Abstract:
A new combinatorial proof of the Protasov–Voynov theorem on the structure of irreducible semigroups of nonnegative matrices is proposed. The original proof was obtained by geometric methods.
Keywords:
irreducible nonnegative matrix, Frobenius form, semigroup of nonnegative matrices.
Citation:
Yu. A. Alpin, V. S. Al'pina, “A New Proof of the Protasov–Voynov Theorem on Semigroups of Nonnegative Matrices”, Mat. Zametki, 105:6 (2019), 807–815; Math. Notes, 105:6 (2019), 805–811