Invertible matrices with integer entries has to be permutation matrices
39353
Matrices that can only be permutation matrices
17268
Cycles in permutations of a given size
8627
Number of equivalence classes of $w \times h$ matrices under switching rows and columns
33559
Product or sum of invertible matrix give an invertible matrix?
124149
Inverse of matrix with nonnegative entries
97781
invertible matrices connected or not
124942
Prove that an upper triangular matrix is invertible if and only if every diagonal entry is non-zero.
98631
Postive-semidefiniteness of matrix with entries $1/(a_i+a_j)$
125889
Determinant of rank-one perturbations of (invertible) matrices
153721
Conjugating a permutation
97908
Finding the no. of possible matrices given the order and limited no. of entries
87451
Construction of matrices under ZFC axioms
18585
Showing $A-I$ is invertible, when $A$ is a skew-symmetric matrix
126990
Invertible matrix and inverse matrix
35015
Why must the determinant of a matrix with with integer entries be an integer?
85845
Matrix with zeros on diagonal and ones in other places is invertible
63475
Is there any connection between a matrix being invertible and being diagonalizable?