Results 41 to 50 of about 9,818 (190)
Some strongly bounded classes of Banach spaces [PDF]
We show that the classes of separable reflexive Banach spaces and of spaces with separable dual are strongly bounded. This gives a new proof of a recent result of E. Odell and Th.
Dodos, Pandelis, Ferenczi, Valentin
core +1 more source
Restricting a Schauder Basis to a Set of Positive Measure [PDF]
Let { f n
openaire +2 more sources
Note on bases in algebras of analytic functions on Banach spaces
Let $\{P_n\}_{n=0}^\infty$ be a sequenceof continuous algebraically independent homogeneous polynomials on a complex Banach space $X.$ We consider the following question: Under which conditions polynomials $\{P_1^{k_1}\cdots P_n^{k_n}\}$ form a Schauder
I.V. Chernega, A.V. Zagorodnyuk
doaj +1 more source
Schauder bases in Dirac modules over quaternions [PDF]
Dirac modules over the quaternion skew field are investigated on a compact domain relative to the supremum norm and Hardy's norm with the parameter ...
Ludkovsky, Sergey V.
core +1 more source
The concept of g-basis in Hilbert spaces is introduced, which generalizes Schauder basis in Hilbert spaces. Some results about g-bases are proved. In particular, we characterize the g-bases and g-orthonormal bases. And the dual g-bases are also discussed.
Xunxiang Guo
doaj +1 more source
Fractional integrals, derivatives and integral equations with weighted Takagi–Landsberg functions
In this paper, we find fractional Riemann–Liouville derivatives for the Takagi–Landsberg functions. Moreover, we introduce their generalizations called weighted Takagi–Landsberg functions, which have arbitrary bounded coefficients in the expansion under ...
Vitalii Makogin, Yuliya Mishura
doaj +1 more source
Maximal left ideals of the Banach algebra of bounded operators on a Banach space [PDF]
We address the following two questions regarding the maximal left ideals of the Banach algebra $\mathscr{B}(E)$ of bounded operators acting on an infinite-dimensional Banach pace $E$: (Q1) Does $\mathscr{B}(E)$ always contain a maximal left ideal which
Dales, H. G. +4 more
core +2 more sources
Subseries convergence in spaces with a Schauder basis [PDF]
Summary: Let \(E\) be a Hausdorff topological vector space having a Schauder basis \(\{b_ i\}\) and coordinate functionals \(\{f_ i\}\). Let \(\sigma(E, F)\) be the weak topology on \(E\) induced by \(F= \{f_ i: i\in \mathbb{N}\}\). We show that if a series in \(E\) is subseries convergent with respect to \(\sigma(E, F)\), then it is subseries ...
openaire +1 more source
Numerical Treatment of Fixed Point Applied to the Nonlinear Fredholm Integral Equation
The authors present a method of numerical approximation of the fixed point of an operator, specifically the integral one associated with a nonlinear Fredholm integral equation, that uses strongly the properties of a classical Schauder basis in the Banach
M. I. Berenguer +3 more
doaj +2 more sources
Amalgamations of classes of Banach spaces with a monotone basis
It was proved by Argyros and Dodos that, for many classes $ C $ of separable Banach spaces which share some property $ P $, there exists an isomorphically universal space that satisfies $ P $ as well.
Kurka, Ondřej
core +1 more source

