scientific article; zbMATH DE number 3047717

Publication date: 1948

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

Related Items

Property \((\beta )\) implies normal structure of the dual space ⋮ Results on \(n\)-tupled fixed points in metric spaces with uniform normal structure ⋮ Metric fixed point theory: a brief retrospective ⋮ Some more Banach spaces with normal structure ⋮ Some aspects of generalized von Neumann-Jordan type constant ⋮ On some geometric parameters in Banach spaces ⋮ The center of a convex set and capital allocation ⋮ The characteristic of convexity of a Banach space and normal structure ⋮ \(L^0\)-convex compactness and random normal structure in \(L^0(\mathcal{F}, B)\) ⋮ On James and von Neumann-Jordan constants and sufficient conditions for the fixed point property ⋮ Relatively Nonexpansive Mappings in k-Uniformly Convex Banach Spaces ⋮ Spazi di Opial, centri asintotici e punti fissi ⋮ Some geometric measures of spheres in Banach spaces ⋮ Weak fixed point property for nonexpansive mappings with respect to orbits in Banach spaces ⋮ Strong asymptotic normal structure and fixed points in product spaces ⋮ Fixed point theory in modular function spaces ⋮ On Banach space properties that are not invariant under the Banach-Mazur distance 1 ⋮ Sufficient conditions for uniform normal structure of Banach spaces and their duals ⋮ Hölder’s means and fixed points for multivalued nonexpansive mappings ⋮ The exact value of normal structure coefficients and WCS coefficients in a class of Orlicz function spaces ⋮ Browder's type strong convergence theorems for infinite families of nonexpansive mappings in Banach spaces ⋮ Unnamed Item ⋮ Remarks on the stability of the fixed point property for nonexpansive mappings ⋮ Advancements in fixed point theory in modular function spaces ⋮ Around the nonlinear Ryll-Nardzewski theorem ⋮ Sufficient conditions for normal structure in a Banach space ⋮ A characterization of proximal normal structure via proximal diametral sequences ⋮ Neue Existenz- und Konvergenzsätze in der Fixpunkttheorie nichtlinearer Operatoren ⋮ Unnamed Item ⋮ Fixed points of isometries on weakly compact convex sets ⋮ The relations between the von Neumann-Jordan type constant and some geometric properties of Banach spaces ⋮ Diametrically complete sets with empty interior and constant width sets with empty interior ⋮ Normal structure and invariance of Chebyshev center under isometries ⋮ Unnamed Item ⋮ On distal flows and common fixed point theorems in Banach spaces ⋮ Unnamed Item ⋮ Unnamed Item ⋮ Normal structure and moduli of UKK, NUC, and UKK* in Banach spaces ⋮ Normal structure and the generalized James and Zbăganu constants ⋮ Fixed point properties of semigroups of non-expansive mappings ⋮ Fixed point properties and reflexivity in variable Lebesgue spaces ⋮ Chebyshev centers and fixed point theorems ⋮ Seminormal structure and fixed points of cyclic relatively nonexpansive mappings ⋮ Erratum to: ``Seminormal structure and fixed points of cyclic relatively nonexpansive mappings ⋮ On uniform opial condition and uniform Kadec-Klee property in Banach and metric spaces ⋮ Fixed-point theorem for isometric self-mappings ⋮ Convexity conditions and normal structure of Banach spaces ⋮ Modulus of convexity in Banach spaces ⋮ Best proximity point theorems for cyclic relatively \(\rho\)-nonexpansive mappings in modular spaces ⋮ Asymptotic normal structure and the semi-opial property ⋮ Analysis and asymptotic stability of uniformly Lipschitzian nonlinear semigroup systems ⋮ Schauder bases and diametrically complete sets with empty interior ⋮ Normal structure and orbital fixed point conditions ⋮ Unnamed Item ⋮ Lim's center and fixed-point theorems for isometry mappings ⋮ On generalized pointwise noncyclic contractions without proximal normal structure ⋮ On weak uniform normal structure