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