List questions from normed-spaces | MathQA

Is it reasonable to assume there is a function $f:R^2 \to [0,1]^2$ associated with the unit circle that represents Euclidean distance from the centre?

Published on 04 Aug 2019 - 14:55

Multiplicative norm on $\mathbb{C}$ inducing euclidean norm on $\mathbb{R}$

Published on 05 Aug 2019 - 16:06

Largest set of equidistant points in $\mathbb{R}^n$ under non-Euclidean norms

Published on 05 Aug 2019 - 18:18

Finding constant for lower bound of operator norm

Published on 07 Aug 2019 - 2:10

The $|\cdot|_{p}$ norm will become the maximum norm when $p \to \infty$

Published on 07 Aug 2019 - 4:29

Is $(\sum_{i=1}^m (x _ {i})^{n})^{n+1} \le (\sum_{i=1}^m (x_{i})^{n+1})^{n}$ true for sufficiently large $n$

Published on 07 Aug 2019 - 9:22

What is the meaning of $\|\cdot\|$

Published on 08 Aug 2019 - 1:06

Regarding proving a result in Functional analysis

Published on 08 Aug 2019 - 3:17

Strict/Strong convexity of non-Euclidean norm

Published on 08 Aug 2019 - 19:29

Proving that something is a multiplicative norm

Published on 08 Aug 2019 - 20:06

Problem II.3.7: $c_0$ is a closed subspace of $\ell_\infty$

Published on 08 Aug 2019 - 23:35

Regarding proving a result in Banach space

Published on 29 Mar 2026 - 18:30

Compute norm of vector using optimization over inner product

Published on 09 Aug 2019 - 9:11

$\|A+B\|=\|A\|+\|B\|$ implies $\|A+3B\|=\|A\|+\|3B\|$

Published on 09 Aug 2019 - 22:27

Show that for $0<||A||<\epsilon$ we have $||e^{A}-I||>0$

Published on 26 Mar 2026 - 7:33