Hyperconvexity and approximate fixed points

From MaRDI portal
Publication:3469890

DOI10.1016/0362-546X(89)90079-5zbMath0694.54033OpenAlexW2074072280MaRDI QIDQ3469890

Robert Sine

Publication date: 1989

Published in: Nonlinear Analysis: Theory, Methods & Applications (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/0362-546x(89)90079-5




Related Items

Fixed point theorems in \(\mathbb R\)-trees with applications to graph theoryWeakly externally hyperconvex subsets and hyperconvex gluingsExtension and selection theorems in topological spaces with a generalized convexity structureSome characterizations of ultrametrically injective spacesCoincidences and fixed points in locally G-convex spacesThe Generic Stability of Fixed Points for Upper Semicontinuous Mappings in Hyperconvex Metric SpacesRetractions on the fixed point set of semigroups of nonexpansive maps in hyperconvex spacesOn some properties of hyperconvex spacesDiversities, hyperconvexity and fixed pointsHyperconvexity and Nonexpansive MultifunctionsConvex sets which are intersections of closed ballsWeak KKM set-valued mappings in hyperconvex metric spacesMetric fixed point theory on hyperconvex spaces: recent progressSet-valued contractions and fixed pointsBall intersection properties in metric spacesAn approximate fixed point propertyTopological convexities, selections and fixed pointsMichael selection problem in hyperconvex metric spacesCommon fixed points for commuting mappings in hyperconvex spacesCommon fixed points of set-valued mappings in hyperconvex metric spaces\(q\)-hyperconvexity in quasipseudometric spaces and fixed point theoremsOn the fixed points of commuting nonexpansive maps in hyperconvex spacesSome applications of the Knaster-Kuratowski and Mazurkiewicz principle in hyperconvex metric spacesOn best approximations in hyperconvex spacesBest approximation, coincidence and fixed point theorems for quasi-lower semicontinuous set-valued maps in hyperconvex metric spacesProximinal Retracts and Best Proximity Pair TheoremsBest proximity pairs for upper semicontinuous set-valued maps in hyperconvex metric spacesCoincidence point, best approximation, and best proximity theorems for condensing set-valued maps in hyperconvex metric spacesContinuous mappings in compact hyperconvex metric spacesAbstract convexity and fixed pointsHyperconvex spaces revisitedWhen separability of the space of ultra-extremal functions is preservedSome Nonlinear Problems in Hyperconvex Metric SpacesOn Continuous Selection Problems for Multivalued Mappings with the Local Intersection Property in Hyperconvex Metric SpacesBest proximity points for relatively \(u\)-continuous mappings in Banach and hyperconvex spacesHyperbolic spaces and directional contractionsExistence and data dependence of fixed points for multivalued operators on gauge spacesLambda-hyperconvexity in metric spacesNonexpansive retractions in hyperconvex spacesFixed point theorems of upper semicontinuous multivalued mappings with applications in hyperconvex metric spacesFixed point and selection theorems in hyperconvex spacesFixed points of upper semicontinuous mappings in locally G-convex spaces



Cites Work