On the lower semicontinuity of the set-valued metric projection
نویسندگان
چکیده
منابع مشابه
Lower Semicontinuity Concepts, Continuous Selections, and Set Valued Metric Projections
A number of semicontinuity concepts and the relations between them are discussed. Characterizations are given for when the (set-valued) metric projection P M onto a proximinal subspace M of a normed linear space X is approximate lower semicontinuous or 2-lower semicontinuous. A geometric characterization is given of those normed linear spaces X such that the metric projection onto every one-dim...
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ژورنال
عنوان ژورنال: Journal of Approximation Theory
سال: 1973
ISSN: 0021-9045
DOI: 10.1016/0021-9045(73)90033-6