• Note on δ –semiopen sets
Abstract
We characterize preopen sets via δ – semiopen sets. Also, we characterize spaces which are s– closed, semiconnected, semi – T2, s – Urysohn, s – regular, semi – regular, s –normal and semi – normal by δ – semiopen sets.
Keywords
δ – semiopen, δ – open, semiopen, preopen, b – open and β – open sets, δ – semiclosure and δ – semiinterior, s – closed, semiconnected, semi – T2, s – Urysohn, s – regular, semi – regular, s – normal and semi – normal spaces.
Full Text:
PDFThis work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
© 2010-2024 International Journal of Mathematical Archive (IJMA) Copyright Agreement & Authorship Responsibility |