Deprecated: $wgMWOAuthSharedUserIDs=false is deprecated, set $wgMWOAuthSharedUserIDs=true, $wgMWOAuthSharedUserSource='local' instead [Called from MediaWiki\HookContainer\HookContainer::run in /var/www/html/w/includes/HookContainer/HookContainer.php at line 135] in /var/www/html/w/includes/Debug/MWDebug.php on line 372
scientific article - MaRDI portal

scientific article

From MaRDI portal
Publication:3213662

zbMath0268.46013MaRDI QIDQ3213662

Mahlon Marsh Day

Publication date: 1973


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



Related Items

V-subdifferentials of convex operatorsOn Reich's strong convergence theorems for resolvents of accretive operatorsA framework for best simultaneous approximation: normed almost linear spacesExistence and continuity for the \(\varepsilon\)-approximation equilibrium problems in Hadamard spacesUniform rotundity of Musielak-Orlicz sequence spacesA general theory of surrogate dual and perturbational extended surrogate dual optimization problemsA generalization of uniformly extremely convex Banach spacesBanach spaces with trivial isometriesFunctionals generated dually by minimal projectors, and criteria for Banach spaces to be HilbertOn transitivity of proximinalityInfinite Banach direct sums and diagonal \(C_0\)-semigroups with applications to a stochastic particle systemExtremal properties of the set of vector-valued Banach limitsPorosity of perturbed optimization problems in Banach spacesSome problems in the Banach space theoryA contribution to a theorem of Ulam and MazurSome geometric properties related to smoothness of Banach spacesA note on geometrical properties of Banach spaces using \(\psi\)-direct sumsApproximate Radon-Nikodým representations on Riesz algebrasOn a functional equation related to the Ptolemaic inequalityNorm-attaining functionals need not contain 2-dimensional subspacesAbout Hahn-Banach extension theorems and applications to set-valued optimizationConically bounded sets and optimizationA minimax inequality and its applications to fixed point theorems in CAT(0) spacesA selection principle with applications in convex analysis and optimizationSurjective isometries on spaces of vector valued continuous and Lipschitz functionsA reflexivity criterionStrong convergence theorems for multivalued nonexpansive nonself-mappings in Banach spacesSchauder type theorems for differentiable and holomorphic mappingsBest simultaneous approximation in \(L_{1}(\mu ,X)\)Operator equations and duality mappings in Sobolev spaces with variable exponentsExtension of isometries between the unit spheres of normed space \(E\) and \(C(\Omega)\)On semi-uniform Kadec-Klee Banach spacesMaximization of lower semi-continuous convex functionals on bounded subsets of locally convex spaces. I: Hyperplane theoremsSufficient conditions for normal structure in a Banach spaceThe absence of unconditional bases in factor spaces generated by Dirichlet algebrasÜber schwach folgenpräkompakte OperatorenFinite representation of Banach spaces-smoothnessApplications of Galerkin's method to bifurcation and two-point boundary value problemsProduct formulas, nonlinear semigroups, and accretive operatorsOn a \(\rho\)-orthogonalityFinite-dimensional projection operators of unit norm in the space CA certain characteristic of a Hilbert spaceA characterization of totally normal structureDispersed Chebyshev sets and coverings by ballsBanach spaces without complete minimal systemsOn the asymptotic behavior of nonlinear semigroups and the range of accretive operatorsApproximative properties of subspaces of finite codimension in C(Q)Minimal extension of linear functionals to second dual spacesCharacteristic functionals of probabilistic measures in DS-groups and related topicsThe Hausdorff metric and Cebysev centresThe norm of a linear functional with respect to a non-negative convex functional vanishing at the originThe monotonicity of absolute normalized norms on \(\mathbb{C}^n\)Continuity properties of Chebyshev centersMethod of cyclic descent in the problem of best approximationContinuous maps in scales of Banach spacesGeneralized inverses with respect to general normsMarino-Prodi perturbation type results and Morse indices of minimax critical points for a class of functionals in Banach spacesAlgebraic and topological reflexivity properties of \(l^p(X)\)spacesÀ la recherche de la preuve perdue: a simple proof of the Ficken theoremDuality between compactness and discreteness beyond Pontryagin dualityApplications of convex analysis within mathematicsA reverse theorem on the \(||\cdot||-w^{\ast}\) continuity of the dual mapA new characterization of \(k\)-uniformly rotund Banach spacePythagorean Euclidean four point propertiesLawson topology of the space of formal balls and the hyperbolic topologyDenseness of norm-attaining mappings on Banach spacesThe isometric