11 citations · 13 across the 3 of their papers we have counts for
3 papers
math.RA2024
Polynomials that preserve nonnegative monomial matrices
Benjamin J. Clark, Pietro Paparella
A recently-established necessary condition for polynomials that preserve the class of entrywise nonnegative matrices of a fixed order is shown to be necessary and sufficient for th…
math.RA2014★ 11 cited
Matrix roots of imprimitive irreducible nonnegative matrices
Judith J. McDonald, Pietro Paparella
Using matrix function theory, Perron-Frobenius theory, combinatorial matrix theory, and elementary number theory, we characterize, classify, and describe in terms of the Jordan can…
math.RA2014★ 2 cited
Jordan chains of -cyclic matrices
Judith J. McDonald, Pietro Paparella
Arising from the classification of the matrix-roots of a nonnegative imprimitive irreducible matrix, we present results concerning the Jordan chains of an -cyclic matrix. We als…