We construct retractions with positive lower Hausdorff norms and small Hausdorff norms in Banach spaces of real continuous functions which domains are not necessarily bounded or finite dimensional. Moreover, we give precise formulas for the lower Hausdorff norms and the Hausdorff norms of such maps.
HAUSDORFF NORMS OF RETRACTIONS IN BANACH SPACES OF CONTINUOUS FUNCTIONS
Colao V;Trombetta A;Trombetta G
2009-01-01
Abstract
We construct retractions with positive lower Hausdorff norms and small Hausdorff norms in Banach spaces of real continuous functions which domains are not necessarily bounded or finite dimensional. Moreover, we give precise formulas for the lower Hausdorff norms and the Hausdorff norms of such maps.File in questo prodotto:
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