On a theorem of Popa and Noiri on multifunctions
On spaces whose nowhere dense subsets are scattered.
On -generalized closed sets.
Some Comments on Q-Irresolute and Quasi-Irresolute Functions
The aim of this paper is to continue the study of θ-irresolute and quasi-irresolute functions as well as to give an example of a function which is θ-irresolute but neither quasi-irresolute nor an R-map and thus give an answer to a question posed by Ganster, Noiri and Reilly. We prove that RS-compactness is preserved under open, quasi-irresolute surjections.
More on semi-Urysohn spaces.
Contra-semicontinuous functions.
On -closed spaces.
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