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JOURNALS // Matematicheskie Zametki // Archive

Mat. Zametki, 2019 Volume 105, Issue 6, Pages 807–815 (Mi mzm11929)

This article is cited in 6 papers

A New Proof of the Protasov–Voynov Theorem on Semigroups of Nonnegative Matrices

Yu. A. Alpina, V. S. Al'pinab

a Kazan (Volga Region) Federal University
b Kazan National Research Technological University

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.

UDC: 512.6

Received: 16.01.2018
Revised: 17.05.2018

DOI: 10.4213/mzm11929


 English version:
Mathematical Notes, 2019, 105:6, 805–811

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© Steklov Math. Inst. of RAS, 2025