On the problem of retracting balls onto their boundary

DOI10.1155/S1085337503204103zbMath1028.47040OpenAlexW2054612528WikidataQ114723629 ScholiaQ114723629MaRDI QIDQ1864360

Kazimierz Goebel

Publication date: 17 March 2003

Published in: Abstract and Applied Analysis (Search for Journal in Brave)

Full work available at URL: https://eudml.org/doc/50481

zbMATH Keywords

Lipschitz continuityretractions of the unit ballsmallest possible Lipschitz constant

Mathematics Subject Classification ID

Fixed-point theorems (47H10) Geometry and structure of normed linear spaces (46B20)

Related Items (4)

Optimal retraction problem for proper \(k\)-ball-contractive mappings in \(C^{m} [0,1$] ⋮ Proper 1-ball contractive retractions in Banach spaces of measurable functions ⋮ Fixed point theorems for nonexpansive maps in Banach spaces ⋮ Proper \(k\)-ball-contractive mappings in \(C_b^m [0, +\infty)\)

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