Dimension of the space of all $m\times n$ matrices over $F$
53364
dim$(V)$ = $n$, dim$(W)$ = $m$ $\implies$ dim($L(V,W)$) = $nm$
141674
Given $n$ linear functionals $f_k(x_1,\dotsc,x_n) = \sum_{j=1}^n (k-j)x_j$, what is the dimension of the subspace they annihilate?
103136
Geometric intuition of the dimension of Grassmannians and flag manfolds
74764
Dimension for a closed subspace of $C[0,1]$.
102935
Trace and determinant of composition of a left-multiplication and a right-multiplication on a space of matrices
41611
Open and closed set in n by n matrices space.
75614
Proving that $n|m\implies f_n|f_m$
63036
Proving that $\dim(\mathrm{span}({I_n,A,A^2,...})) \leq n$
114916
$\mathbb Z_{mn}$ isomorphic to $\mathbb Z_m\times\mathbb Z_n$ whenever $m$ and $n$ are coprime
137093
What is the codimension of matrices of rank $r$ as a manifold?
107520
Krull dimension of $\mathbb{C}[x_1, x_2, x_3, x_4]/\left$
105996
Topology of matrices
120035
Pattern in Isomorphisms between $\mathbb Z_m \times \mathbb Z_n$ and $\mathbb Z_{mn}$
17748
Is there a quick proof as to why the vector space of $\mathbb{R}$ over $\mathbb{Q}$ is infinite-dimensional?
32064
Zero-dimensional matrices
134162
What is a basis for the space of $n\times n$ Hermitian matrices?
107000
Dimension of intersection of distinct subspaces