I PRIKLADNAYA MATEMATIKA
(FUNDAMENTAL AND APPLIED MATHEMATICS)
2013, VOLUME 18, NUMBER 3, PAGES 27-42
The group of fractions of the semigroup of invertible nonnegative
matrices of order three over a field
E. I. Bunina
V. V. Nemiro
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a linearly ordered field.
Consider , which is
the subsemigroup of
consisting of all matrices with nonnegative coefficients.
In 1940, A. I. Maltsev introduced the concept of the group
of fractions for a semigroup.
In the given paper, we prove that the group of fractions of
Last modified: March 4, 2014