Proof that frobenius norm is a norm
95116
Frobenius Norm Triangle Inequality
144656
Linear functional and a bounded norm
134939
Norm of element $\alpha$ equal to absolute norm of principal ideal $(\alpha)$
5635
How to prove that the Frobenius endomorphism is surjective?
73254
spectral radius in normed space is subadditive.
116273
Does every $\mathbb{R},\mathbb{C}$ vector space have a norm?
62425
Equivalent Definitions of the Operator Norm
44496
Norm $N$ on $\Bbb Z[\sqrt d]$ is multiplicative, $N(x)$ prime $\Rightarrow x$ irreducible
48291
Proof that $\mathrm{ker}(f^*) = \mathrm{im}(f)^{\perp} $
118996
Prove that $T$ is an orthogonal projection
22297
Normal operator $\Rightarrow$ S invariant implies $S^\perp$ invariant
57619
Norms Induced by Inner Products and the Parallelogram Law
151910
Why is $K^{\ast n}$ contained in the norm group?
138944
Is $\mathbb Z[\sqrt{-3}]$ Euclidean under some other norm?
23721
Prove that the Gaussian Integer's ring is a Euclidean domain
146026
What is the norm of this bounded linear functional?
15839
equivalent norms in Banach spaces of infinite dimension