Is the set of $n \times n$ diagonalizable matrices with real entries dense in $M_n(\mathbb R)$?
58339
The diagonalizable matrices are not dense in the square real matrices
113614
Approximating the density of $S\cap[a,b]$ using a Folner Sequence of $A$, where $S \subseteq A$?
74498
Smallest dense subset of $\mathbb{R}$
80751
diagonalisability of matrix few properties
158018
Everywhere Super Dense Subset of $\mathbb{R}$
95294
Dense subset of $C[0,1]$ which preserves rationals
70157
Is every matrix $A$ such that $A^k=I$ diagonalizable?
8557
Invertible Matrices are dense
21571
Why are real symmetric matrices diagonalizable?
79739
Block diagonal matrix diagonalizable
75215
Properties of invertible matrices
22222
Properties of zero-diagonal symmetric matrices
144082
Every $n\times n$ matrix is the sum of a diagonalizable matrix and a nilpotent matrix.
68490
For $x\in\mathbb R\setminus\mathbb Q$, the set $\{nx-\lfloor nx\rfloor: n\in \mathbb{N}\}$ is dense on $[0,1)$
128835
Compactness of the set of $n \times n$ orthogonal matrices
55230
Dimension of set of commutable matrices
158724
Show that $B$ is diagonalizable if If $AB=BA$ and $A$ has distinct real eigenvalues