Geometric interpretation of the dual cone of $l^1$ is $l^\infty$?
63104
Dual cone of $K = \{(x,t) \mid \| \boldsymbol{x} \|_1 \le t \}$
14840
$c_0$ is a closed subspace of $l^{\infty}$
157455
Show that the norm of the multiplication operator $M_f$ on $L^2[0,1]$ is $\|f\|_\infty$
105997
Geometric interpretation of $\frac {\partial^2} {\partial x \partial y} f(x,y)$
84686
Geometric Description Of a Set In The Complex Plane
34918
Difference between $R^\infty$ and $R^\omega$
67244
Why is $L^1(\mathbb{R}^n) \cap L^2(\mathbb{R}^n)$ dense in $ L^2(\mathbb{R}^n)$?
4374
Geometric interpretation of a vector space and subspace?
115999
Is there always an injective map from a space in its dual space?
118272
Show that $L^1$ is strictly contained in $(L^\infty)^*$
149550
Why is a convolution of an $L^1$ and an $L^p$ functions well-defined?
108664
Sufficient and necessary conditions to get an infinite fiber $g^{-1}(w)$
120623
Unit sphere in $\mathbb{R}^\infty$ is contractible?
11109
The ideal generated by a non-compact operator
135980
Geometric interpretation of a complex set
96363
How to show that $\mathbb R^n$ with the $1$-norm is not isometric to $\mathbb R^n$ with the infinity norm for $n>2$?
64454
$L^2([0,1])$ is a set of first category in $L^1([0,1])$?