Is every norm in a dual space a dual norm of some norm?
115350
An example of a Banach space isomorphic but not isometric to a dual Banach space
38761
Is the $ L^{p}$$[0,1]$ norm continuous in p?
125623
Subspaces of separable normed spaces
109632
Show reflexive normed vector space is a Banach space
70415
Comparison between the $\ell_1$ and $\ell_2$ norms
66084
Prove 1-Norm is a Norm
144656
Linear functional and a bounded norm
51177
When are two norms equivalent on a Banach space?
17336
Least norm in convex set in Banach space
81112
Proving that the dual of the $\mathcal{l}_p$ norm is the $\mathcal{l}_q$ norm.
128266
Dual Spaces and Natural maps
150572
Explicit norm on $\mathcal{C}^0(\mathbb{R},\mathbb{R})$
128866
Isomorphism between dual space and bilinear forms
139272
On the norm of a quotient of a Banach space.
30488
Convergence of a sequence implies convergence of the norm of the sequence
143517
Isomorphisms Between a Finite-Dimensional Vector Space and its Dual
63104
Dual cone of $K = \{(x,t) \mid \| \boldsymbol{x} \|_1 \le t \}$