Why can't we define linear mapping over vector spaces over two different fields?
117986
Are there linear transformations from vector spaces over different fields?
2762
Mapping of zero vector under a linear transformation
90691
Linear independence of vectors over larger fields
7010
Example of two non-isomorphic fields which embed inside each other
127304
Understanding the algebra of polynomials on a linear space
78344
Nonconstant linear functional on a topological vector space is an open mapping
69206
A finite-dimensional vector space cannot be covered by finitely many proper subspaces?
25793
Extension fields isomorphic to fields of matrices
44710
Vector space of real vectors over field complex scalars.
93923
No surjective bounded linear map from $\ell^2(\mathbf{N})$ to $\ell^1(\mathbf{N})$
125172
Why can't I define both implicit and explicit operators?
99350
Are two norms equivalent if they induce the same topology on a vector space?
77036
Normed vector spaces over finite fields
110654
Vector Spaces and AC
115129
Constructing an explicit isomorphism between finite extensions of finite fields
106670
Existence of vector space complement and axiom of choice
74675
Why is there no natural isomorphism between $V$ and its dual?