extension problem in the unit spheres of \(l^p(\Gamma)(p>1)\) type spacesRelations between certain classes of sets in Banach spacesMultiple positive solutions for a critical quasilinear equation via Morse theoryStrong convergence theorems for accretive operators in Banach spacesThe Hermite-Hadamard inequality for convex functions on a global NPC spaceSet of solutions of a differential inclusion in Banach space. IIPositive functionals and the axiom of choicePositive one-parameter semigroups on ordered Banach spacesBoundary of the unit ball and approximation by elements of subspaces of finite codimension in C(Q)Quasisymmetry. IIA criterion for a topological group to admit a continuous embedding in a locally compact groupApproximate solutions of variational inequalities on sets of common fixed points of a one-parameter semigroup of nonexpansive mappingsOn the multiplicity of positive solutions for \(p\)-Laplace equations via Morse theoryOn isometric extension problem between two unit spheresStrong solvability in Orlicz spacesA note on a simplified approach to the valuation of risky streamslambda-bases and their applicationsSmoothness in weakly compactly generated Banach spacesNecessary optimality conditions in control problems for systems described by eigenfunctions of an elliptic operatorQuasicomplements and minimal systems in \(\ell _{\infty}\)Convergence of best approximations in a smooth Banach spaceChebyshev centers in normed spacesMinimax balayage theorem and an inscribed ball problemEstimating the norm of a conditional extension of a linear functionalLocal reflexivity of normed spaces, operators, and Fréchet spacesAn order theoretical characterization of the Fourier transformWeak continuity of a metric projection onto a bounded set in a Banach spaceAbsolute diameters and codiametersMetric projection onto convex setsUnconditional bases and the order structureContinuity of metric projections onto subspaces and openness of quotient maps on unit ballsAsymptotic centers and best compact approximation of operators into C(K)Continuity of metric projectionA volume-based approach to the multiplicative ergodic theorem on Banach spacesOn the algebraic dimension of Riesz spacesDenting points in Köthe-Bochner spacesThe dimension of a closed subset of \(\mathbb{R}^ n\) and related function spacesWeak compactness in spaces of differentiable mappingsAn axiomatization of Nash equilibria in economic situationsRegular cones in Hilbert spaceAbsolute-valued algebraic algebras are finite-dimensionalCrossed products of \(C^*\)-algebras by endomorphismsFixed points of nonexpansive mappingsOn seminorm and its decompositionFunctions related to convexity and smoothness of normed spacesA brief account on Lagrange's algebraic identityUniqueness of generalized elements of best approximationA characterization of generalized and classical best approximation elements relative to spaces of finite codimensionThe Hyers theorem via the Markov-Kakutani fixed point theoremA duality theory for decomposable systems in a categoryCritical sets in optimization problems with several constraintsOn convexity properties of \(\psi\)-direct sums of Banach spaces.Existence of quasi-bases for separable topological linear spacesStarshaped setsSuccessive approximation and linear stability involving convergent sequences of optimization problemsEstimation of the rate of approximation to stable laws in C(S)Approximate properties of sets in Hilbert spaceGeneralized inverses with respect to general norms. IIModulus of convexity in Banach spacesSmooth Banach spaces, weak Asplund spaces and monotone or usco mappingsDiametral points and diametral pairs in Banach spacesGeneric existence of solutions for some perturbed optimization problemsThe topology of certain spaces of measuresLevel-constrained programmingOn the optimal control of strongly nonlinear evolution equationsScalar convergence of convex setsThe locally \(k\)-uniformly extremely convex and midpoint locally \(k\)-uniformly extremely convex Banach spacesA uniform geometric property of Banach spacesSome properties which generalize uniform rotundity of Banach spacesCone isomorphisms and almost surjective operatorsTopical functions on semimodules and generalizationsUnconditional convergence of functional series in problems of probability theoryOn strong lifting compactness for the weak\(^*\) topologyPrevarieties and intertwined completeness of locally convex spacesClosure theorems for orientor fields and weak convergenceOn the existence and nonexistence of Lagrange multipliers in Banach spacesOn Banach lattices of operatorsWhen do two Banach spaces have isometrically isomorphic nonstandard hullsLinear maps majorized by a sublinear mapConnectedness and solar properties of sets in normed linear spacesDefining a metric in a linear space by means of a family of subsetsOn