Almost quasicontinuity of multivalued maps on product spaces
Janina Ewert (1996)
Mathematica Slovaca
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Janina Ewert (1996)
Mathematica Slovaca
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Zbigniew Grande (1992)
Mathematica Slovaca
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Ján Borsík (1993)
Mathematica Bohemica
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A function is said to be almost quasicontinuous at if for each neighbourhood of . Some properties of these functions are investigated.
Anna Neubrunnová, Tibor Šalát (1992)
Mathematica Bohemica
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The concept of almost quasicontinuity is investgated in this paper in several directions (e.g. the relation of this concept to other generalizations of continuity is described, various types of convergence of sequences of almost quasicontinuous function are studied, a.s.o.).
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.