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ON QUASI-UNIFORM CONVERGENCE OF SEQUENCES OF s1-STRONGLY QUASI-CONTINUOUS FUNCTIONS ON Rm.
- Source :
-
Real Analysis Exchange . 2004/2005, Vol. 30 Issue 1, p217-234. 18p. - Publication Year :
- 2004
-
Abstract
- A function ƒ : Rm → R is called s1-strongly quasi-continuous at a point X ∈ Rm if for each real ε > 0 and for each set A ∋ x belonging to the density topology, there is a nonempty open set V such that Ø ≠ A ∩ V ⊂ ƒ-1((ƒ(x) - ε, ƒ(x)) ∩ C(ƒ), where C(ƒ) denotes the set of continuity points of ƒ. It is proved that every λ-almost everywhere continuous function ƒ : Rm → R is the quasi-uniform limit of a sequence of s1-strongly quasi-continuous functions and that each measurable function ƒ : Rm → R is the quasi-uniform limit of a sequence of approximately quasi-continuous functions ƒ : Rm → R. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 01471937
- Volume :
- 30
- Issue :
- 1
- Database :
- Academic Search Index
- Journal :
- Real Analysis Exchange
- Publication Type :
- Academic Journal
- Accession number :
- 17537860