List questions from normed-spaces

Published on 15 Apr 2026 - 4:07

2k

Views

Is all normed space also inner product space?

Published on 14 Apr 2026 - 18:07

91

Views

Where does the Term "Polarization Identity" come from?

Published on 14 Apr 2026 - 10:16

96

Views

Equivalence of norms and the inner product in $C([-1,1])$

Published on 14 Apr 2026 - 12:57

411

Views

Infinite dimensional vector space of polynomials two norms equivalent?

Published on 15 Apr 2026 - 11:26

2.9k

Views

Normed vector spaces over finite fields

Published on 13 Apr 2026 - 15:35

5.4k

Views

Differentiation of the euclidean norm of $\Vert Ax+b\Vert^{2}$

Published on 13 Apr 2026 - 14:21

230

Views

Show $x^p + px^{p-1}y \; \le \; [x + y ]^p \; \le \; x^p + p[x + y]^{p-1}y$

Published on 16 Apr 2026 - 8:12

639

Views

Is it possible to have a norm in a vector space and a vector whose norm is smaller than the absolute value of one of its coordinates?

Published on 13 Apr 2026 - 13:24

128

Views

$X$ Banach space , $T \in B(X , l^ {\infty})$ be surjective , there is a bounded sequence $\{x_n\}$ in $X$ such that $T(x_n)=e_n$?

Published on 16 Apr 2026 - 18:22

71

Views

Non isometric normed spaces with the same number of extreme points

Published on 11 Apr 2026 - 21:02

1.7k

Views

Sketch the unit ball $B(0, 1)$ in $\mathbb{R}^2$ equipped with the norm $||(x,y)||=\sqrt{2x^2+3y^2}$

Published on 16 Apr 2026 - 21:16

62

Views

Computing norm for linear functional

Published on 08 Apr 2026 - 20:48

304

Views

Existence of area for a norm sphere

Published on 11 Apr 2026 - 2:43

302

Views

Prove the (open) ball $B_r(a)$ is a subset of $(a-r,a+r)^n$

Published on 15 Apr 2026 - 19:05

List Question

Sequence space norms

Is all normed space also inner product space?

Where does the Term "Polarization Identity" come from?

Equivalence of norms and the inner product in $C([-1,1])$

Infinite dimensional vector space of polynomials two norms equivalent?

Normed vector spaces over finite fields

Differentiation of the euclidean norm of $\Vert Ax+b\Vert^{2}$

Show $x^p + px^{p-1}y \; \le \; [x + y ]^p \; \le \; x^p + p[x + y]^{p-1}y$

Is it possible to have a norm in a vector space and a vector whose norm is smaller than the absolute value of one of its coordinates?

$X$ Banach space , $T \in B(X , l^ {\infty})$ be surjective , there is a bounded sequence $\{x_n\}$ in $X$ such that $T(x_n)=e_n$?

Non isometric normed spaces with the same number of extreme points

Sketch the unit ball $B(0, 1)$ in $\mathbb{R}^2$ equipped with the norm $||(x,y)||=\sqrt{2x^2+3y^2}$

Computing norm for linear functional

Existence of area for a norm sphere

Prove the (open) ball $B_r(a)$ is a subset of $(a-r,a+r)^n$

Trending Questions

Popular # Hahtags

Popular Questions