FUNDAMENTALNAYA I PRIKLADNAYA MATEMATIKA

(FUNDAMENTAL AND APPLIED MATHEMATICS)

2008, VOLUME 14, NUMBER 2, PAGES 69-100

Automorphisms of the semigroup of invertible matrices with nonnegative elements over commutative partially ordered rings

E. I. Bunina
P. P. Semenov

Abstract

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We describe automorphisms of the semigroup $G$_n(R) of invertible matrices with nonnegative coefficients in the case where $R$ is a commutative partially ordered ring containing $$Q and $n$³ 3.

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Last modified: December 18, 2008