ Separating sets by functions with a closed graph

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