Remarks on BMV conjecture
arXiv:0804.3948
Abstract
We show that for fixed , hermitian nonnegative definite matrices, and fixed the coefficients of the in the polynomial $\tr (A+tB)^m$ is positive if $\tr AB >0$ and .
6 pages
arXiv:0804.3948
We show that for fixed , hermitian nonnegative definite matrices, and fixed the coefficients of the in the polynomial $\tr (A+tB)^m$ is positive if $\tr AB >0$ and .
6 pages