A. Bouziad

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20092022

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Showing 2010 · math.GNShow all

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math.GN2010

Cliquishness and Quasicontinuity of Two Variables Maps

Ahmed Bouziad

We study the existence of continuity points for mappings $f : X \times Y \to Z$ whose $x$ -sections $Y ∋ y \to f (x, y) \in Z$ are fragmentable and $y$ -sections $X ∋ x \to f (x, y) \in Z$ ar…

math.GN2010

Lower Quasicontinuity, Joint Continuity and Related concepts

Ahmed Bouziad, Jean-Pierre Troallic

Let $X$ and $Y$ be topological spaces, let $Z$ be a metric space, and let $f : X \times Y \to Z$ be a mapping. It is shown that when $Y$ has a countable base $B$ , then under…