Product measurability and Scorza-Dragoni's type property
In this note we shall prove that for a continuous function , where , the paratingent of at is a non-empty and compact set in if and only if satisfies Lipschitz condition in a neighbourhood of . Moreover, in this case the paratingent is a connected set.
For multifunctions , measurable in the first variable and semicontinuous in the second one, a relation is established between being product measurable and being superpositionally measurable.
It is shown that product weakly measurable lower weak semi-Carathéodory multifunction is superpositionally measurable.
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