The trace of a matrix is the sum of its eigenvalues
97733
Can it be determined that the sum of the diagonal entries, of matrix A, equals the sum of eigenvalues of A
3544
Eigenvectors of a circulant matrix
20659
Is trace invariant under cyclic permutation with rectangular matrices?
132913
Sum of two eigenvectors for different eigenvalues
128723
The determinant of adjugate matrix
127620
Matrix exponential of a traceless $2\times2$ complex matrix
109471
The eigenvectors of the transpose operator
33591
Product of two matrices sharing the same eigenvector
40154
Finding the dimension of real symmetric matrices with trace zero
66241
What can the eigenvalues of unitary matrices tell us?
115467
Eigenvalues of Householder matrix
29583
Characterization of the trace function
114250
If $V_0$ is the subspace of matrices of the form $C=AB-BA$ for some $A,B$ in a vector space $V$ then $V_0=\{A\in V|\operatorname{Trace} (A)=0\}$
141628
How did the equation $|A- \lambda I| = 0$ came for finding Eigen values of a Matrix
19649
A question about the proof of "a symmetric matrix has real eigenvalues".
51967
Prove that if the sum of each row of $A$ equals $s$, then $s$ is an eigenvalue of $A$.
53032
Trace minimization when some matrix is unknown