Is every Banach space isometrically isomorphic to the dual of a normed space?
126744
Is any Banach space a dual space?
65333
Weighted projective space and projective space are isomorphic
82334
For $f$ in dual space, there exists $x$ with norm 1 and $f(x)=\|f\|$ if space is reflexive (and nontrivial)
115999
Is there always an injective map from a space in its dual space?
128866
Isomorphism between dual space and bilinear forms
124959
Does weak compactness imply boundedness in a normed vector space (not necessarily complete)?
46326
The space $C[a,b]$ with $\|f\|:=\int_a^b |f(x)|d(x)$ is a normed space but not a Banach space
117476
Isometries between dual factor space and annihilator
99382
What is needed to make Euclidean spaces isomorphic as groups?
87655
Consequence of the Hahn-Banach Theorem
137067
For Banach space there is a compact topological space so that the Banach space is isometrically isomorphic with a closed subspace of $C(X)$.
104302
Proving Geometric Hahn-Banach Implies Analytic Hahn-Banach
19415
Proof that every finite dimensional normed vector space is complete
57609
Hahn-Banach proof by extension of basis
108781
$A$ and $B$ are bounded linear operators from the normed linear space $X$ to itself. If $AB$ is invertible are $A$ and $B$ invertible?
8314
I am trying to find a Banach Space X and a singular operator (Infinite Dimensional Space)
53850
Proof that every normed vector space is a topological vector space