uniformly homeomorphic normed spacesGeneralized elements of best approximationSimultaneous approximation of vector-valued functionsEqual signs additive sequences in Banach spacesThe Radon-Nikodym theorem for Lebesgue-Bochner function spacesNonextendible positive mapsA note on the closed graph theoremDuality in approximation and conjugate cones in normed linear spacesDifferentiability of distance function and the proximinal condition implying convexityLocal approximation properties of spline projectionsOrders, gauge, and distance in faceless linear cones; with examples relevant to continuum mechanics and relativityThe minimal and maximal operator ideals associated to \((n+1)\)-tensor norms of Michor's typeSome geometric properties of integral modulesA generalized Orlicz-Pettis theorem and applicationsSandwich theorems for convex operators with values in an ordered vector spaceGeometry of product spacesOn uniformly homeomorphic normed spaces. IIEstimates of convergence rate in the central limit theorem in C(S)Approximation et surjectivite d'opérateurs de type monotoneOn the automorphisms of circular and Reinhardt domains in complex Banach spacesBest approximation by closed sets in Banach spacesOrders, gauge, and distance in faceless linear cones. II: Gauge- preserving bijections are cone-isomorphismsRegularity and stability for the mathematical programming problem in Banach spacesWeak and norm convergence on the unit sphereWeak* derived sets of sets of linear functionalsUniform dentability, uniform smoothability and approximations to convex setsBounded approximants to monotone operators on Banach spacesWeak sequential completeness of Banach operator idealsAdjoint subspaces in Banach spaces, with applications to ordinary differential subspacesQuotient spaces of Marcinkiewicz spacesOperators acting in the dual spaces of discrete Cesàro spacesA compactness criterion of mixed Krasnoselskiĭ-Riesz type in regular ideal spaces of vector functionsDissipative mappings with approximately invariant subspacesOrder-isomorphisms between cones of continuous functionsGeometry of spaces of polynomialsThe fixed point property in Banach spaces via the strict convexity and the Kadec-Klee propertyGeneral methods of convergence and summabilityStrong convergence of approximating fixed points for nonexpansive nonself-mappings in Banach spacesNonlinear versions of Korovkin's abstract theoremsRegularized minimization under weaker hypothesesRepresentations of starshaped sets in normed linear spacesA generalization of the Hahn-Banach theoremInner products and norm derivativesGeneralized backward shifts on Banach spaces \(C(X,E)\)Basis selection and fixed point results for affine mappingsGeometry and topology of continuous best and near best approximationsClosure theorems without seminormality conditionsA characterization of (locally) uniformly convex spaces in terms of relative openess of quotient maps on the unit ballIterative processes with mixed errors for nonlinear equations with perturbed \(m\)-accretive operators in Banach spaces.Convergences of nonexpansive iteration processes in Banach spacesOn some classical properties of normed spaces via generalized vector valued almost convergencePolyhedral norms in an infinite dimensional spaceA Banach space in which all compact sets, but not all bounded sets, admit Chebyshev centersApproximate smoothness in normed linear spacesTopological modules geometryNorming and dense sets of extreme points of the unit ball in spaces of bounded Lipschitz functionsOn the smoothness of normed spacesInvariant affine subspacesUnnamed ItemMonotonicity and rotundity properties in Banach latticesSpaces of compact operators and their dual spacesThe failure of Rolle's theorem in infinite-dimensional Banach spacesGeneralized backward shifts on Banach spaces.The Mann process for perturbed \(m\)-accretive operators in Banach spacesErgodic characterizations of reflexivity of Banach spacesMorse theory on Banach manifoldsUnnamed ItemOn Points at Which a Set is Cone-ShapedCharacterizations of rotundity and smoothness by approximate orthogonalitiesRotundity in Lebesgue-Bochner Function SpacesConditions involving compactness in geometry of Banach spacesNormal Structure, Fixed Points and Related Parameters in Banach SpacesStrong convergence of approximants to fixed points of nonexpansive nonself-mappings in Banach spacesThe Radius Ratio and Convexity Properties in Normed Linear SpacesOn some geometric parameters in Banach spacesAnother Approximation Theoretic Characterization of Inner Product SpacesOrthogonality Types in Normed Linear SpacesThe monotone convergence theorem for multidimensional abstract Kurzweil vector integralsReflexivity of a Banach Space with a Uniformly Normal StructureMosco Convergence and ReflexivityBanach spaces with a large semigroup of contractive