Perturbing non-real eigenvalues of nonnegative real matrices.
On a question of Hills concerning co-transposers
A refinement of an inequality of Johnson, Loewy and London on nonnegative matrices and some applications.
On a classic example in the nonnegative inverse eigenvalue problem.
Proceedings of the 2004 workshop on nonnegative matrices, Maynooth, Ireland, July 11--14, 2004.
The Number of Solutions of x3 = 1 in a 3-Group.
Commutative subrings of periodic rings.
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