On regular δ-semi.open space
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DOI: 10.1080/09720502.2021.1885813
Abstract: Abstract It is shown that if a subset of a topological space (χ, τ) is δ-semi.closed, then it is semi.closed. By use this fact, we introduce the concept regularity of a topological space (χ, τ)… read more here.
Keywords: open space; space; semi; semi open ... See more keywords