automorphismsOn generic second-order gateaux differentiabilitySome sufficient conditions for fixed points of multivalued nonexpansive mappingsSchauder fixed point theorem in spaces with global nonpositive curvatureThe generalized sine function and geometrical properties of normed spacesStability of IsometriesMetrizations of orthogonality and characterizations of inner product spacesSpaces of continuous functions on ordinals and ultrafiltersThe Slater Conundrum: Duality and Pricing in Infinite-Dimensional OptimizationOn the cone of bounded lower semicontinuous functionsSeparation, convexity and polarity in the space of normlinear functionsA solution to the faceless problemPrinciple of local reflexivity respecting nests of subspaces and the nest approximation propertiesOn the Hahn-Banach Extension PropertyOrthogonality of compact operatorsCompactness conditions in the geometric theory of Banach spacesUnnamed ItemOn the countability of the spectrum of weakly almost periodic functionsAn Order Topology in Ordered Topological Vector SpacesConvex operators: some subdifferentiability resultsWeak-Polynomial Convergence on a Banach SpaceAn algorithm for non-negative norm minimal solutionsSkewness in Banach SpacesA Lattice Renorming Theorem and Applications to Vector-Valued ProcessesFischer–Muszély Additivity: A Half Century StoryOn extension of isometries in (F)-spacesUtilisation des équations fonctionnelles pour la caractérisation des espaces préhilbertiensBIRKHOFF ORTHOGONALITY IN CLASSICAL -IDEALSSpheres in Infinite-Dimensional Normed Spaces are Lipschitz ContractibleA characterization of reflexive Banach spacesUnnamed ItemUnnamed ItemCluster sets for partial sums and partial sum processesOn the Characterization of Hilbertian Norms by Properties of Heights of a TriangleRigidity properties of nonexpansive mappingsOn the Second Dual of the Lorentz SpaceRigid sets and nonexpansive mappingsExtreme points in triangular UHF algebrasAsymptotic normal structure and the semi-opial propertySome characterizations of inner product spaces based on angleUnnamed ItemDitkin’s condition for certain Beurling algebrasAsymptotic properties of Banach spaces under renormingsOn nearest points in closed convex setsOn the index of solvability for variational inequalities in Banach spaces ⋮ [https://portal.mardi4nfdi.de/wiki/Publication:4119862 Ind�pendance conditionnelle et uniformit� pour les lois fortes des grands nombres dans les espaces de Banach] ⋮ Unconditional convergence and almost everywhere convergenceDanes’ Drop Theorem in locally convex spacesConvex functions, subdifferentiability and renormingsNonlinear evolution equations and nonlinear ergodic theoremsOn Upper Semicontinuity of Duality MappingsA Pythagorean approach in Banach spacesUnnamed ItemOn the Indecomposability of Compact Convex SetsComplex Interpolation of Normed and Quasinormed Spaces in Several Dimensions. II. Properties of Harmonic InterpolationA Hahn-Banach extension theorem for analytic mappingsSTANDARD BIORTHOGONAL SYSTEMS IN THE ENLARGEMENT OF A NORMED SPACEOn drop property and nearly uniformly smooth banach spacesNormal Structure in Dual Banach Spaces Associated With a Locally Compact GroupConvex-compact sets and Banach discsA Smooth Variational Principle With Applications to Subdifferentiability and to Differentiability of Convex FunctionsThe Positive Fixed Points of Banach LatticesThe Generalized Fredholm OperatorsSome fixed point theorems for concentrative mappings between locally convex linear topological spacesStrong convergence theorems for nonexpansive nonself-mappings in Banach spacesA nonconvex vector minimization problemCardinality of \(\Lambda\) determines the geometry of \(B_{\ell_\infty}(\Lambda)\) and \(B_{\ell_\infty}(\Lambda)^\ast\)Generalizations of a Theorem of NamiokaComplex Interpolation for Normed and Quasi-Normed Spaces in Several Dimensions. III. Regularity Results for Harmonic InterpolationCharacterization of real inner product spaces by Hermite-Hadamard type orthogonalitiesSPACES OF RAPIDLY OSCILLATING FUNCTIONSOn the algebraic foundations of bounded cohomologyA criterion for invariant measures of markov processesUnnamed ItemBest approximation by polynomial operators in banach spacesUnnamed ItemA Note on Pythagorean Approach in Banach SpacesIntersection Properties of Balls and Subspaces in Banach SpacesThe representation theorem of onto isometric mappings between two unit spheres of \(l^1(\Gamma)\) type spaces and the application to the isometric extension problemInfinite first order differential systems with nonlocal initial conditionsMosco Convergence and the Kadec PropertyOn almost isometric embedding from \(C(\Omega)\) into \(C_0(\Omega_0)\)Rotundity and Smoothness in Conjugate SpacesOrthogonalities and functional equationsConvergence of closed convex sets and ?-fieldsNEARLY ABSOLUTE-VALUED ALGEBRAS