Obstacles to bounded recovery

Let X be a Banach space, V⊂X is its subspace and U⊂X*. Given x∈X, we are looking for v∈V such that u (v)=u (x) for all u∈U and ‖v‖ ≤M‖x‖. In this article, we study the restrictions placed on the constant M as a function of X,V, and U.

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Bibliographic Details
Main Author: Boris Shekhtman
Format: Article
Language:English
Published: Wiley 2001-01-01
Series:Abstract and Applied Analysis
Online Access:http://dx.doi.org/10.1155/S1085337501000719
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