Why is the dual space called like that?
135812
Origin of the term dual space?
129020
Problem with the Definition of Inner Product Space.
128866
Isomorphism between dual space and bilinear forms
131993
Prove that vector space and dual space have same dimension
121100
Rootspaces are $\mathop{ad}$ nilpotent
82334
For $f$ in dual space, there exists $x$ with norm 1 and $f(x)=\|f\|$ if space is reflexive (and nontrivial)
664
Minkowski's complex Euclidean space vs. the real pseudo-Euclidean version
23399
Nature of spacetime 4-vector and tangent space?
124042
Why is a vector space equal to its tangent space for any point?
154762
Dual space of a finite dimensional normed space
66866
Algebraic dual of $\mathbb{R}^{\mathbb{N}}$
48544
Why is cross product defined in the way that it is?
115999
Is there always an injective map from a space in its dual space?
8334
A reflexive Banach space is separable iff its dual is separable
129704
Why is the inclusion of the tensor product of the duals into the dual of the tensor product not an isomorphism?
75803
Why does the space of pure qudit states have dimension $2(D-1)$, rather than $D^2-2$?
6955
A Banach space is reflexive if and only if its dual is reflexive