Can We Always Realize the Value of the Quotient Norm.
139272
On the norm of a quotient of a Banach space.
105913
Calculations in quotient rings
25017
Why is every $p$-norm convex?
116880
Is ideal norm multiplicative in arbitrary order of number field?
89555
Inequality for the p norm of a convolution
143869
Showing that the norm of the canonical projection $X\to X/M$ is $1$
89264
Connectedness in the Quotient Space
66084
Prove 1-Norm is a Norm
78654
An example of a norm which can't be generated by an inner product
158706
How convergence relates to equivalence of norms
144656
Linear functional and a bounded norm
146026
What is the norm of this bounded linear functional?
75141
Quotient-Remainder Theorem Proving
50160
The quotient norm on $\ell^{\infty}(\mathbb{N}) / c_0 (\mathbb{N})$ is given by $\limsup_{n \in \mathbb{N}} |x_n|$.
55067
Norm of self-adjoint operator
18195
Understanding of the theorem that all norms are equivalent in finite dimensional vector spaces
149664
Norm is sup of inner products (proof).