Results 211 to 220 of about 104,376 (236)

Parabolic PDEs with Dynamic Data under a Bounded Slope Condition. [PDF]

open access: yesArch Ration Mech Anal
Bögelein V, Duzaar F, Treu G.
europepmc   +1 more source

Reflexivity is equivalent to stability of the almost fixed point property

Journal of Mathematical Analysis and Applications, 2018
A closed convex subset \(C\) of a Banach space \((X,\|\cdot\|)\) has the almost fixed point property if, for every nonexpansive mapping \(T:C\to C\), \(\inf\{\,\|x - Tx\|:x\in C\} = 0\). In [Proc. Am. Math. Soc. 88, 44--46 (1983; Zbl 0523.47042)], \textit{S. Reich} characterized the closed convex subsets of reflexive Banach spaces with the almost fixed
Maria A Japon, J Villada Bedoya
exaly   +2 more sources

Weakly almost periodic functions invariant means and fixed point properties in locally convex topological vector spaces

open access: yesTopological Methods in Nonlinear Analysis, 2022
In this paper, we study and establish a positive answer to a long-standing open problem raised by A.T.-M. Lau in 1976. It is about whether the left amenability property of the Banach algebra WAP($S$), of all weakly almost periodic functions, on a ...
openaire   +2 more sources

Fixed Point Theory for the a-Admissible Meir-Keeler- Type Set Contractions Having KKM∗ Property on Almost Convex Sets

open access: yesApplied Mathematics & Information Sciences, 2017
The purpose of this paper is to study fixed points for the KKM∗ family satisfying the a-admissible Meir-Keeler-type set contractions with respect to the set measure sp of noncompactness in the context of Hausdorff topological vector spaces.
C.-M. Chen   +3 more
openaire   +3 more sources

Invariant means on weakly almost periodic functions and generalized fixed point properties

The Journal of Analysis, 2020
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Soliman, Ahmed H.   +2 more
openaire   +2 more sources

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