On certain diameters of bounded sets.

Kamal, Aref

Displaying similar documents to “On certain diameters of bounded sets.”

Approximation by finite rank operators with ranges in $c_{o}$ .

Kamal, Aref (1993)

International Journal of Mathematics and Mathematical Sciences

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Strongly summable sequences defined over real $n$ -normed spaces.

Dutta, Hemen, Reddy, B.Surender, Cheng, Sui Sun (2010)

Applied Mathematics E-Notes [electronic only]

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On best proximity pair theorems and fixed-point theorems.

Srinivasan, P.S., Veeramani, P. (2003)

Abstract and Applied Analysis

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On $P$ - and $p$ -convexity of Banach spaces.

Muñiz-Pérez, Omar (2010)

Abstract and Applied Analysis

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Extensions of linear operators from hyperplanes of $l_{\infty}^{(n)}$

Marco Baronti, Vito Fragnelli, Grzegorz Lewicki (1995)

Commentationes Mathematicae Universitatis Carolinae

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Let $Y \subset l_{\infty}^{(n)}$ be a hyperplane and let $A \in ℒ (Y)$ be given. Denote $\begin{matrix} 𝒜 = & {L \in ℒ (l_{\infty}^{(n)}, Y) : L ∣ Y = A} and & λ_{A} = inf {∥ L ∥ : L \in 𝒜} . \end{matrix}$ In this paper the problem of calculating of the constant $λ_{A}$ is studied. We present a complete characterization of those $A \in ℒ (Y)$ for which $λ_{A} = ∥ A ∥$ . Next we consider the case $λ_{A} > ∥ A ∥$ . Finally some computer examples will be presented.

Some type of rotational scheme.

Faried, Nashat, Abd El-Kader, Zeinab (2002)

International Journal of Mathematics and Mathematical Sciences

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On Pečarić-Rajić-Dragomir-type inequalities in normed linear spaces.

Changjian, Zhao, Chen, Chur-Jen, Cheung, Wing-Sum (2009)

Journal of Inequalities and Applications [electronic only]

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On existence of equilibrium pair for constrained generalized games.

Srinivasan, P.S., Veeramani, P. (2004)

Fixed Point Theory and Applications [electronic only]

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On the frame of the unit ball of Banach spaces

Ryotaro Tanaka (2014)

Open Mathematics

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The notion of the frame of the unit ball of Banach spaces was introduced to construct a new calculation method for the Dunkl-Williams constant. In this paper, we characterize the frame of the unit ball by using k-extreme points and extreme points of the unit ball of two-dimensional subspaces. Furthermore, we show that the frame of the unit ball is always closed, and is connected if the dimension of the space is not less than three. As infinite dimensional examples, the frame of the unit...

On projection constant problems and the existence of metric projections in normed spaces.

El-Shobaky, Entisarat, Ali, Sahar Mohammed, Takahashi, Wataru (2001)

Abstract and Applied Analysis

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