Invertible matrices are dense in $M_{n}({\mathbb R} )$
8557
Invertible Matrices are dense
102299
Bijection between $\mathbb{R}^n$ and $\mathbb{R}^m$
80559
In $C[0,1]$ prove that the subset of Lipschitz functions is dense
158018
Everywhere Super Dense Subset of $\mathbb{R}$
58339
The diagonalizable matrices are not dense in the square real matrices
25488
Let $A,B$ be $m\times m$ matrices such that $AB$ is invertible. Show $A,B$ invertible.
31990
Is $\{\frac{m}{10^n}\mid m,n\in\mathbb Z,\ n\geq 0\}$ dense in $\mathbb R$?
6523
Prove that the space has a countable dense subset
25795
Density of $\mathbb{Q}^n$ in $\mathbb{R}^n$
75215
Properties of invertible matrices
121831
Proving that rational numbers are dense
137081
Is the set of real matrices diagonalizable in $\mathcal M_n(C)$ dense in the set of all companion matrices?
23372
Show that for an invertible matrix, the images of a set of vectors spanning the space also form a spanning set
157565
Is every dense subspace of a separable space separable?
69542
Why do the $n \times n$ non-singular matrices form an "open" set?
92571
Sets with no asymptotical density over $\mathbb N$
25229
Can any set of $n$ relatively prime elements be extended to an invertible matrix?