On points of lower and upper quasi-continuity of multivalued maps
Janina Ewert (1987)
Mathematica Slovaca
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Displaying similar documents to “Quasi-continuous multivalued mappings”
On points of lower and upper quasi-continuity of multivalued maps
Irresolute multifunctions.
Popa, V. (1990)
International Journal of Mathematics and Mathematical Sciences
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Corrections to “Some generalizations of -spaces” and “A generalization of normal spaces”.
Nayar, Bhamini M.P. (1997)
Matematichki Vesnik
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Semi-precontinuous functions and properties of generalized semi-preclosed sets in topological spaces.
Navalagi, G.B. (2002)
International Journal of Mathematics and Mathematical Sciences
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Some Comments on Q-Irresolute and Quasi-Irresolute Functions
Dontchev, Julian, Ganster, Maximilian (1995)
Serdica Mathematical Journal
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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.
Semi-continuity and weak-continuity
Takashi Noiri (1981)
Czechoslovak Mathematical Journal
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