Why is the determinant of the all one matrix minus the identity matrix n-1?
58921
How to calculate the determinant of all-ones matrix minus the identity?
110825
Determinant of circulant matrix
54740
Proofs of Determinants of Block matrices
79031
Determinant of the Kronecker Product of Two Matrices
74341
Proving an invertible matrix which is its own inverse has determinant $1$ or $-1$
517
Determinant of a specially structured matrix ($a$'s on the diagonal, all other entries equal to $b$)
125348
Does $\det(A + B) = \det(A) + \det(B)$ hold?
133449
A proof that an orthogonal matrix with a determinant 1 is a rotation matrix
109312
How is the matrix identity $\det\begin{pmatrix}A&B\\B&A\end{pmatrix}=\det(A+B)\det(A-B)$ proved?
4443
Why is the determinant zero iff the column vectors are linearly dependent?
20331
Determinant of a $2\times 2$ block matrix
119076
General expression for determinant of a block-diagonal matrix
24873
Determinant of elementary permutation matrix
69980
Proving that if $A$ is an $n\times n$ orthogonal matrix, then $\det(A) = \pm1$
71231
Determinant of circulant-like matrix
52621
Why is $\det(A - \lambda I)$ zero?
150715
Prove that the determinant of skew-symmetric matrices of odd order is zero