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math.CA2005
Extension of Functions with Small Oscillation
Denny H. Leung, Wee-Kee Tang
A classical theorem of Kuratowski says that every Baire one function on a G_δsubspace of a Polish (= separable completely metrizable) space X can be extended to a Baire one functio…
math.CA2000
Functions of Baire class one
Denny H. Leung, Wee-Kee Tang
Let be a compact metric space. A real-valued function on is said to be of Baire class one (Baire-1) if it is the pointwise limit of a sequence of continuous functions. In t…