Abstract
We give various relations between lower (upper) semi-continuous functions and cliquish functions in a generalized topological space. Also, we answer the open problems raised by Korczak-Kubiak et al. in [5].
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Renukadevi, V., Vadakasi, S. On lower and upper semi-continuous functions. Acta Math. Hungar. 160, 1–12 (2020). https://doi.org/10.1007/s10474-019-01013-5
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DOI: https://doi.org/10.1007/s10474-019-01013-5
Key words and phrases
- nowhere dense
- strongly nowhere dense
- Baire space
- lower (upper) semi-continuous function
- cliquish function