An upper bound for the Lipschitz retraction constant in l₁
Marco Annoni ; Emanuele Casini
Studia Mathematica, Tome 178 (2007), p. 73-76 / Harvested from The Polish Digital Mathematics Library
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We construct a new lipschitzian retraction from the closed unit ball of the Banach space l₁ onto its boundary, with Lipschitz constant 8.

Publié le : 2007-01-01
EUDML-ID : urn:eudml:doc:285094 
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     title = {An upper bound for the Lipschitz retraction constant in l1},
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     year = {2007},
     pages = {73-76},
     zbl = {1125.47039},
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Marco Annoni; Emanuele Casini. An upper bound for the Lipschitz retraction constant in l₁. Studia Mathematica, Tome 178 (2007) pp. 73-76. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-sm180-1-5/