Masoud Hajarian ᵃ, Lower Bounds for the Product of the Eigenvalues of the Solutions to tihe Matrix Equations, Filomat, Vol. 29, No. 6 (2015), pp. 1179-1182 ...

This paper gives sharp bounds on the eigenvalues of a natural random walk on the group of upper triangular n × n matrices over the field of characteristic p, an odd prime, with 1's on the diagonal. In ...