Are most matrices invertible?
122801
Probability of having zero determinant
125021
Inverse of an invertible upper triangular matrix of order 3
142307
Counting invertible $0$-$1$ matrices that remain invertible under negating the diagonal
150387
Questions about matrix rank, trace, and invertibility
75276
Probability that a random binary matrix is invertible?
135316
A basic question on diagonalizability of a matrix
30456
The number of $2 × 2$ invertible matrices with entries from field $\mathbb{Z}_p$
64644
An $r\times r$ submatrix of independent rows and independent columns is invertible (Michael Artin's book).
124734
If $A^3=O$ is the matrice $A^2-A+I$ invertible?
39334
Non-degenerate bilinear forms and invertible matrices
27865
What is the number of invertible $n\times n$ matrices in $\operatorname{GL}_n(F)$?
65305
Minimal polynomial for an invertible matrix and its determinant
58339
The diagonalizable matrices are not dense in the square real matrices
124942
Prove that an upper triangular matrix is invertible if and only if every diagonal entry is non-zero.
71631
About idempotent and invertible matrix
68238
Diagonalisable or not?
25229
Can any set of $n$ relatively prime elements be extended to an invertible matrix?