![real analysis - Will the "closed" unit ball $\left\| x \right\| \le 1$ in $\Bbb R^n$ be a compact set for any norm? - Mathematics Stack Exchange real analysis - Will the "closed" unit ball $\left\| x \right\| \le 1$ in $\Bbb R^n$ be a compact set for any norm? - Mathematics Stack Exchange](https://i.stack.imgur.com/MD2uR.png)
real analysis - Will the "closed" unit ball $\left\| x \right\| \le 1$ in $\Bbb R^n$ be a compact set for any norm? - Mathematics Stack Exchange
![SOLVED: Consider the unidirectional set C[-1,1] defined by @(x) = (h(x),d(x),c(x)) for x in C[-1,1]. Show that for all x in the closed unit ball of C[-1,1], it fails to be reflexive. SOLVED: Consider the unidirectional set C[-1,1] defined by @(x) = (h(x),d(x),c(x)) for x in C[-1,1]. Show that for all x in the closed unit ball of C[-1,1], it fails to be reflexive.](https://cdn.numerade.com/ask_images/f01b5543732b405f8f70237961157c1c.jpg)
SOLVED: Consider the unidirectional set C[-1,1] defined by @(x) = (h(x),d(x),c(x)) for x in C[-1,1]. Show that for all x in the closed unit ball of C[-1,1], it fails to be reflexive.
![general topology - Quotient space of closed unit ball and the unit 2-sphere $S^2$ - Mathematics Stack Exchange general topology - Quotient space of closed unit ball and the unit 2-sphere $S^2$ - Mathematics Stack Exchange](https://i.stack.imgur.com/z06VF.png)
general topology - Quotient space of closed unit ball and the unit 2-sphere $S^2$ - Mathematics Stack Exchange
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Automatic 1 HP Hollow Ball Hole Closed Machine, Model Name/Number: TPHBM0109 at Rs 700000/unit in Agra
![PDF) On convexity, smoothness and renormings in the study of faces of the unit ball of a Banach space | Francisco J Garcia-Pacheco - Academia.edu PDF) On convexity, smoothness and renormings in the study of faces of the unit ball of a Banach space | Francisco J Garcia-Pacheco - Academia.edu](https://0.academia-photos.com/attachment_thumbnails/42396281/mini_magick20190217-7239-2mn8cm.png?1550457897)
PDF) On convexity, smoothness and renormings in the study of faces of the unit ball of a Banach space | Francisco J Garcia-Pacheco - Academia.edu
![Ball bushing unit - Linear Housing Quadro Unit - closed - VB40-808 | Ball bushing unit - Linear Housing Quadro Unit - closed - VB40-808 |Bearing units & Accessoiries | Shaft Guidance Systems | Linear Guides | Home | Dr. Tretter Ball bushing unit - Linear Housing Quadro Unit - closed - VB40-808 | Ball bushing unit - Linear Housing Quadro Unit - closed - VB40-808 |Bearing units & Accessoiries | Shaft Guidance Systems | Linear Guides | Home | Dr. Tretter](https://www.tretter.de/media/image/88/55/13/Viererbock_600x600.jpg)
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![real analysis - Show that S is non-compact and deduce further that the closed unit ball in X is non-compact. - Mathematics Stack Exchange real analysis - Show that S is non-compact and deduce further that the closed unit ball in X is non-compact. - Mathematics Stack Exchange](https://i.stack.imgur.com/BOYPV.png)
real analysis - Show that S is non-compact and deduce further that the closed unit ball in X is non-compact. - Mathematics Stack Exchange
![SOLVED: Show that the closed unit ball in a Hilbert space H is compact if and only if H is finite dimensional. HINT: The closed unit ball must contain any basis. SOLVED: Show that the closed unit ball in a Hilbert space H is compact if and only if H is finite dimensional. HINT: The closed unit ball must contain any basis.](https://cdn.numerade.com/project-universal/previews/507d7996-b134-4813-ac60-98bfcdcf3d67.gif)
SOLVED: Show that the closed unit ball in a Hilbert space H is compact if and only if H is finite dimensional. HINT: The closed unit ball must contain any basis.
![functional analysis - Can we visualize the closed balls for the space $l^{\infty}$ equipped with the $\sup$ norm - Mathematics Stack Exchange functional analysis - Can we visualize the closed balls for the space $l^{\infty}$ equipped with the $\sup$ norm - Mathematics Stack Exchange](https://i.stack.imgur.com/StSEn.jpg)
functional analysis - Can we visualize the closed balls for the space $l^{\infty}$ equipped with the $\sup$ norm - Mathematics Stack Exchange
![metric spaces - Sketch a unit ball $B(0, 1)$ in $\mathbb{R}^2$ equipped with the following norm: $||(x, y)|| =$ max{|$x$|,|$y$|} - Mathematics Stack Exchange metric spaces - Sketch a unit ball $B(0, 1)$ in $\mathbb{R}^2$ equipped with the following norm: $||(x, y)|| =$ max{|$x$|,|$y$|} - Mathematics Stack Exchange](https://i.stack.imgur.com/sIfxb.png)
metric spaces - Sketch a unit ball $B(0, 1)$ in $\mathbb{R}^2$ equipped with the following norm: $||(x, y)|| =$ max{|$x$|,|$y$|} - Mathematics Stack Exchange
![SOLVED: Let (X, d) be a metric space and let A be a nonempty subset of X. Given x ∈ X, define d(x, A) = inf d(x, a) | a ∈ A. SOLVED: Let (X, d) be a metric space and let A be a nonempty subset of X. Given x ∈ X, define d(x, A) = inf d(x, a) | a ∈ A.](https://cdn.numerade.com/ask_images/321046278a704ea3aa7d4679b0f4a341.jpg)
SOLVED: Let (X, d) be a metric space and let A be a nonempty subset of X. Given x ∈ X, define d(x, A) = inf d(x, a) | a ∈ A.
![functional analysis - Closed unit ball of $B(H)$ with wot topology is compact - Mathematics Stack Exchange functional analysis - Closed unit ball of $B(H)$ with wot topology is compact - Mathematics Stack Exchange](https://i.stack.imgur.com/n6uve.png)