Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
841044 | Nonlinear Analysis: Theory, Methods & Applications | 2011 | 4 Pages |
Abstract
The unit sphere in an infinite dimensional Banach space is a lipschitzian retract of the unit ball. The aim of this paper is to present a new upper bound for the optimal retraction constant in some classical Banach spaces. In particular, an improved estimate from above is obtained for the space C[0,1]C[0,1].
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Authors
Łukasz Piasecki,