in weighted Orlicz sequence spaces ⋮ Does Kirk's theorem hold for multivalued nonexpansive mappings? ⋮ The \(W^*\)-convexity and normal structure in Banach spaces. ⋮ A Pythagorean approach in Banach spaces ⋮ Unnamed Item ⋮ Unnamed Item ⋮ Unnamed Item ⋮ Existence of diametrically complete sets with empty interior in reflexive and separable Banach spaces ⋮ Further properties of 1- and 2-dimensional U- and W-convexity and fixed point of nonexpansive mappings in Banach spaces \(X\) and \(X^\ast\) ⋮ Unitarizable representations and fixed points of groups of biholomorphic transformations of operator balls ⋮ Normal structure and fixed point properties for some Banach algebras ⋮ Uniform smoothness implies super-normal structure property ⋮ A Survey on Best Proximity Point Theory in Reflexive and Busemann Convex Spaces ⋮ Some results on iterative proximal convergence and Chebyshev center ⋮ Algebraic and analytic properties of semigroups related to fixed point properties of non-expansive mappings ⋮ A short survey on open problems in metric fixed point theory and some related results for nonexpansive mappings ⋮ Structure and asymptotic behavior of abstract dynamical systems ⋮ Some inequalities on w^*UR modulus of convexity and geometric properties of Banach spaces X and X^* ⋮ Construction of fixed points of nonlinear mappings in Hilbert space ⋮ Some aspects of generalized Zbăganu and James constant in Banach spaces ⋮ Uniformly Lipschitzian group actions on hyperconvex spaces ⋮ Condensing operators of integral type in Busemann reflexive convex spaces ⋮ Some geometrical properties and fixed point theorems in Orlicz spaces ⋮ Remarks on Caristi's fixed point theorem ⋮ Unnamed Item ⋮ On new moduli related to the generalization of the parallelogram law ⋮ Asymptotically isometric copies of \(c_0\) and renormings of Banach spaces ⋮ Eine Bemerkung über a-priori-Fixpunkte nicht-expansiver Abbildungen. (A remark on a priori fixed points of non-expansive mappings) ⋮ Global optimization of cyclic Kannan nonexpansive mappings in nonreflexive Banach spaces ⋮ Common best proximity pairs via the concept of complete proximal normal structure ⋮ Fixed point properties for semigroups of nonexpansive mappings on convex sets in dual Banach spaces ⋮ Study of minimal invariant pairs for relatively nonexpansive mappings with respect to orbits ⋮ Convexity and boundedness relaxation for fixed point theorems in modular spaces ⋮ The exact value of normal structure coefficients in a class of Orlicz sequence spaces ⋮ Close-to-normal structure and its applications ⋮ Nonexpansive mappings in metric and Banach spaces ⋮ Weak normal structure in Banach spaces with symmetric norm ⋮ On some Banach space properties sufficient for normal structure ⋮ Unnamed Item ⋮ Fixed points, normal structure and moduli of semi-UKK, semi-NUC and semi-\(\text{UKK}^\ast\) spaces ⋮ On super fixed point property and super weak compactness of convex subsets in Banach spaces ⋮ Some fixed point theorems for convex contraction mappings and mappings with convex diminishing diameters. II ⋮ Maluta’s coefficient and Opial’s properties in Musielak–Orlicz sequence spaces equipped with the Luxemburg norm ⋮ A characterization of weak proximal normal structure and best proximity pairs ⋮ Fixed points and common fixed points for orbit-nonexpansive mappings in metric spaces ⋮ Fixed point theorems of nonexpansive mappings on weakly compact sets ⋮ Diametrically Relatively Nonexpansive Mappings and a Characterization of Proximal Normal Structure ⋮ Topological modules geometry ⋮ Some aspects of invariant means in the spaces of weakly almost periodic functions and left uniformly continuous functions ⋮ A metric fixed point theorem and some of its applications ⋮ Unnamed Item ⋮ Unnamed Item ⋮ On property \((M)\) and its generalizations ⋮ Geometrical conditions in product spaces