An upper bound for the Lipschitz retraction constant in
Volume 180 / 2007
Studia Mathematica 180 (2007), 73-76
MSC: Primary 47H10.
DOI: 10.4064/sm180-1-5
Abstract
We construct a new lipschitzian retraction from the closed unit ball of the Banach space l_1 onto its boundary, with Lipschitz constant 8.
