New posts in Norm

Normed vector space inequality $|\|x\|^2 - \|y\|^2| \le \|x-y\|\|x+y\|$

Finding the norm of the shift operator on $l^\infty$, $(x_1,x_2, \dots)\mapsto (x_2,x_3,\dots)$

Prove that $A+I_n$ is invertible, where $\left\lVert A\right\rVert<1$

Finding an $x \in \mathbb R$ so that $\|I - x A\|_2$ becomes minimal

Subordinate matrix norm of 1-norm

Prove that this is a norm

Relation between Frobenius norm and trace

Why is the Operator Norm so hard to calculate?

If the entries of a positive semidefinite matrix shrink individually, will the operator norm always decrease?

Intuitive explanation of $L^2$-norm