On (X, p)- spaces
I. Kovačević (1979)
Matematički Vesnik
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Displaying similar documents to “A note on inverse-preservations of regular open sets.”
On (X, p)- spaces
Almost contra-precontinuous functions.
Ekici, Erdal (2004)
Bulletin of the Malaysian Mathematical Sciences Society. Second Series
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On generalizations of regular-Lindelöf spaces.
Fawakhreh, Anwar Jabor, Kiliçman, Adem (2001)
International Journal of Mathematics and Mathematical Sciences
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Contra--continuous and almost contra--continuous.
Al-Omari, Ahmad, Noorani, Mohd Salmi Md (2007)
International Journal of Mathematics and Mathematical Sciences
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Almost -closed functions and separation axioms
O. Ravi, S. Ganesan, R. Latha (2012)
Mathematica Bohemica
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We introduce a new class of functions called almost -closed and use the functions to improve several preservation theorems of normality and regularity and also their generalizations. The main result of the paper is that normality and weak normality are preserved under almost -closed continuous surjections.
On Nearly Paracompact Spaces and Nearly Full Normality
M. N. Mukherjee, Atasi Debray (1998)
Matematički Vesnik
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Semiregular properties and generalized Lindelöf spaces.
Fawakhreh, A. J., Kılıçman, A. (2004)
Matematichki Vesnik
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On PSigma and Weakly PSigma Spaces
M. Khan, Takashi Noiri, B. Ahmad (1996)
Matematički Vesnik
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On Paracompactness and Almost Closed Mappings
Ilija Kovačević (1994)
Publications de l'Institut Mathématique
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