On the spectral structure of Jordan-Kronecker products of symmetric and skew-symmetric matrices

Nargiz Kalantarova, Levent Tunçel

Motivated by the conjectures formulated in 2003 by Tunçel et al., we study interlacing properties of the eigenvalues of $A\otimes B+B\otimes A$ for pairs of $n$-by-$n$ matrices $…