Results 11 to 20 of about 620,212 (229)

Some uniformly convex spaces [PDF]

open access: goldBulletin of the American Mathematical Society, 1940
R. P. Boas
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Littlewood–Paley inequalities in uniformly convex and uniformly smooth Banach spaces

open access: bronzeJournal of Mathematical Analysis and Applications, 2007
Abstract It is proved that the inequality δ X ( e ) ⩾ c e p , p ⩾ 2 , where δ X is the modulus of convexity of X, is sufficient and necessary for the inequality ∫ D ‖ ∇ f ( z ) ‖ p ( 1 − | z | ) p − 1 d A ( z ) ⩽ C ( ‖ f ‖ p , X p − ‖ f ( 0 ) ‖ p ) ,
Karen Avetisyan   +2 more
openalex   +4 more sources

Reflexive Banach spaces not isomorphic to uniformly convex spaces [PDF]

open access: goldBulletin of the American Mathematical Society, 1941
Mahlon M. Day
openalex   +3 more sources

Fixed point theorems in uniformly convex Banach spaces

open access: yesRatio Mathematica, 2023
In this article, we establish a concept of fixed point result in Uniformly convex Banach space. Our main finding uses the Ishikawa iteration technique in uniformly convex Banach space to demonstrate strong convergence.
Manoj Karuppasamy, R. Jahir Hussain
doaj   +1 more source

Uniformly convex functions on Banach spaces [PDF]

open access: yesProceedings of the American Mathematical Society, 2008
[EN] Given a Banach space (X,k · k), we study the connection between uniformly convex functions f : X ¿ R bounded above by k · kp , and the existence of norms on X with moduli of convexity of power type. In particular, we show that there exists a uniformly convex function f : X ¿ R bounded above by k · k2 if and only if X admits an equivalent norm with
Borwein, J.   +3 more
openaire   +4 more sources

The generalized projection methods in countably normed spaces

open access: yesJournal of Inequalities and Applications, 2021
Let E be a Banach space with dual space E ∗ $E^{*}$ , and let K be a nonempty, closed, and convex subset of E. We generalize the concept of generalized projection operator “ Π K : E → K $\Pi _{K}: E \rightarrow K$ ” from uniformly convex uniformly smooth
Sarah Tawfeek   +2 more
doaj   +1 more source

Interpolation of Uniformly Convex Banach Spaces [PDF]

open access: yesProceedings of the American Mathematical Society, 1982
If A 0 {A_0} and A 1 {A_1} are a compatible couple of Banach spaces, one of which is uniformly convex, then the complex interpolation spaces [ A 0 ,
Shlomo Reisner, Michael Cwikel
openaire   +2 more sources

Martingale representation in uniformly convex spaces [PDF]

open access: yesProceedings of the American Mathematical Society, 1979
In this paper we define the concept of a martingale in a uniformly convex Banach space and show that each bounded martingale is convergent and can be represented as a sequence of nearest point projections onto closed convex sets of one element of the Banach space.
D. Landers, L. Rogge
openaire   +2 more sources

El espacio cociente y algunas propiedades geométricas de los espacios de Banach

open access: yesRevista de Matemática: Teoría y Aplicaciones, 2009
We state some geometric properties of Banach spaces, such as uniformly convex spaces, uniformly non-square spaces, local uniformly convex spaces, strictly convex spaces, etc., and we analyze the problem of translating such properties to the quotient ...
Jose R. Morales
doaj   +1 more source

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