Przeglądaj Artykuły naukowe według tematu "sup-measurability"
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On the measurability of functions with quasi - continuous and upper semi - continuous vertical sections
(Springer, 2013)Let f : R2 → R be a function with upper semicontinuous and quasi-continuous vertical sections fx(t) = f(x, t), t, x ∈ R. It is proved that if the horizontal sections fy(t) = f(t, y), y, t ∈ R, are of Baire class α (resp. ...