scholarly journals Komlós’ theorem and the fixed point property for affine mappings

2018 ◽  
Vol 146 (12) ◽  
pp. 5311-5322 ◽  
Author(s):  
Tomás Domínguez Benavides ◽  
Maria A. Japón
2018 ◽  
Vol 2018 ◽  
pp. 1-6 ◽  
Author(s):  
Jichao Zhang ◽  
Lingxin Bao ◽  
Lili Su

We first present a generalization of ω⁎-Gâteaux differentiability theorems of Lipschitz mappings from open sets to those closed convex sets admitting nonsupport points and then show that every nonempty bounded closed convex subset of a Banach space has the fixed point property for isometries if it Lipschitz embeds into a super reflexive space. With the application of Baudier-Lancien-Schlumprecht’s theorem, we finally show that every nonempty bounded closed convex subset of a Banach space has the fixed point property for continuous affine mappings if it uniformly embeds into the Tsirelson space T⁎.


2012 ◽  
Vol 75 (13) ◽  
pp. 5357-5361 ◽  
Author(s):  
Carlos A. Hernández-Linares ◽  
Maria A. Japón

2004 ◽  
Vol 209 (1) ◽  
pp. 1-15 ◽  
Author(s):  
T.Domı́nguez Benavides ◽  
M.A.Japón Pineda ◽  
S. Prus

2011 ◽  
Vol 158 (8) ◽  
pp. 1085-1089 ◽  
Author(s):  
M.M. Marsh ◽  
J.R. Prajs

2001 ◽  
Vol 64 (3) ◽  
pp. 435-444 ◽  
Author(s):  
Andrzej Wiśnicki

A Banach space X is said to have property (Sm) if every metrically convex set A ⊂ X which lies on the unit sphere and has diameter not greater than one can be (weakly) separated from zero by a functional. We show that this geometrical condition is closely connected with the fixed point property for nonexpansive mappings in superreflexive spaces.


2012 ◽  
Vol 2012 (1) ◽  
Author(s):  
Helga Fetter Nathansky ◽  
Enrique Llorens-Fuster

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