What is the adjoint of an inverse matrix?
122434
Adjoint of a matrix and inverse of a matrix
109217
Invertibility of the Product of Two Matrices
150387
Questions about matrix rank, trace, and invertibility
2439
If a linear operator has an adjoint operator, it is bounded
145768
The inverse of a matrix in which the sum of each row is $1$
67990
Commutativity of matrix and its transpose
61593
Adjoint map is Lie homomorphism
51406
Determinant of a block matrix times the determinant of the inverse of a block
42941
Pair of adjoint functors and showing that two certain maps are inverses
116136
Proof that the inverse of a square matrix is unique
76297
What is the inverse of the $\mbox{vec}$ operator?
149292
Inverse of a diagonal matrix plus a constant
54099
What are the eigenvalues of $\operatorname{ad}x$?
133449
A proof that an orthogonal matrix with a determinant 1 is a rotation matrix
98317
What is the geometric relationship between the covariance matrix and the inverse of the covariance matrix?
111769
Why is inverse of orthogonal matrix is its transpose?
137209
Finding the Matrix of a Linear Operator Satisfying a Polynomial